#252F7C#252F7C

#252F7C is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.130 H 272.1°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#252F7C
RGB	rgb(37, 47, 124)
HSL	hsl(233, 54%, 32%)
HSV	hsv(233, 70%, 49%)
CMYK	cmyk(70.2%, 62.1%, 0%, 51.4%)
CIE-LAB	lab(23.27, 23.12, -45.07)
CIE-LCH	lch(23.27, 50.66, 297.16°)
OKLab	oklab(34.77% 0.0048 -0.1299)
OKLCH	oklch(34.77% 0.13 272.1)
XYZ	xyz(5.4163, 3.8811, 19.5286)
Luminance	0.0388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F7C #7C7225

analogous

#255B7C #252F7C #47257C

triadic

#252F7C #7C252F #2F7C25

tetradic

#252F7C #7C255B #7C7225 #257C47

square

#252F7C #7C255B #7C7225 #257C47

split-complementary

#252F7C #7C4725 #5B7C25

monochromatic

#090B1E #171D4D #252F7C #3341AB #505FCB

Accessibility & contrast

On white

11.82

#252F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#252F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F7C

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F7C	#FFFFFF	#000000	##FFFFFF
##252F7C	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7F

Deuteranopia (green-blind)

#00347A

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #252f7c;
/* rgb */ color: rgb(37, 47, 124);
/* oklch */ color: oklch(34.8% 0.130 272.1);

Tailwind

colors: {
  custom: {
    50: '#6b67a3',
    500: '#252f7c',
    950: '#000000',
  },
}

SCSS

$custom: #252f7c;
$custom-light: #6b67a3;
$custom-dark: #000000;

JSON

{
  "hex": "#252f7c",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 124
  },
  "hsl": {
    "h": 233.103,
    "s": 54.037,
    "l": 31.569
  },
  "oklch": {
    "l": 0.34768,
    "c": 0.13001,
    "h": 272.1
  },
  "luminance": 0.03882
}

Semantic roles & 50–950 ramp

primary

#252F7C

secondary

#AEA34F

accent

#CD4ADD

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #252F7C

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

Preview Lab → · Contrast checker → · Palette generator →