#253F90#253F90

#253F90 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 39.8% C 0.138 H 266.6°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#253F90
RGB	rgb(37, 63, 144)
HSL	hsl(225, 59%, 35%)
HSV	hsv(225, 74%, 56%)
CMYK	cmyk(74.3%, 56.3%, 0%, 43.5%)
CIE-LAB	lab(29.31, 19.83, -47.73)
CIE-LCH	lch(29.31, 51.68, 292.56°)
OKLab	oklab(39.79% -0.0082 -0.1375)
OKLCH	oklch(39.79% 0.138 266.6)
XYZ	xyz(7.5727, 5.9611, 27.1317)
Luminance	0.0596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#253F90 #907625

analogous

#257490 #253F90 #412590

triadic

#253F90 #90253F #3F9025

tetradic

#253F90 #902574 #907625 #259041

square

#253F90 #902574 #907625 #259041

split-complementary

#253F90 #904125 #749025

monochromatic

#0C142F #182A5F #253F90 #3254C1 #5B78D5

Accessibility & contrast

On white

9.58

#253F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#253F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #253F90

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##253F90	#FFFFFF	#000000	##FFFFFF
##253F90	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A93

Deuteranopia (green-blind)

#00408E

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #253f90;
/* rgb */ color: rgb(37, 63, 144);
/* oklch */ color: oklch(39.8% 0.138 266.6);

Tailwind

colors: {
  custom: {
    50: '#6f73b1',
    500: '#253f90',
    950: '#000000',
  },
}

SCSS

$custom: #253f90;
$custom-light: #6f73b1;
$custom-dark: #000000;

JSON

{
  "hex": "#253f90",
  "rgb": {
    "r": 37,
    "g": 63,
    "b": 144
  },
  "hsl": {
    "h": 225.421,
    "s": 59.116,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39794,
    "c": 0.13773,
    "h": 266.6
  },
  "luminance": 0.05962
}

Semantic roles & 50–950 ramp

primary

#253F90

secondary

#B9A257

accent

#BC45E2

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #253F90

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

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