#253A9C#253A9C

#253A9C is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.161 H 268.5°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#253A9C
RGB	rgb(37, 58, 156)
HSL	hsl(229, 62%, 38%)
HSV	hsv(229, 76%, 61%)
CMYK	cmyk(76.3%, 62.8%, 0%, 38.8%)
CIE-LAB	lab(28.95, 27.85, -55.65)
CIE-LCH	lch(28.95, 62.23, 296.58°)
OKLab	oklab(39.83% -0.0041 -0.1608)
OKLCH	oklch(39.83% 0.161 268.5)
XYZ	xyz(8.2747, 5.8188, 32.1331)
Luminance	0.0582 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A9C #9C8725

analogous

#25759C #253A9C #4C259C

triadic

#253A9C #9C253A #3A9C25

tetradic

#253A9C #9C2575 #9C8725 #259C4C

square

#253A9C #9C2575 #9C8725 #259C4C

split-complementary

#253A9C #9C4C25 #759C25

monochromatic

#0E1539 #19286B #253A9C #314CCD #6277DA

Accessibility & contrast

On white

9.70

#253A9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#253A9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A9C

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A9C	#FFFFFF	#000000	##FFFFFF
##253A9C	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#003F9A

Tritanopia (blue-blind)

#005365

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #253a9c;
/* rgb */ color: rgb(37, 58, 156);
/* oklch */ color: oklch(39.8% 0.161 268.5);

Tailwind

colors: {
  custom: {
    50: '#7270ba',
    500: '#253a9c',
    950: '#000000',
  },
}

SCSS

$custom: #253a9c;
$custom-light: #7270ba;
$custom-dark: #000000;

JSON

{
  "hex": "#253a9c",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 156
  },
  "hsl": {
    "h": 229.412,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.39831,
    "c": 0.16089,
    "h": 268.5
  },
  "luminance": 0.0582
}

Semantic roles & 50–950 ramp

primary

#253A9C

secondary

#BFAE5E

accent

#C843E5

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #253A9C

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

Preview Lab → · Contrast checker → · Palette generator →