#258d8e

Color #258d8e

A moderately saturated dark cyan.

Closest named color Dark Cyan #008b8b · ΔE 3.02 Nearest Tailwind class teal-600 #009689 · ΔE 6.4

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#258d8e

RGB

rgb(37, 141, 142)

HSL

hsl(180.6, 58.7%, 35.1%)

HSV / HSB

hsv(180.6, 73.9%, 55.7%)

CMYK

cmyk(73.9%, 0.7%, 0%, 44.3%)

LAB

lab(53.38, -27.84, -8.94)

LCH

lch(53.38, 29.24, 197.8)

OKLCH

oklch(58.8%, 0.0905, 195.91)

HWB

hwb(180.6, 14.5%, 44.3%)

Harmony colors

Complementary

#8e2625

Analogous

#258e5b

#258d8e

#25588e

Triadic

#258d8e

#8e258d

#8d8e25

Split-complementary

#258d8e

#8e2558

#8e5b25

Tetradic

#258d8e

#26258e

#8e2625

#8d8e25

Square

#258d8e

#5b258e

#8e2625

#588e25

Shades

Color #258d8e mixed toward black.

#1f7576

#195e5f

#124647

#0c2f2f

#061718

Tints

Color #258d8e mixed toward white.

#30b8ba

#50d0d1

#7cdcdd

#a7e8e8

#d3f3f4

Tones

Color #258d8e mixed toward gray.

#2e8485

#367c7d

#3f7374

#486b6b

#516262

Accessibility

Aa White text on this color

3.98:1

Aa Black text on this color

5.28:1

Black text reads better on this background (5.28:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#63648e · ΔE 28.9

Deuteranopia

#5e568e · ΔE 32.7

Tritanopia

#318e8e · ΔE 0.9

Achromatopsia

#7f7f7f · ΔE 21.2

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #258d8e;

Tailwind (arbitrary value)

bg-[#258d8e]

Related colors

Dark Turquoise #00ced1

Aqua #00ffff

Azure #f0ffff

Dark Cyan #008b8b

Dark Slate Gray #2f4f4f

Light Cyan #e0ffff

Frequently asked questions

#258d8e (#258d8e) is rgb(37, 141, 142) in RGB.

No, #258d8e is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #258d8e, or check how it holds up for accessibility.

Generate a palette → Check contrast