#152F81#152F81

#152F81 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.4% C 0.142 H 265.6°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#152F81
RGB	rgb(21, 47, 129)
HSL	hsl(226, 72%, 29%)
HSV	hsv(226, 84%, 51%)
CMYK	cmyk(83.7%, 63.6%, 0%, 49.4%)
CIE-LAB	lab(22.92, 23.11, -48.84)
CIE-LCH	lch(22.92, 54.03, 295.32°)
OKLab	oklab(34.42% -0.0108 -0.1413)
OKLCH	oklch(34.42% 0.142 265.6)
XYZ	xyz(5.2868, 3.7768, 21.2150)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152F81 #816715

analogous

#156581 #152F81 #311581

triadic

#152F81 #81152F #2F8115

tetradic

#152F81 #811565 #816715 #158131

square

#152F81 #811565 #816715 #158131

split-complementary

#152F81 #813115 #658115

monochromatic

#040A1A #0C1C4C #152F81 #1E42B6 #335CDE

Accessibility & contrast

On white

11.96

#152F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#152F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152F81

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152F81	#FFFFFF	#000000	##FFFFFF
##152F81	1.00	11.96	1.76	11.96
#FFFFFF	11.96	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C84

Deuteranopia (green-blind)

#00327F

Tritanopia (blue-blind)

#004453

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #152f81;
/* rgb */ color: rgb(21, 47, 129);
/* oklch */ color: oklch(34.4% 0.142 265.6);

Tailwind

colors: {
  custom: {
    50: '#6767a6',
    500: '#152f81',
    950: '#000000',
  },
}

SCSS

$custom: #152f81;
$custom-light: #6767a6;
$custom-dark: #000000;

JSON

{
  "hex": "#152f81",
  "rgb": {
    "r": 21,
    "g": 47,
    "b": 129
  },
  "hsl": {
    "h": 225.556,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.34424,
    "c": 0.14174,
    "h": 265.6
  },
  "luminance": 0.03777
}

Semantic roles & 50–950 ramp

primary

#152F81

secondary

#B6983C

accent

#C339EF

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #152F81

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

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