#252B9E#252B9E

#252B9E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.181 H 271.4°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#252B9E
RGB	rgb(37, 43, 158)
HSL	hsl(237, 62%, 38%)
HSV	hsv(237, 77%, 62%)
CMYK	cmyk(76.6%, 72.8%, 0%, 38%)
CIE-LAB	lab(25.53, 38.24, -62.49)
CIE-LCH	lch(25.53, 73.26, 301.46°)
OKLab	oklab(37.4% 0.0045 -0.1809)
OKLCH	oklch(37.4% 0.181 271.4)
XYZ	xyz(7.7963, 4.5889, 32.8160)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252B9E #9E9825

analogous

#25679E #252B9E #5B259E

triadic

#252B9E #9E252B #2B9E25

tetradic

#252B9E #9E2567 #9E9825 #259E5B

square

#252B9E #9E2567 #9E9825 #259E5B

split-complementary

#252B9E #9E5B25 #679E25

monochromatic

#0E103B #191E6C #252B9E #3139CF #6369DA

Accessibility & contrast

On white

10.95

#252B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#252B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252B9E

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252B9E	#FFFFFF	#000000	##FFFFFF
##252B9E	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A1

Deuteranopia (green-blind)

#00379C

Tritanopia (blue-blind)

#004C61

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #252b9e;
/* rgb */ color: rgb(37, 43, 158);
/* oklch */ color: oklch(37.4% 0.181 271.4);

Tailwind

colors: {
  custom: {
    50: '#7465bc',
    500: '#252b9e',
    950: '#000000',
  },
}

SCSS

$custom: #252b9e;
$custom-light: #7465bc;
$custom-dark: #000000;

JSON

{
  "hex": "#252b9e",
  "rgb": {
    "r": 37,
    "g": 43,
    "b": 158
  },
  "hsl": {
    "h": 237.025,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37396,
    "c": 0.18094,
    "h": 271.4
  },
  "luminance": 0.0459
}

Semantic roles & 50–950 ramp

primary

#252B9E

secondary

#C0BB5F

accent

#DD43E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #252B9E

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

Preview Lab → · Contrast checker → · Palette generator →