#252F89#252F89

#252F89 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.148 H 271.7°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#252F89
RGB	rgb(37, 47, 137)
HSL	hsl(234, 57%, 34%)
HSV	hsv(234, 73%, 54%)
CMYK	cmyk(73%, 65.7%, 0%, 46.3%)
CIE-LAB	lab(24.42, 28.04, -51.36)
CIE-LCH	lch(24.42, 58.52, 298.63°)
OKLab	oklab(35.97% 0.0043 -0.1484)
OKLCH	oklch(35.97% 0.148 271.7)
XYZ	xyz(6.2933, 4.2319, 24.1472)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F89 #897F25

analogous

#256189 #252F89 #4D2589

triadic

#252F89 #89252F #2F8925

tetradic

#252F89 #892561 #897F25 #25894D

square

#252F89 #892561 #897F25 #25894D

split-complementary

#252F89 #894D25 #618925

monochromatic

#0B0E29 #181E59 #252F89 #3240B9 #5763D2

Accessibility & contrast

On white

11.37

#252F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#252F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F89

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F89	#FFFFFF	#000000	##FFFFFF
##252F89	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8C

Deuteranopia (green-blind)

#003587

Tritanopia (blue-blind)

#004657

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #252f89;
/* rgb */ color: rgb(37, 47, 137);
/* oklch */ color: oklch(36.0% 0.148 271.7);

Tailwind

colors: {
  custom: {
    50: '#6f67ac',
    500: '#252f89',
    950: '#000000',
  },
}

SCSS

$custom: #252f89;
$custom-light: #6f67ac;
$custom-dark: #000000;

JSON

{
  "hex": "#252f89",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 137
  },
  "hsl": {
    "h": 234,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.35972,
    "c": 0.14843,
    "h": 271.7
  },
  "luminance": 0.04232
}

Semantic roles & 50–950 ramp

primary

#252F89

secondary

#B6AC54

accent

#D147E1

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #252F89

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

Preview Lab → · Contrast checker → · Palette generator →