#253C9D#253C9D

#253C9D is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.3% C 0.160 H 268.0°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#253C9D
RGB	rgb(37, 60, 157)
HSL	hsl(229, 62%, 38%)
HSV	hsv(229, 76%, 62%)
CMYK	cmyk(76.4%, 61.8%, 0%, 38.4%)
CIE-LAB	lab(29.56, 26.89, -55.27)
CIE-LCH	lch(29.56, 61.46, 295.94°)
OKLab	oklab(40.31% -0.0055 -0.1597)
OKLCH	oklch(40.31% 0.16 268)
XYZ	xyz(8.4625, 6.0584, 32.6151)
Luminance	0.0606 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253C9D #9D8625

analogous

#25789D #253C9D #4A259D

triadic

#253C9D #9D253C #3C9D25

tetradic

#253C9D #9D2578 #9D8625 #259D4A

square

#253C9D #9D2578 #9D8625 #259D4A

split-complementary

#253C9D #9D4A25 #789D25

monochromatic

#0E163A #19296B #253C9D #314FCE #6279DA

Accessibility & contrast

On white

9.49

#253C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#253C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253C9D

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253C9D	#FFFFFF	#000000	##FFFFFF
##253C9D	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #253c9d;
/* rgb */ color: rgb(37, 60, 157);
/* oklch */ color: oklch(40.3% 0.160 268.0);

Tailwind

colors: {
  custom: {
    50: '#7271bb',
    500: '#253c9d',
    950: '#000000',
  },
}

SCSS

$custom: #253c9d;
$custom-light: #7271bb;
$custom-dark: #000000;

JSON

{
  "hex": "#253c9d",
  "rgb": {
    "r": 37,
    "g": 60,
    "b": 157
  },
  "hsl": {
    "h": 228.5,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.40309,
    "c": 0.15978,
    "h": 268
  },
  "luminance": 0.06059
}

Semantic roles & 50–950 ramp

primary

#253C9D

secondary

#BFAD5E

accent

#C643E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #253C9D

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

Preview Lab → · Contrast checker → · Palette generator →