#253FA0#253FA0

#253FA0 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.2% C 0.160 H 267.3°. Best body text is #FFFFFF at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#253FA0
RGB	rgb(37, 63, 160)
HSL	hsl(227, 62%, 39%)
HSV	hsv(227, 77%, 63%)
CMYK	cmyk(76.9%, 60.6%, 0%, 37.3%)
CIE-LAB	lab(30.61, 26.02, -55.38)
CIE-LCH	lch(30.61, 61.19, 295.17°)
OKLab	oklab(41.17% -0.0076 -0.16)
OKLCH	oklch(41.17% 0.16 267.3)
XYZ	xyz(8.8834, 6.4854, 34.0345)
Luminance	0.0649 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253FA0 #A08625

analogous

#257CA0 #253FA0 #4825A0

triadic

#253FA0 #A0253F #3FA025

tetradic

#253FA0 #A0257C #A08625 #25A048

square

#253FA0 #A0257C #A08625 #25A048

split-complementary

#253FA0 #A04825 #7CA025

monochromatic

#0E183D #1A2B6E #253FA0 #3254D0 #647DDB

Accessibility & contrast

On white

9.14

#253FA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#253FA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253FA0

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253FA0	#FFFFFF	#000000	##FFFFFF
##253FA0	1.00	9.14	2.30	9.14
#FFFFFF	9.14	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EA3

Deuteranopia (green-blind)

#00429E

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #253fa0;
/* rgb */ color: rgb(37, 63, 160);
/* oklch */ color: oklch(41.2% 0.160 267.3);

Tailwind

colors: {
  custom: {
    50: '#7373bd',
    500: '#253fa0',
    950: '#000000',
  },
}

SCSS

$custom: #253fa0;
$custom-light: #7373bd;
$custom-dark: #000000;

JSON

{
  "hex": "#253fa0",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 160
  },
  "hsl": {
    "h": 227.317,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.41166,
    "c": 0.16015,
    "h": 267.3
  },
  "luminance": 0.06486
}

Semantic roles & 50–950 ramp

primary

#253FA0

secondary

#C1AC60

accent

#C342E6

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #253FA0

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

Preview Lab → · Contrast checker → · Palette generator →