#151C80#151C80

#151C80 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.9% C 0.163 H 269.4°. Best body text is #FFFFFF at 13.91:1 contrast (WCAG AA passes).

Color values

HEX	#151C80
RGB	rgb(21, 28, 128)
HSL	hsl(236, 72%, 29%)
HSV	hsv(236, 84%, 50%)
CMYK	cmyk(83.6%, 78.1%, 0%, 49.8%)
CIE-LAB	lab(18.13, 35.34, -56.09)
CIE-LCH	lch(18.13, 66.29, 302.22°)
OKLab	oklab(30.91% -0.0018 -0.1625)
OKLCH	oklch(30.91% 0.163 269.4)
XYZ	xyz(4.6195, 2.5479, 20.6662)
Luminance	0.0255 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C80 #807915

analogous

#155280 #151C80 #441580

triadic

#151C80 #80151C #1C8015

tetradic

#151C80 #801552 #807915 #158044

square

#151C80 #801552 #807915 #158044

split-complementary

#151C80 #804415 #528015

monochromatic

#04061A #0C104B #151C80 #1E28B5 #323DDD

Accessibility & contrast

On white

13.91

#151C80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#151C80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C80

13.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C80	#FFFFFF	#000000	##FFFFFF
##151C80	1.00	13.91	1.51	13.91
#FFFFFF	13.91	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003283

Deuteranopia (green-blind)

#00277E

Tritanopia (blue-blind)

#003A4D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #151c80;
/* rgb */ color: rgb(21, 28, 128);
/* oklch */ color: oklch(30.9% 0.163 269.4);

Tailwind

colors: {
  custom: {
    50: '#6959a6',
    500: '#151c80',
    950: '#000000',
  },
}

SCSS

$custom: #151c80;
$custom-light: #6959a6;
$custom-dark: #000000;

JSON

{
  "hex": "#151c80",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 128
  },
  "hsl": {
    "h": 236.075,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30913,
    "c": 0.1625,
    "h": 269.4
  },
  "luminance": 0.02548
}

Semantic roles & 50–950 ramp

primary

#151C80

secondary

#B5AD3C

accent

#E339EF

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #151C80

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

Preview Lab → · Contrast checker → · Palette generator →