#253BAE#253BAE

#253BAE is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.7% C 0.184 H 268.3°. Best body text is #FFFFFF at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#253BAE
RGB	rgb(37, 59, 174)
HSL	hsl(230, 65%, 41%)
HSV	hsv(230, 79%, 68%)
CMYK	cmyk(78.7%, 66.1%, 0%, 31.8%)
CIE-LAB	lab(30.82, 33.94, -63.44)
CIE-LCH	lch(30.82, 71.95, 298.15°)
OKLab	oklab(41.71% -0.0054 -0.1836)
OKLCH	oklch(41.71% 0.184 268.3)
XYZ	xyz(9.9642, 6.5761, 40.7804)
Luminance	0.0658 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253BAE #AE9825

analogous

#2580AE #253BAE #5425AE

triadic

#253BAE #AE253B #3BAE25

tetradic

#253BAE #AE2580 #AE9825 #25AE54

square

#253BAE #AE2580 #AE9825 #25AE54

split-complementary

#253BAE #AE5425 #80AE25

monochromatic

#101949 #1A2A7C #253BAE #3B54D5 #6D80E0

Accessibility & contrast

On white

9.07

#253BAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#253BAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253BAE

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253BAE	#FFFFFF	#000000	##FFFFFF
##253BAE	1.00	9.07	2.32	9.07
#FFFFFF	9.07	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB2

Deuteranopia (green-blind)

#0042AC

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #253bae;
/* rgb */ color: rgb(37, 59, 174);
/* oklch */ color: oklch(41.7% 0.184 268.3);

Tailwind

colors: {
  custom: {
    50: '#7771c7',
    500: '#253bae',
    950: '#000000',
  },
}

SCSS

$custom: #253bae;
$custom-light: #7771c7;
$custom-dark: #000000;

JSON

{
  "hex": "#253bae",
  "rgb": {
    "r": 37,
    "g": 59,
    "b": 174
  },
  "hsl": {
    "h": 230.365,
    "s": 64.929,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41706,
    "c": 0.1837,
    "h": 268.3
  },
  "luminance": 0.06577
}

Semantic roles & 50–950 ramp

primary

#253BAE

secondary

#C6B768

accent

#CD40E8

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #253BAE

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

Preview Lab → · Contrast checker → · Palette generator →