#253a8d

Color #253a8d

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 8.19 Nearest Tailwind class blue-900 #1c398e · ΔE 0.9

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

Conversions

HEX

#253a8d

RGB

rgb(37, 58, 141)

HSL

hsl(227.9, 58.4%, 34.9%)

HSV / HSB

hsv(227.9, 73.8%, 55.3%)

CMYK

cmyk(73.8%, 58.9%, 0%, 44.7%)

LAB

lab(27.69, 22.09, -48.52)

LCH

lch(27.69, 53.31, 294.48)

OKLCH

oklch(38.5%, 0.14, 268.24)

HWB

hwb(227.9, 14.5%, 44.7%)

Harmony colors

Complementary

#8d7825

Analogous

#256e8d

#253a8d

#44258d

Triadic

#253a8d

#8d253a

#3a8d25

Split-complementary

#253a8d

#8d4425

#6e8d25

Tetradic

#253a8d

#78258d

#8d7825

#3a8d25

Square

#253a8d

#8d256e

#8d7825

#258d44

Shades

Color #253a8d mixed toward black.

#1f3075

#19275e

#131d46

#0c132f

#060a17

Tints

Color #253a8d mixed toward white.

#314cb9

#506ad1

#7c8fdc

#a7b4e8

#d3daf3

Tones

Color #253a8d mixed toward gray.

#2e3f84

#36447c

#3f4973

#484f6a

#505462

Accessibility

Aa White text on this color

10.15:1

Aa Black text on this color

2.07:1

White text reads better on this background (10.15:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2f307f · ΔE 4.3

Deuteranopia

#2e2c7b · ΔE 5.5

Tritanopia

#26726f · ΔE 32.5

Achromatopsia

#414141 · ΔE 24.5

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

Code

CSS

background-color: #253a8d;

Tailwind (arbitrary value)

bg-[#253a8d]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#253a8d (#253a8d) is rgb(37, 58, 141) in RGB.

No, #253a8d 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.

Try it → Accessibility

Contrast Checker

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

Try it → Generators

Palette Generator

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

Try it →

Build something with this color

Generate a full palette from #253a8d, or check how it holds up for accessibility.

Generate a palette → Check contrast