#151966#151966

#151966 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.4% C 0.131 H 271.6°. Best body text is #FFFFFF at 15.41:1 contrast (WCAG AA passes).

Color values

HEX	#151966
RGB	rgb(21, 25, 102)
HSL	hsl(237, 66%, 24%)
HSV	hsv(237, 79%, 40%)
CMYK	cmyk(79.4%, 75.5%, 0%, 60%)
CIE-LAB	lab(14.48, 27.60, -45.32)
CIE-LCH	lch(14.48, 53.06, 301.34°)
OKLab	oklab(27.42% 0.0037 -0.1312)
OKLCH	oklch(27.42% 0.131 271.6)
XYZ	xyz(3.0544, 1.8137, 12.7569)
Luminance	0.0181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151966 #666215

analogous

#154266 #151966 #3A1566

triadic

#151966 #661519 #196615

tetradic

#151966 #661542 #666215 #15663A

square

#151966 #661542 #666215 #15663A

split-complementary

#151966 #663A15 #426615

monochromatic

#050619 #0B0D33 #151966 #1F2599 #2A32CC

Accessibility & contrast

On white

15.41

#151966 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#151966 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151966

15.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151966	#FFFFFF	#000000	##FFFFFF
##151966	1.00	15.41	1.36	15.41
#FFFFFF	15.41	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002868

Deuteranopia (green-blind)

#002165

Tritanopia (blue-blind)

#002F3D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #151966;
/* rgb */ color: rgb(21, 25, 102);
/* oklch */ color: oklch(27.4% 0.131 271.6);

Tailwind

colors: {
  custom: {
    50: '#625693',
    500: '#151966',
    950: '#000000',
  },
}

SCSS

$custom: #151966;
$custom-light: #625693;
$custom-dark: #000000;

JSON

{
  "hex": "#151966",
  "rgb": {
    "r": 21,
    "g": 25,
    "b": 102
  },
  "hsl": {
    "h": 237.037,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.27423,
    "c": 0.13121,
    "h": 271.6
  },
  "luminance": 0.01814
}

Semantic roles & 50–950 ramp

primary

#151966

secondary

#9D983A

accent

#E03FE9

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #151966

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

Preview Lab → · Contrast checker → · Palette generator →