#253D69#253D69

#253D69 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.4% C 0.082 H 261.6°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#253D69
RGB	rgb(37, 61, 105)
HSL	hsl(219, 48%, 28%)
HSV	hsv(219, 65%, 41%)
CMYK	cmyk(64.8%, 41.9%, 0%, 58.8%)
CIE-LAB	lab(26.01, 6.02, -28.55)
CIE-LCH	lch(26.01, 29.18, 281.91°)
OKLab	oklab(36.4% -0.012 -0.0811)
OKLCH	oklch(36.4% 0.082 261.6)
XYZ	xyz(4.9806, 4.7503, 14.0163)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D69 #695125

analogous

#255F69 #253D69 #2F2569

triadic

#253D69 #69253D #3D6925

tetradic

#253D69 #69255F #695125 #25692F

square

#253D69 #69255F #695125 #25692F

split-complementary

#253D69 #692F25 #5F6925

monochromatic

#080D17 #15233C #253D69 #355796 #4973BF

Accessibility & contrast

On white

10.77

#253D69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#253D69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D69

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D69	#FFFFFF	#000000	##FFFFFF
##253D69	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A416B

Deuteranopia (green-blind)

#203B68

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253d69;
/* rgb */ color: rgb(37, 61, 105);
/* oklch */ color: oklch(36.4% 0.082 261.6);

Tailwind

colors: {
  custom: {
    50: '#677294',
    500: '#253d69',
    950: '#000000',
  },
}

SCSS

$custom: #253d69;
$custom-light: #677294;
$custom-dark: #000000;

JSON

{
  "hex": "#253d69",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 105
  },
  "hsl": {
    "h": 218.824,
    "s": 47.887,
    "l": 27.843
  },
  "oklch": {
    "l": 0.36404,
    "c": 0.08203,
    "h": 261.6
  },
  "luminance": 0.04751
}

Semantic roles & 50–950 ramp

primary

#253D69

secondary

#9C804E

accent

#A850D7

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #253D69

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

Preview Lab → · Contrast checker → · Palette generator →