#253D70#253D70

#253D70 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.093 H 263.5°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#253D70
RGB	rgb(37, 61, 112)
HSL	hsl(221, 50%, 29%)
HSV	hsv(221, 67%, 44%)
CMYK	cmyk(67%, 45.5%, 0%, 56.1%)
CIE-LAB	lab(26.45, 8.72, -32.33)
CIE-LCH	lch(26.45, 33.48, 285.09°)
OKLab	oklab(36.88% -0.0104 -0.0922)
OKLCH	oklch(36.88% 0.093 263.5)
XYZ	xyz(5.3553, 4.9002, 15.9897)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253D70 #705825

analogous

#256370 #253D70 #332570

triadic

#253D70 #70253D #3D7025

tetradic

#253D70 #702563 #705825 #257033

square

#253D70 #702563 #705825 #257033

split-complementary

#253D70 #703325 #637025

monochromatic

#080D17 #162442 #253D70 #34569E #4C72C4

Accessibility & contrast

On white

10.60

#253D70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#253D70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253D70

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253D70	#FFFFFF	#000000	##FFFFFF
##253D70	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254272

Deuteranopia (green-blind)

#193B6F

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #253d70;
/* rgb */ color: rgb(37, 61, 112);
/* oklch */ color: oklch(36.9% 0.093 263.5);

Tailwind

colors: {
  custom: {
    50: '#687299',
    500: '#253d70',
    950: '#000000',
  },
}

SCSS

$custom: #253d70;
$custom-light: #687299;
$custom-dark: #000000;

JSON

{
  "hex": "#253d70",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 112
  },
  "hsl": {
    "h": 220.8,
    "s": 50.336,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36884,
    "c": 0.09282,
    "h": 263.5
  },
  "luminance": 0.04901
}

Semantic roles & 50–950 ramp

primary

#253D70

secondary

#A3884E

accent

#AD4EDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #253D70

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

Preview Lab → · Contrast checker → · Palette generator →