#252B7C#252B7C

#252B7C is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.135 H 273.5°. Best body text is #FFFFFF at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#252B7C
RGB	rgb(37, 43, 124)
HSL	hsl(236, 54%, 32%)
HSV	hsv(236, 70%, 49%)
CMYK	cmyk(70.2%, 65.3%, 0%, 51.4%)
CIE-LAB	lab(22.22, 25.86, -46.80)
CIE-LCH	lch(22.22, 53.47, 298.92°)
OKLab	oklab(33.99% 0.0082 -0.135)
OKLCH	oklch(33.99% 0.135 273.5)
XYZ	xyz(5.2637, 3.5758, 19.4777)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B7C #7C7625

analogous

#25577C #252B7C #4B257C

triadic

#252B7C #7C252B #2B7C25

tetradic

#252B7C #7C2557 #7C7625 #257C4B

square

#252B7C #7C2557 #7C7625 #257C4B

split-complementary

#252B7C #7C4B25 #577C25

monochromatic

#090A1E #171B4D #252B7C #333BAB #5059CB

Accessibility & contrast

On white

12.24

#252B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#252B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B7C

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B7C	#FFFFFF	#000000	##FFFFFF
##252B7C	1.00	12.24	1.72	12.24
#FFFFFF	12.24	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397F

Deuteranopia (green-blind)

#00317A

Tritanopia (blue-blind)

#00404F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #252b7c;
/* rgb */ color: rgb(37, 43, 124);
/* oklch */ color: oklch(34.0% 0.135 273.5);

Tailwind

colors: {
  custom: {
    50: '#6c64a3',
    500: '#252b7c',
    950: '#000000',
  },
}

SCSS

$custom: #252b7c;
$custom-light: #6c64a3;
$custom-dark: #000000;

JSON

{
  "hex": "#252b7c",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 124
  },
  "hsl": {
    "h": 235.862,
    "s": 54.037,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33987,
    "c": 0.13527,
    "h": 273.5
  },
  "luminance": 0.03576
}

Semantic roles & 50–950 ramp

primary

#252B7C

secondary

#AEA84F

accent

#D34ADD

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08050F

muted

#7A7A7F

Preview Lab

Preview with #252B7C

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

Preview Lab → · Contrast checker → · Palette generator →