#253E65#253E65

#253E65 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.4% C 0.075 H 259.0°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#253E65
RGB	rgb(37, 62, 101)
HSL	hsl(217, 46%, 27%)
HSV	hsv(217, 63%, 40%)
CMYK	cmyk(63.4%, 38.6%, 0%, 60.4%)
CIE-LAB	lab(26.09, 3.82, -25.85)
CIE-LCH	lch(26.09, 26.13, 278.40°)
OKLab	oklab(36.39% -0.0143 -0.0732)
OKLCH	oklch(36.39% 0.075 259)
XYZ	xyz(4.8337, 4.7777, 12.9769)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E65 #654C25

analogous

#255E65 #253E65 #2C2565

triadic

#253E65 #65253E #3E6525

tetradic

#253E65 #65255E #654C25 #25652C

square

#253E65 #65255E #654C25 #25652C

split-complementary

#253E65 #652C25 #5E6525

monochromatic

#080E16 #152338 #253E65 #355992 #4876BC

Accessibility & contrast

On white

10.74

#253E65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#253E65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E65

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E65	#FFFFFF	#000000	##FFFFFF
##253E65	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4167

Deuteranopia (green-blind)

#253B64

Tritanopia (blue-blind)

#00474C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #253e65;
/* rgb */ color: rgb(37, 62, 101);
/* oklch */ color: oklch(36.4% 0.075 259.0);

Tailwind

colors: {
  custom: {
    50: '#667391',
    500: '#253e65',
    950: '#000000',
  },
}

SCSS

$custom: #253e65;
$custom-light: #667391;
$custom-dark: #000000;

JSON

{
  "hex": "#253e65",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 101
  },
  "hsl": {
    "h": 216.563,
    "s": 46.377,
    "l": 27.059
  },
  "oklch": {
    "l": 0.3639,
    "c": 0.07462,
    "h": 259
  },
  "luminance": 0.04778
}

Semantic roles & 50–950 ramp

primary

#253E65

secondary

#987B4E

accent

#A252D6

background

#F6F6F8

surface

#EBECF0

border

#C6C7CB

text

#06080C

muted

#7A7B7D

Preview Lab

Preview with #253E65

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

Preview Lab → · Contrast checker → · Palette generator →