#151D64#151D64

#151D64 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 27.9% C 0.124 H 270.7°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#151D64
RGB	rgb(21, 29, 100)
HSL	hsl(234, 65%, 24%)
HSV	hsv(234, 79%, 39%)
CMYK	cmyk(79%, 71%, 0%, 60.8%)
CIE-LAB	lab(15.26, 24.09, -42.70)
CIE-LCH	lch(15.26, 49.03, 299.43°)
OKLab	oklab(27.93% 0.0015 -0.1235)
OKLCH	oklch(27.93% 0.124 270.7)
XYZ	xyz(3.0481, 1.9579, 12.2714)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D64 #645C15

analogous

#154464 #151D64 #341564

triadic

#151D64 #64151D #1D6415

tetradic

#151D64 #641544 #645C15 #156434

square

#151D64 #641544 #645C15 #156434

split-complementary

#151D64 #643415 #446415

monochromatic

#050719 #0A0E31 #151D64 #202C97 #2A3AC9

Accessibility & contrast

On white

15.09

#151D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#151D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D64

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D64	#FFFFFF	#000000	##FFFFFF
##151D64	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A66

Deuteranopia (green-blind)

#002363

Tritanopia (blue-blind)

#00303D

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #151d64;
/* rgb */ color: rgb(21, 29, 100);
/* oklch */ color: oklch(27.9% 0.124 270.7);

Tailwind

colors: {
  custom: {
    50: '#615991',
    500: '#151d64',
    950: '#000000',
  },
}

SCSS

$custom: #151d64;
$custom-light: #615991;
$custom-dark: #000000;

JSON

{
  "hex": "#151d64",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 100
  },
  "hsl": {
    "h": 233.924,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.27927,
    "c": 0.12353,
    "h": 270.7
  },
  "luminance": 0.01958
}

Semantic roles & 50–950 ramp

primary

#151D64

secondary

#9B913A

accent

#D740E8

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #151D64

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

Preview Lab → · Contrast checker → · Palette generator →