#252A9B#252A9B

#252A9B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.9% C 0.178 H 271.7°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#252A9B
RGB	rgb(37, 42, 155)
HSL	hsl(237, 61%, 38%)
HSV	hsv(237, 76%, 61%)
CMYK	cmyk(76.1%, 72.9%, 0%, 39.2%)
CIE-LAB	lab(25.00, 37.79, -61.53)
CIE-LCH	lch(25.00, 72.21, 301.56°)
OKLab	oklab(36.92% 0.0054 -0.1781)
OKLCH	oklch(36.92% 0.178 271.7)
XYZ	xyz(7.5053, 4.4150, 31.4606)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#252A9B #9B9625

analogous

#25659B #252A9B #5B259B

triadic

#252A9B #9B252A #2A9B25

tetradic

#252A9B #9B2565 #9B9625 #259B5B

square

#252A9B #9B2565 #9B9625 #259B5B

split-complementary

#252A9B #9B5B25 #659B25

monochromatic

#0D0F38 #191D6A #252A9B #3137CC #6166D9

Accessibility & contrast

On white

11.15

#252A9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#252A9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #252A9B

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##252A9B	#FFFFFF	#000000	##FFFFFF
##252A9B	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419E

Deuteranopia (green-blind)

#003699

Tritanopia (blue-blind)

#004A60

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #252a9b;
/* rgb */ color: rgb(37, 42, 155);
/* oklch */ color: oklch(36.9% 0.178 271.7);

Tailwind

colors: {
  custom: {
    50: '#7464ba',
    500: '#252a9b',
    950: '#000000',
  },
}

SCSS

$custom: #252a9b;
$custom-light: #7464ba;
$custom-dark: #000000;

JSON

{
  "hex": "#252a9b",
  "rgb": {
    "r": 37,
    "g": 42,
    "b": 155
  },
  "hsl": {
    "h": 237.458,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.36923,
    "c": 0.17817,
    "h": 271.7
  },
  "luminance": 0.04416
}

Semantic roles & 50–950 ramp

primary

#252A9B

secondary

#BFBA5D

accent

#DE43E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #252A9B

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

Preview Lab → · Contrast checker → · Palette generator →