#253A99#253A99

#253A99 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.6% C 0.157 H 268.5°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#253A99
RGB	rgb(37, 58, 153)
HSL	hsl(229, 61%, 37%)
HSV	hsv(229, 76%, 60%)
CMYK	cmyk(75.8%, 62.1%, 0%, 40%)
CIE-LAB	lab(28.69, 26.71, -54.25)
CIE-LCH	lch(28.69, 60.47, 296.21°)
OKLab	oklab(39.56% -0.0041 -0.1567)
OKLCH	oklch(39.56% 0.157 268.5)
XYZ	xyz(8.0238, 5.7185, 30.8117)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253A99 #998425

analogous

#257499 #253A99 #4A2599

triadic

#253A99 #99253A #3A9925

tetradic

#253A99 #992574 #998425 #25994A

square

#253A99 #992574 #998425 #25994A

split-complementary

#253A99 #994A25 #749925

monochromatic

#0D1536 #192768 #253A99 #314DCA #6076D9

Accessibility & contrast

On white

9.80

#253A99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#253A99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253A99

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253A99	#FFFFFF	#000000	##FFFFFF
##253A99	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#003E97

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #253a99;
/* rgb */ color: rgb(37, 58, 153);
/* oklch */ color: oklch(39.6% 0.157 268.5);

Tailwind

colors: {
  custom: {
    50: '#7270b8',
    500: '#253a99',
    950: '#000000',
  },
}

SCSS

$custom: #253a99;
$custom-light: #7270b8;
$custom-dark: #000000;

JSON

{
  "hex": "#253a99",
  "rgb": {
    "r": 37,
    "g": 58,
    "b": 153
  },
  "hsl": {
    "h": 229.138,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39558,
    "c": 0.15678,
    "h": 268.5
  },
  "luminance": 0.05719
}

Semantic roles & 50–950 ramp

primary

#253A99

secondary

#BEAC5C

accent

#C744E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #253A99

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

Preview Lab → · Contrast checker → · Palette generator →