#253999#253999

#253999 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.4% C 0.158 H 268.8°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#253999
RGB	rgb(37, 57, 153)
HSL	hsl(230, 61%, 37%)
HSV	hsv(230, 76%, 60%)
CMYK	cmyk(75.8%, 62.7%, 0%, 40%)
CIE-LAB	lab(28.43, 27.38, -54.68)
CIE-LCH	lch(28.43, 61.15, 296.60°)
OKLab	oklab(39.36% -0.0034 -0.158)
OKLCH	oklch(39.36% 0.158 268.8)
XYZ	xyz(7.9739, 5.6186, 30.7951)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253999 #998525

analogous

#257399 #253999 #4B2599

triadic

#253999 #992539 #399925

tetradic

#253999 #992573 #998525 #25994B

square

#253999 #992573 #998525 #25994B

split-complementary

#253999 #994B25 #739925

monochromatic

#0D1436 #192768 #253999 #314BCA #6075D9

Accessibility & contrast

On white

9.89

#253999 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#253999 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253999

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253999	#FFFFFF	#000000	##FFFFFF
##253999	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00499C

Deuteranopia (green-blind)

#003E97

Tritanopia (blue-blind)

#005263

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #253999;
/* rgb */ color: rgb(37, 57, 153);
/* oklch */ color: oklch(39.4% 0.158 268.8);

Tailwind

colors: {
  custom: {
    50: '#726fb8',
    500: '#253999',
    950: '#000000',
  },
}

SCSS

$custom: #253999;
$custom-light: #726fb8;
$custom-dark: #000000;

JSON

{
  "hex": "#253999",
  "rgb": {
    "r": 37,
    "g": 57,
    "b": 153
  },
  "hsl": {
    "h": 229.655,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39364,
    "c": 0.15803,
    "h": 268.8
  },
  "luminance": 0.05619
}

Semantic roles & 50–950 ramp

primary

#253999

secondary

#BEAD5C

accent

#C844E4

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#090711

muted

#7B7A80

Preview Lab

Preview with #253999

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

Preview Lab → · Contrast checker → · Palette generator →