#152B81#152B81

#152B81 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.6% C 0.147 H 266.7°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#152B81
RGB	rgb(21, 43, 129)
HSL	hsl(228, 72%, 29%)
HSV	hsv(228, 84%, 51%)
CMYK	cmyk(83.7%, 66.7%, 0%, 49.4%)
CIE-LAB	lab(21.84, 25.90, -50.61)
CIE-LCH	lch(21.84, 56.85, 297.10°)
OKLab	oklab(33.63% -0.0085 -0.1465)
OKLCH	oklch(33.63% 0.147 266.7)
XYZ	xyz(5.1342, 3.4716, 21.1641)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152B81 #816B15

analogous

#156181 #152B81 #351581

triadic

#152B81 #81152B #2B8115

tetradic

#152B81 #811561 #816B15 #158135

square

#152B81 #811561 #816B15 #158135

split-complementary

#152B81 #813515 #618115

monochromatic

#04091A #0C194C #152B81 #1E3DB6 #3356DE

Accessibility & contrast

On white

12.39

#152B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#152B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152B81

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152B81	#FFFFFF	#000000	##FFFFFF
##152B81	1.00	12.39	1.69	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A84

Deuteranopia (green-blind)

#002F7F

Tritanopia (blue-blind)

#004252

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #152b81;
/* rgb */ color: rgb(21, 43, 129);
/* oklch */ color: oklch(33.6% 0.147 266.7);

Tailwind

colors: {
  custom: {
    50: '#6864a6',
    500: '#152b81',
    950: '#000000',
  },
}

SCSS

$custom: #152b81;
$custom-light: #6864a6;
$custom-dark: #000000;

JSON

{
  "hex": "#152b81",
  "rgb": {
    "r": 21,
    "g": 43,
    "b": 129
  },
  "hsl": {
    "h": 227.778,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33626,
    "c": 0.14679,
    "h": 266.7
  },
  "luminance": 0.03472
}

Semantic roles & 50–950 ramp

primary

#152B81

secondary

#B69D3C

accent

#CA39EF

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #152B81

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

Preview Lab → · Contrast checker → · Palette generator →