#252F8E#252F8E

#252F8E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.5% C 0.155 H 271.5°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#252F8E
RGB	rgb(37, 47, 142)
HSL	hsl(234, 59%, 35%)
HSV	hsv(234, 74%, 56%)
CMYK	cmyk(73.9%, 66.9%, 0%, 44.3%)
CIE-LAB	lab(24.89, 29.90, -53.71)
CIE-LCH	lch(24.89, 61.48, 299.11°)
OKLab	oklab(36.45% 0.004 -0.1552)
OKLCH	oklch(36.45% 0.155 271.5)
XYZ	xyz(6.6603, 4.3787, 26.0801)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F8E #8E8425

analogous

#25638E #252F8E #50258E

triadic

#252F8E #8E252F #2F8E25

tetradic

#252F8E #8E2563 #8E8425 #258E50

square

#252F8E #8E2563 #8E8425 #258E50

split-complementary

#252F8E #8E5025 #638E25

monochromatic

#0C0F2D #181F5D #252F8E #323FBF #5A65D4

Accessibility & contrast

On white

11.20

#252F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#252F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F8E

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F8E	#FFFFFF	#000000	##FFFFFF
##252F8E	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004091

Deuteranopia (green-blind)

#00368C

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #252f8e;
/* rgb */ color: rgb(37, 47, 142);
/* oklch */ color: oklch(36.5% 0.155 271.5);

Tailwind

colors: {
  custom: {
    50: '#7067b0',
    500: '#252f8e',
    950: '#000000',
  },
}

SCSS

$custom: #252f8e;
$custom-light: #7067b0;
$custom-dark: #000000;

JSON

{
  "hex": "#252f8e",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 142
  },
  "hsl": {
    "h": 234.286,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.36452,
    "c": 0.1553,
    "h": 271.5
  },
  "luminance": 0.04379
}

Semantic roles & 50–950 ramp

primary

#252F8E

secondary

#B9AF56

accent

#D346E2

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#090611

muted

#7B7A80

Preview Lab

Preview with #252F8E

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

Preview Lab → · Contrast checker → · Palette generator →