#253E66#253E66

#253E66 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.5% C 0.076 H 259.4°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#253E66
RGB	rgb(37, 62, 102)
HSL	hsl(217, 47%, 27%)
HSV	hsv(217, 64%, 40%)
CMYK	cmyk(63.7%, 39.2%, 0%, 60%)
CIE-LAB	lab(26.15, 4.20, -26.40)
CIE-LCH	lch(26.15, 26.74, 279.03°)
OKLab	oklab(36.45% -0.014 -0.0748)
OKLCH	oklch(36.45% 0.076 259.4)
XYZ	xyz(4.8830, 4.7974, 13.2365)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E66 #664D25

analogous

#255F66 #253E66 #2C2566

triadic

#253E66 #66253E #3E6625

tetradic

#253E66 #66255F #664D25 #25662C

square

#253E66 #66255F #664D25 #25662C

split-complementary

#253E66 #662C25 #5F6625

monochromatic

#080E16 #152339 #253E66 #355993 #4975BD

Accessibility & contrast

On white

10.72

#253E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#253E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E66

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E66	#FFFFFF	#000000	##FFFFFF
##253E66	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4168

Deuteranopia (green-blind)

#243B65

Tritanopia (blue-blind)

#00474D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253e66;
/* rgb */ color: rgb(37, 62, 102);
/* oklch */ color: oklch(36.5% 0.076 259.4);

Tailwind

colors: {
  custom: {
    50: '#667292',
    500: '#253e66',
    950: '#000000',
  },
}

SCSS

$custom: #253e66;
$custom-light: #667292;
$custom-dark: #000000;

JSON

{
  "hex": "#253e66",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 102
  },
  "hsl": {
    "h": 216.923,
    "s": 46.763,
    "l": 27.255
  },
  "oklch": {
    "l": 0.36454,
    "c": 0.07615,
    "h": 259.4
  },
  "luminance": 0.04798
}

Semantic roles & 50–950 ramp

primary

#253E66

secondary

#997C4E

accent

#A351D6

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #253E66

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

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