#253E64#253E64

#253E64 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.3% C 0.073 H 258.5°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#253E64
RGB	rgb(37, 62, 100)
HSL	hsl(216, 46%, 27%)
HSV	hsv(216, 63%, 39%)
CMYK	cmyk(63%, 38%, 0%, 60.8%)
CIE-LAB	lab(26.03, 3.44, -25.30)
CIE-LCH	lch(26.03, 25.53, 277.74°)
OKLab	oklab(36.33% -0.0145 -0.0716)
OKLCH	oklch(36.33% 0.073 258.5)
XYZ	xyz(4.7850, 4.7582, 12.7204)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E64 #644B25

analogous

#255E64 #253E64 #2C2564

triadic

#253E64 #64253E #3E6425

tetradic

#253E64 #64255E #644B25 #25642C

square

#253E64 #64255E #644B25 #25642C

split-complementary

#253E64 #642C25 #5E6425

monochromatic

#080E16 #142237 #253E64 #365A91 #4876BB

Accessibility & contrast

On white

10.76

#253E64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#253E64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E64

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E64	#FFFFFF	#000000	##FFFFFF
##253E64	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4166

Deuteranopia (green-blind)

#263B63

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253e64;
/* rgb */ color: rgb(37, 62, 100);
/* oklch */ color: oklch(36.3% 0.073 258.5);

Tailwind

colors: {
  custom: {
    50: '#667390',
    500: '#253e64',
    950: '#000000',
  },
}

SCSS

$custom: #253e64;
$custom-light: #667390;
$custom-dark: #000000;

JSON

{
  "hex": "#253e64",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 100
  },
  "hsl": {
    "h": 216.19,
    "s": 45.985,
    "l": 26.863
  },
  "oklch": {
    "l": 0.36327,
    "c": 0.07308,
    "h": 258.5
  },
  "luminance": 0.04759
}

Semantic roles & 50–950 ramp

primary

#253E64

secondary

#977A4E

accent

#A152D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #253E64

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

Preview Lab → · Contrast checker → · Palette generator →