#252F8F#252F8F

#252F8F is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.5% C 0.157 H 271.4°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#252F8F
RGB	rgb(37, 47, 143)
HSL	hsl(234, 59%, 35%)
HSV	hsv(234, 74%, 56%)
CMYK	cmyk(74.1%, 67.1%, 0%, 43.9%)
CIE-LAB	lab(24.98, 30.28, -54.18)
CIE-LCH	lch(24.98, 62.07, 299.20°)
OKLab	oklab(36.55% 0.0039 -0.1566)
OKLCH	oklch(36.55% 0.157 271.4)
XYZ	xyz(6.7357, 4.4088, 26.4773)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F8F #8F8525

analogous

#25648F #252F8F #50258F

triadic

#252F8F #8F252F #2F8F25

tetradic

#252F8F #8F2564 #8F8525 #258F50

square

#252F8F #8F2564 #8F8525 #258F50

split-complementary

#252F8F #8F5025 #648F25

monochromatic

#0C0F2E #181F5E #252F8F #323FC0 #5A66D4

Accessibility & contrast

On white

11.16

#252F8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#252F8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F8F

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F8F	#FFFFFF	#000000	##FFFFFF
##252F8F	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004092

Deuteranopia (green-blind)

#00368D

Tritanopia (blue-blind)

#00485A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #252f8f;
/* rgb */ color: rgb(37, 47, 143);
/* oklch */ color: oklch(36.5% 0.157 271.4);

Tailwind

colors: {
  custom: {
    50: '#7067b1',
    500: '#252f8f',
    950: '#000000',
  },
}

SCSS

$custom: #252f8f;
$custom-light: #7067b1;
$custom-dark: #000000;

JSON

{
  "hex": "#252f8f",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 143
  },
  "hsl": {
    "h": 234.34,
    "s": 58.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.36549,
    "c": 0.15667,
    "h": 271.4
  },
  "luminance": 0.0441
}

Semantic roles & 50–950 ramp

primary

#252F8F

secondary

#B9B057

accent

#D346E2

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #252F8F

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

Preview Lab → · Contrast checker → · Palette generator →