#253A9A#253A9A

#253A9A is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.6% C 0.158 H 268.5°. Best body text is #FFFFFF at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#253A9A
RGB	rgb(37, 58, 154)
HSL	hsl(229, 61%, 37%)
HSV	hsv(229, 76%, 60%)
CMYK	cmyk(76%, 62.3%, 0%, 39.6%)
CIE-LAB	lab(28.78, 27.09, -54.72)
CIE-LCH	lch(28.78, 61.06, 296.34°)
OKLab	oklab(39.65% -0.0041 -0.1581)
OKLCH	oklch(39.65% 0.158 268.5)
XYZ	xyz(8.1067, 5.7516, 31.2485)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A9A #9A8525

analogous

#25749A #253A9A #4B259A

triadic

#253A9A #9A253A #3A9A25

tetradic

#253A9A #9A2574 #9A8525 #259A4B

square

#253A9A #9A2574 #9A8525 #259A4B

split-complementary

#253A9A #9A4B25 #749A25

monochromatic

#0D1537 #192769 #253A9A #314DCB #6076D9

Accessibility & contrast

On white

9.76

#253A9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#253A9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A9A

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A9A	#FFFFFF	#000000	##FFFFFF
##253A9A	1.00	9.76	2.15	9.76
#FFFFFF	9.76	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499D

Deuteranopia (green-blind)

#003F98

Tritanopia (blue-blind)

#005364

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #253a9a;
/* rgb */ color: rgb(37, 58, 154);
/* oklch */ color: oklch(39.6% 0.158 268.5);

Tailwind

colors: {
  custom: {
    50: '#7270b9',
    500: '#253a9a',
    950: '#000000',
  },
}

SCSS

$custom: #253a9a;
$custom-light: #7270b9;
$custom-dark: #000000;

JSON

{
  "hex": "#253a9a",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 154
  },
  "hsl": {
    "h": 229.231,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.39649,
    "c": 0.15815,
    "h": 268.5
  },
  "luminance": 0.05753
}

Semantic roles & 50–950 ramp

primary

#253A9A

secondary

#BEAD5D

accent

#C743E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #253A9A

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

Preview Lab → · Contrast checker → · Palette generator →