#253A9F#253A9F

#253A9F is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.165 H 268.5°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#253A9F
RGB	rgb(37, 58, 159)
HSL	hsl(230, 62%, 38%)
HSV	hsv(230, 77%, 62%)
CMYK	cmyk(76.7%, 63.5%, 0%, 37.6%)
CIE-LAB	lab(29.21, 28.99, -57.05)
CIE-LCH	lch(29.21, 63.99, 296.94°)
OKLab	oklab(40.11% -0.0042 -0.1649)
OKLCH	oklch(40.11% 0.165 268.5)
XYZ	xyz(8.5318, 5.9217, 33.4875)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A9F #9F8A25

analogous

#25779F #253A9F #4D259F

triadic

#253A9F #9F253A #3A9F25

tetradic

#253A9F #9F2577 #9F8A25 #259F4D

square

#253A9F #9F2577 #9F8A25 #259F4D

split-complementary

#253A9F #9F4D25 #779F25

monochromatic

#0E163C #19286D #253A9F #324DCF #6478DB

Accessibility & contrast

On white

9.61

#253A9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#253A9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A9F

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A9F	#FFFFFF	#000000	##FFFFFF
##253A9F	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA2

Deuteranopia (green-blind)

#003F9D

Tritanopia (blue-blind)

#005467

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #253a9f;
/* rgb */ color: rgb(37, 58, 159);
/* oklch */ color: oklch(40.1% 0.165 268.5);

Tailwind

colors: {
  custom: {
    50: '#7370bc',
    500: '#253a9f',
    950: '#000000',
  },
}

SCSS

$custom: #253a9f;
$custom-light: #7370bc;
$custom-dark: #000000;

JSON

{
  "hex": "#253a9f",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 159
  },
  "hsl": {
    "h": 229.672,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.40107,
    "c": 0.16497,
    "h": 268.5
  },
  "luminance": 0.05923
}

Semantic roles & 50–950 ramp

primary

#253A9F

secondary

#C0B05F

accent

#C942E5

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #253A9F

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

Preview Lab → · Contrast checker → · Palette generator →