#151A7D#151A7D

#151A7D is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.161 H 269.8°. Best body text is #FFFFFF at 14.23:1 contrast (WCAG AA passes).

Color values

HEX	#151A7D
RGB	rgb(21, 26, 125)
HSL	hsl(237, 71%, 29%)
HSV	hsv(237, 83%, 49%)
CMYK	cmyk(83.2%, 79.2%, 0%, 51%)
CIE-LAB	lab(17.36, 35.46, -55.46)
CIE-LCH	lch(17.36, 65.83, 302.59°)
OKLab	oklab(30.26% -0.0006 -0.1606)
OKLCH	oklch(30.26% 0.161 269.8)
XYZ	xyz(4.3791, 2.3784, 19.6263)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A7D #7D7815

analogous

#154E7D #151A7D #44157D

triadic

#151A7D #7D151A #1A7D15

tetradic

#151A7D #7D154E #7D7815 #157D44

square

#151A7D #7D154E #7D7815 #157D44

split-complementary

#151A7D #7D4415 #4E7D15

monochromatic

#04051A #0C0F49 #151A7D #1E25B1 #3038DC

Accessibility & contrast

On white

14.23

#151A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#151A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A7D

14.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A7D	#FFFFFF	#000000	##FFFFFF
##151A7D	1.00	14.23	1.48	14.23
#FFFFFF	14.23	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003080

Deuteranopia (green-blind)

#00257B

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #151a7d;
/* rgb */ color: rgb(21, 26, 125);
/* oklch */ color: oklch(30.3% 0.161 269.8);

Tailwind

colors: {
  custom: {
    50: '#6858a4',
    500: '#151a7d',
    950: '#000000',
  },
}

SCSS

$custom: #151a7d;
$custom-light: #6858a4;
$custom-dark: #000000;

JSON

{
  "hex": "#151a7d",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 125
  },
  "hsl": {
    "h": 237.115,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30261,
    "c": 0.16065,
    "h": 269.8
  },
  "luminance": 0.02379
}

Semantic roles & 50–950 ramp

primary

#151A7D

secondary

#B2AC3C

accent

#E53AEE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07030F

muted

#7A787F

Preview Lab

Preview with #151A7D

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

Preview Lab → · Contrast checker → · Palette generator →