#253E72#253E72

#253E72 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.3% C 0.095 H 263.2°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#253E72
RGB	rgb(37, 62, 114)
HSL	hsl(221, 51%, 30%)
HSV	hsv(221, 68%, 45%)
CMYK	cmyk(67.5%, 45.6%, 0%, 55.3%)
CIE-LAB	lab(26.89, 8.80, -32.90)
CIE-LCH	lch(26.89, 34.06, 284.97°)
OKLab	oklab(37.26% -0.0112 -0.0939)
OKLCH	oklch(37.26% 0.095 263.2)
XYZ	xyz(5.5218, 5.0530, 16.6006)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253E72 #725925

analogous

#256572 #253E72 #322572

triadic

#253E72 #72253E #3E7225

tetradic

#253E72 #722565 #725925 #257232

square

#253E72 #722565 #725925 #257232

split-complementary

#253E72 #723225 #657225

monochromatic

#070D17 #162544 #253E72 #3457A0 #4C74C5

Accessibility & contrast

On white

10.44

#253E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#253E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253E72

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253E72	#FFFFFF	#000000	##FFFFFF
##253E72	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#264374

Deuteranopia (green-blind)

#193C71

Tritanopia (blue-blind)

#004A52

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #253e72;
/* rgb */ color: rgb(37, 62, 114);
/* oklch */ color: oklch(37.3% 0.095 263.2);

Tailwind

colors: {
  custom: {
    50: '#68729b',
    500: '#253e72',
    950: '#000000',
  },
}

SCSS

$custom: #253e72;
$custom-light: #68729b;
$custom-dark: #000000;

JSON

{
  "hex": "#253e72",
  "rgb": {
    "r": 37,
    "g": 62,
    "b": 114
  },
  "hsl": {
    "h": 220.519,
    "s": 50.993,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37262,
    "c": 0.09457,
    "h": 263.2
  },
  "luminance": 0.05053
}

Semantic roles & 50–950 ramp

primary

#253E72

secondary

#A5894E

accent

#AD4DDA

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#07080E

muted

#7A7B7E

Preview Lab

Preview with #253E72

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

Preview Lab → · Contrast checker → · Palette generator →