#253D6E#253D6E

#253D6E is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.7% C 0.090 H 263.0°. Best body text is #FFFFFF at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#253D6E
RGB	rgb(37, 61, 110)
HSL	hsl(220, 50%, 29%)
HSV	hsv(220, 66%, 43%)
CMYK	cmyk(66.4%, 44.5%, 0%, 56.9%)
CIE-LAB	lab(26.32, 7.94, -31.26)
CIE-LCH	lch(26.32, 32.25, 284.26°)
OKLab	oklab(36.74% -0.0109 -0.0891)
OKLCH	oklch(36.74% 0.09 263)
XYZ	xyz(5.2452, 4.8561, 15.4097)
Luminance	0.0486 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D6E #6E5625

analogous

#25626E #253D6E #32256E

triadic

#253D6E #6E253D #3D6E25

tetradic

#253D6E #6E2562 #6E5625 #256E32

square

#253D6E #6E2562 #6E5625 #256E32

split-complementary

#253D6E #6E3225 #626E25

monochromatic

#080D17 #162440 #253D6E #34569C #4B72C2

Accessibility & contrast

On white

10.65

#253D6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#253D6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D6E

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D6E	#FFFFFF	#000000	##FFFFFF
##253D6E	1.00	10.65	1.97	10.65
#FFFFFF	10.65	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274270

Deuteranopia (green-blind)

#1C3B6D

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253d6e;
/* rgb */ color: rgb(37, 61, 110);
/* oklch */ color: oklch(36.7% 0.090 263.0);

Tailwind

colors: {
  custom: {
    50: '#687298',
    500: '#253d6e',
    950: '#000000',
  },
}

SCSS

$custom: #253d6e;
$custom-light: #687298;
$custom-dark: #000000;

JSON

{
  "hex": "#253d6e",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 110
  },
  "hsl": {
    "h": 220.274,
    "s": 49.66,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36744,
    "c": 0.08975,
    "h": 263
  },
  "luminance": 0.04857
}

Semantic roles & 50–950 ramp

primary

#253D6E

secondary

#A1864E

accent

#AC4FD9

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #253D6E

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

Preview Lab → · Contrast checker → · Palette generator →