#151D63#151D63

#151D63 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.8% C 0.122 H 270.8°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#151D63
RGB	rgb(21, 29, 99)
HSL	hsl(234, 65%, 24%)
HSV	hsv(234, 79%, 39%)
CMYK	cmyk(78.8%, 70.7%, 0%, 61.2%)
CIE-LAB	lab(15.16, 23.69, -42.21)
CIE-LCH	lch(15.16, 48.41, 299.31°)
OKLab	oklab(27.82% 0.0016 -0.1221)
OKLCH	oklch(27.82% 0.122 270.8)
XYZ	xyz(3.0000, 1.9387, 12.0181)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D63 #635B15

analogous

#154463 #151D63 #341563

triadic

#151D63 #63151D #1D6315

tetradic

#151D63 #631544 #635B15 #156334

square

#151D63 #631544 #635B15 #156334

split-complementary

#151D63 #633415 #446315

monochromatic

#050719 #0A0E31 #151D63 #202C95 #2A3BC8

Accessibility & contrast

On white

15.13

#151D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#151D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D63

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D63	#FFFFFF	#000000	##FFFFFF
##151D63	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A65

Deuteranopia (green-blind)

#002262

Tritanopia (blue-blind)

#00303D

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #151d63;
/* rgb */ color: rgb(21, 29, 99);
/* oklch */ color: oklch(27.8% 0.122 270.8);

Tailwind

colors: {
  custom: {
    50: '#605990',
    500: '#151d63',
    950: '#000000',
  },
}

SCSS

$custom: #151d63;
$custom-light: #605990;
$custom-dark: #000000;

JSON

{
  "hex": "#151d63",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 99
  },
  "hsl": {
    "h": 233.846,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27821,
    "c": 0.12209,
    "h": 270.8
  },
  "luminance": 0.01939
}

Semantic roles & 50–950 ramp

primary

#151D63

secondary

#9A903A

accent

#D740E8

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030D

muted

#7A787D

Preview Lab

Preview with #151D63

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

Preview Lab → · Contrast checker → · Palette generator →