#152D81#152D81

#152D81 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.144 H 266.2°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#152D81
RGB	rgb(21, 45, 129)
HSL	hsl(227, 72%, 29%)
HSV	hsv(227, 84%, 51%)
CMYK	cmyk(83.7%, 65.1%, 0%, 49.4%)
CIE-LAB	lab(22.38, 24.51, -49.73)
CIE-LCH	lch(22.38, 55.45, 296.23°)
OKLab	oklab(34.02% -0.0097 -0.144)
OKLCH	oklch(34.02% 0.144 266.2)
XYZ	xyz(5.2087, 3.6206, 21.1889)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152D81 #816915

analogous

#156381 #152D81 #331581

triadic

#152D81 #81152D #2D8115

tetradic

#152D81 #811563 #816915 #158133

square

#152D81 #811563 #816915 #158133

split-complementary

#152D81 #813315 #638115

monochromatic

#04091A #0C1B4C #152D81 #1E3FB6 #3359DE

Accessibility & contrast

On white

12.18

#152D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#152D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152D81

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152D81	#FFFFFF	#000000	##FFFFFF
##152D81	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B84

Deuteranopia (green-blind)

#00317F

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #152d81;
/* rgb */ color: rgb(21, 45, 129);
/* oklch */ color: oklch(34.0% 0.144 266.2);

Tailwind

colors: {
  custom: {
    50: '#6765a6',
    500: '#152d81',
    950: '#000000',
  },
}

SCSS

$custom: #152d81;
$custom-light: #6765a6;
$custom-dark: #000000;

JSON

{
  "hex": "#152d81",
  "rgb": {
    "r": 21,
    "g": 45,
    "b": 129
  },
  "hsl": {
    "h": 226.667,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.3402,
    "c": 0.14428,
    "h": 266.2
  },
  "luminance": 0.03621
}

Semantic roles & 50–950 ramp

primary

#152D81

secondary

#B69B3C

accent

#C639EF

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #152D81

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

Preview Lab → · Contrast checker → · Palette generator →