#253B89#253B89

#253B89 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.4% C 0.133 H 267.7°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#253B89
RGB	rgb(37, 59, 137)
HSL	hsl(227, 57%, 34%)
HSV	hsv(227, 73%, 54%)
CMYK	cmyk(73%, 56.9%, 0%, 46.3%)
CIE-LAB	lab(27.65, 19.85, -46.11)
CIE-LCH	lch(27.65, 50.20, 293.29°)
OKLab	oklab(38.37% -0.0053 -0.1328)
OKLCH	oklch(38.37% 0.133 267.7)
XYZ	xyz(6.8407, 5.3267, 24.3297)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B89 #897325

analogous

#256D89 #253B89 #412589

triadic

#253B89 #89253B #3B8925

tetradic

#253B89 #89256D #897325 #258941

square

#253B89 #89256D #897325 #258941

split-complementary

#253B89 #894125 #6D8925

monochromatic

#0B1129 #182659 #253B89 #3250B9 #5772D2

Accessibility & contrast

On white

10.17

#253B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#253B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B89

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B89	#FFFFFF	#000000	##FFFFFF
##253B89	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00468C

Deuteranopia (green-blind)

#003D87

Tritanopia (blue-blind)

#004E5C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #253b89;
/* rgb */ color: rgb(37, 59, 137);
/* oklch */ color: oklch(38.4% 0.133 267.7);

Tailwind

colors: {
  custom: {
    50: '#6e70ac',
    500: '#253b89',
    950: '#000000',
  },
}

SCSS

$custom: #253b89;
$custom-light: #6e70ac;
$custom-dark: #000000;

JSON

{
  "hex": "#253b89",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 137
  },
  "hsl": {
    "h": 226.8,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.38366,
    "c": 0.1329,
    "h": 267.7
  },
  "luminance": 0.05327
}

Semantic roles & 50–950 ramp

primary

#253B89

secondary

#B6A054

accent

#BF47E1

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #253B89

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

Preview Lab → · Contrast checker → · Palette generator →