#151F80#151F80

#151F80 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.159 H 269.0°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#151F80
RGB	rgb(21, 31, 128)
HSL	hsl(234, 72%, 29%)
HSV	hsv(234, 84%, 50%)
CMYK	cmyk(83.6%, 75.8%, 0%, 49.8%)
CIE-LAB	lab(18.79, 33.50, -55.00)
CIE-LCH	lch(18.79, 64.40, 301.34°)
OKLab	oklab(31.38% -0.0029 -0.1594)
OKLCH	oklch(31.38% 0.159 269)
XYZ	xyz(4.6942, 2.6974, 20.6911)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F80 #807615

analogous

#155580 #151F80 #411580

triadic

#151F80 #80151F #1F8015

tetradic

#151F80 #801555 #807615 #158041

square

#151F80 #801555 #807615 #158041

split-complementary

#151F80 #804115 #558015

monochromatic

#04061A #0C124B #151F80 #1E2CB5 #3242DD

Accessibility & contrast

On white

13.64

#151F80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#151F80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F80

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F80	#FFFFFF	#000000	##FFFFFF
##151F80	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003383

Deuteranopia (green-blind)

#00287E

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #151f80;
/* rgb */ color: rgb(21, 31, 128);
/* oklch */ color: oklch(31.4% 0.159 269.0);

Tailwind

colors: {
  custom: {
    50: '#685ba6',
    500: '#151f80',
    950: '#000000',
  },
}

SCSS

$custom: #151f80;
$custom-light: #685ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#151f80",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 128
  },
  "hsl": {
    "h": 234.393,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31379,
    "c": 0.1594,
    "h": 269
  },
  "luminance": 0.02698
}

Semantic roles & 50–950 ramp

primary

#151F80

secondary

#B5AA3C

accent

#DE39EF

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #151F80

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

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