#252B71#252B71

#252B71 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 33.0% C 0.119 H 274.1°. Best body text is #FFFFFF at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#252B71
RGB	rgb(37, 43, 113)
HSL	hsl(235, 51%, 29%)
HSV	hsv(235, 67%, 44%)
CMYK	cmyk(67.3%, 61.9%, 0%, 55.7%)
CIE-LAB	lab(21.26, 21.71, -41.34)
CIE-LCH	lch(21.26, 46.70, 297.71°)
OKLab	oklab(32.98% 0.0086 -0.119)
OKLCH	oklch(32.98% 0.119 274.1)
XYZ	xyz(4.6065, 3.3129, 16.0163)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B71 #716B25

analogous

#255171 #252B71 #452571

triadic

#252B71 #71252B #2B7125

tetradic

#252B71 #712551 #716B25 #257145

square

#252B71 #712551 #716B25 #257145

split-complementary

#252B71 #714525 #517125

monochromatic

#080917 #161943 #252B71 #343D9F #4C56C4

Accessibility & contrast

On white

12.63

#252B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#252B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B71

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B71	#FFFFFF	#000000	##FFFFFF
##252B71	1.00	12.63	1.66	12.63
#FFFFFF	12.63	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003673

Deuteranopia (green-blind)

#003070

Tritanopia (blue-blind)

#003C49

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #252b71;
/* rgb */ color: rgb(37, 43, 113);
/* oklch */ color: oklch(33.0% 0.119 274.1);

Tailwind

colors: {
  custom: {
    50: '#69649a',
    500: '#252b71',
    950: '#000000',
  },
}

SCSS

$custom: #252b71;
$custom-light: #69649a;
$custom-dark: #000000;

JSON

{
  "hex": "#252b71",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 113
  },
  "hsl": {
    "h": 235.263,
    "s": 50.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.32979,
    "c": 0.1193,
    "h": 274.1
  },
  "luminance": 0.03313
}

Semantic roles & 50–950 ramp

primary

#252B71

secondary

#A49D4E

accent

#CF4EDA

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #252B71

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

Preview Lab → · Contrast checker → · Palette generator →