#253B9A#253B9A

#253B9A is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.8% C 0.157 H 268.2°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#253B9A
RGB	rgb(37, 59, 154)
HSL	hsl(229, 61%, 37%)
HSV	hsv(229, 76%, 60%)
CMYK	cmyk(76%, 61.7%, 0%, 39.6%)
CIE-LAB	lab(29.04, 26.42, -54.29)
CIE-LCH	lch(29.04, 60.38, 295.94°)
OKLab	oklab(39.84% -0.0048 -0.1568)
OKLCH	oklch(39.84% 0.157 268.2)
XYZ	xyz(8.1576, 5.8535, 31.2655)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253B9A #9A8425

analogous

#25769A #253B9A #49259A

triadic

#253B9A #9A253B #3B9A25

tetradic

#253B9A #9A2576 #9A8425 #259A49

square

#253B9A #9A2576 #9A8425 #259A49

split-complementary

#253B9A #9A4925 #769A25

monochromatic

#0D1537 #192869 #253B9A #314ECB #6077D9

Accessibility & contrast

On white

9.67

#253B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#253B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253B9A

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253B9A	#FFFFFF	#000000	##FFFFFF
##253B9A	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9D

Deuteranopia (green-blind)

#003F98

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #253b9a;
/* rgb */ color: rgb(37, 59, 154);
/* oklch */ color: oklch(39.8% 0.157 268.2);

Tailwind

colors: {
  custom: {
    50: '#7270b9',
    500: '#253b9a',
    950: '#000000',
  },
}

SCSS

$custom: #253b9a;
$custom-light: #7270b9;
$custom-dark: #000000;

JSON

{
  "hex": "#253b9a",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 154
  },
  "hsl": {
    "h": 228.718,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.39843,
    "c": 0.1569,
    "h": 268.2
  },
  "luminance": 0.05854
}

Semantic roles & 50–950 ramp

primary

#253B9A

secondary

#BEAC5D

accent

#C643E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #253B9A

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

Preview Lab → · Contrast checker → · Palette generator →