#231e4f

Color #231e4f

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 22.07 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 1.3

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

Conversions

HEX

#231e4f

RGB

rgb(35, 30, 79)

HSL

hsl(246.1, 45%, 21.4%)

HSV / HSB

hsv(246.1, 62%, 31%)

CMYK

cmyk(55.7%, 62%, 0%, 69%)

LAB

lab(14.68, 17.79, -29.51)

LCH

lch(14.68, 34.46, 301.08)

OKLCH

oklch(27.2%, 0.0868, 283.59)

HWB

hwb(246.1, 11.8%, 69%)

Harmony colors

Complementary

#4a4f1e

Analogous

#1e324f

#231e4f

#3c1e4f

Triadic

#231e4f

#4f231e

#1e4f23

Split-complementary

#231e4f

#4f3c1e

#324f1e

Tetradic

#231e4f

#4f1e4a

#4a4f1e

#1e4f23

Square

#231e4f

#4f1e32

#4a4f1e

#1e4f3c

Shades

Color #231e4f mixed toward black.

#1d1942

#171435

#120f28

#0c0a1a

#06050d

Tints

Color #231e4f mixed toward white.

#383080

#4e43b0

#776ec8

#a49eda

#d2cfed

Tones

Color #231e4f mixed toward gray.

#26224b

#2a2647

#2d2a43

#302e3f

#33323b

Accessibility

Aa White text on this color

15.33:1

Aa Black text on this color

1.37:1

White text reads better on this background (15.33:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#212147 · ΔE 3.2

Deuteranopia

#212244 · ΔE 4.5

Tritanopia

#233f3d · ΔE 25.6

Achromatopsia

#252525 · ΔE 20.6

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

Code

CSS

background-color: #231e4f;

Tailwind (arbitrary value)

bg-[#231e4f]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#231e4f (#231e4f) is rgb(35, 30, 79) in RGB.

No, #231e4f 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 #231e4f, or check how it holds up for accessibility.

Generate a palette → Check contrast