#253A6B#253A6B

#253A6B is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.089 H 264.8°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#253A6B
RGB	rgb(37, 58, 107)
HSL	hsl(222, 49%, 28%)
HSV	hsv(222, 65%, 42%)
CMYK	cmyk(65.4%, 45.8%, 0%, 58%)
CIE-LAB	lab(25.20, 8.87, -31.13)
CIE-LCH	lch(25.20, 32.36, 285.90°)
OKLab	oklab(35.82% -0.008 -0.0887)
OKLCH	oklch(35.82% 0.089 264.8)
XYZ	xyz(4.9289, 4.4805, 14.5121)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A6B #6B5625

analogous

#255D6B #253A6B #33256B

triadic

#253A6B #6B253A #3A6B25

tetradic

#253A6B #6B255D #6B5625 #256B33

square

#253A6B #6B255D #6B5625 #256B33

split-complementary

#253A6B #6B3325 #5D6B25

monochromatic

#080C17 #15213E #253A6B #355398 #4A6EC0

Accessibility & contrast

On white

11.07

#253A6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#253A6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A6B

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A6B	#FFFFFF	#000000	##FFFFFF
##253A6B	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243F6D

Deuteranopia (green-blind)

#19396A

Tritanopia (blue-blind)

#00454D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #253a6b;
/* rgb */ color: rgb(37, 58, 107);
/* oklch */ color: oklch(35.8% 0.089 264.8);

Tailwind

colors: {
  custom: {
    50: '#676f96',
    500: '#253a6b',
    950: '#000000',
  },
}

SCSS

$custom: #253a6b;
$custom-light: #676f96;
$custom-dark: #000000;

JSON

{
  "hex": "#253a6b",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 107
  },
  "hsl": {
    "h": 222,
    "s": 48.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.35819,
    "c": 0.0891,
    "h": 264.8
  },
  "luminance": 0.04481
}

Semantic roles & 50–950 ramp

primary

#253A6B

secondary

#9E864E

accent

#AF50D8

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #253A6B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →