#252F9F#252F9F

#252F9F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.1% C 0.178 H 270.7°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#252F9F
RGB	rgb(37, 47, 159)
HSL	hsl(235, 62%, 38%)
HSV	hsv(235, 77%, 62%)
CMYK	cmyk(76.7%, 70.4%, 0%, 37.6%)
CIE-LAB	lab(26.53, 36.12, -61.45)
CIE-LCH	lch(26.53, 71.28, 300.45°)
OKLab	oklab(38.15% 0.0023 -0.1779)
OKLCH	oklch(38.15% 0.178 270.7)
XYZ	xyz(8.0353, 4.9287, 33.3220)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252F9F #9F9525

analogous

#256C9F #252F9F #58259F

triadic

#252F9F #9F252F #2F9F25

tetradic

#252F9F #9F256C #9F9525 #259F58

square

#252F9F #9F256C #9F9525 #259F58

split-complementary

#252F9F #9F5825 #6C9F25

monochromatic

#0E123C #19206D #252F9F #323FCF #646DDB

Accessibility & contrast

On white

10.57

#252F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#252F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252F9F

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252F9F	#FFFFFF	#000000	##FFFFFF
##252F9F	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A2

Deuteranopia (green-blind)

#00399D

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #252f9f;
/* rgb */ color: rgb(37, 47, 159);
/* oklch */ color: oklch(38.1% 0.178 270.7);

Tailwind

colors: {
  custom: {
    50: '#7468bc',
    500: '#252f9f',
    950: '#000000',
  },
}

SCSS

$custom: #252f9f;
$custom-light: #7468bc;
$custom-dark: #000000;

JSON

{
  "hex": "#252f9f",
  "rgb": {
    "r": 37,
    "g": 47,
    "b": 159
  },
  "hsl": {
    "h": 235.082,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38147,
    "c": 0.17788,
    "h": 270.7
  },
  "luminance": 0.0493
}

Semantic roles & 50–950 ramp

primary

#252F9F

secondary

#C0B85F

accent

#D842E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #252F9F

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

Preview Lab → · Contrast checker → · Palette generator →