#253DA7#253DA7

#253DA7 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.4% C 0.172 H 267.9°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#253DA7
RGB	rgb(37, 61, 167)
HSL	hsl(229, 64%, 40%)
HSV	hsv(229, 78%, 65%)
CMYK	cmyk(77.8%, 63.5%, 0%, 34.5%)
CIE-LAB	lab(30.69, 30.02, -59.46)
CIE-LCH	lch(30.69, 66.61, 296.79°)
OKLab	oklab(41.41% -0.0063 -0.172)
OKLCH	oklch(41.41% 0.172 267.9)
XYZ	xyz(9.4043, 6.5198, 37.3145)
Luminance	0.0652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253DA7 #A78F25

analogous

#257EA7 #253DA7 #4E25A7

triadic

#253DA7 #A7253D #3DA725

tetradic

#253DA7 #A7257E #A78F25 #25A74E

square

#253DA7 #A7257E #A78F25 #25A74E

split-complementary

#253DA7 #A74E25 #7EA725

monochromatic

#0F1843 #1A2B75 #253DA7 #3753D3 #697EDE

Accessibility & contrast

On white

9.11

#253DA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#253DA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253DA7

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253DA7	#FFFFFF	#000000	##FFFFFF
##253DA7	1.00	9.11	2.30	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAA

Deuteranopia (green-blind)

#0042A5

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #253da7;
/* rgb */ color: rgb(37, 61, 167);
/* oklch */ color: oklch(41.4% 0.172 267.9);

Tailwind

colors: {
  custom: {
    50: '#7572c2',
    500: '#253da7',
    950: '#000000',
  },
}

SCSS

$custom: #253da7;
$custom-light: #7572c2;
$custom-dark: #000000;

JSON

{
  "hex": "#253da7",
  "rgb": {
    "r": 37,
    "g": 61,
    "b": 167
  },
  "hsl": {
    "h": 228.923,
    "s": 63.725,
    "l": 40
  },
  "oklch": {
    "l": 0.41413,
    "c": 0.17208,
    "h": 267.9
  },
  "luminance": 0.06521
}

Semantic roles & 50–950 ramp

primary

#253DA7

secondary

#C4B264

accent

#C841E7

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #253DA7

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

Preview Lab → · Contrast checker → · Palette generator →