#151D66#151D66

#151D66 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.1% C 0.126 H 270.6°. Best body text is #FFFFFF at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#151D66
RGB	rgb(21, 29, 102)
HSL	hsl(234, 66%, 24%)
HSV	hsv(234, 79%, 40%)
CMYK	cmyk(79.4%, 71.6%, 0%, 60%)
CIE-LAB	lab(15.47, 24.88, -43.68)
CIE-LCH	lch(15.47, 50.27, 299.67°)
OKLab	oklab(28.14% 0.0013 -0.1264)
OKLCH	oklch(28.14% 0.126 270.6)
XYZ	xyz(3.1461, 1.9971, 12.7875)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D66 #665E15

analogous

#154666 #151D66 #361566

triadic

#151D66 #66151D #1D6615

tetradic

#151D66 #661546 #665E15 #156636

square

#151D66 #661546 #665E15 #156636

split-complementary

#151D66 #663615 #466615

monochromatic

#050719 #0B0F33 #151D66 #1F2B99 #2A3ACC

Accessibility & contrast

On white

15.01

#151D66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#151D66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D66

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D66	#FFFFFF	#000000	##FFFFFF
##151D66	1.00	15.01	1.40	15.01
#FFFFFF	15.01	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B68

Deuteranopia (green-blind)

#002365

Tritanopia (blue-blind)

#00313E

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #151d66;
/* rgb */ color: rgb(21, 29, 102);
/* oklch */ color: oklch(28.1% 0.126 270.6);

Tailwind

colors: {
  custom: {
    50: '#615992',
    500: '#151d66',
    950: '#000000',
  },
}

SCSS

$custom: #151d66;
$custom-light: #615992;
$custom-dark: #000000;

JSON

{
  "hex": "#151d66",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 102
  },
  "hsl": {
    "h": 234.074,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.28141,
    "c": 0.12639,
    "h": 270.6
  },
  "luminance": 0.01997
}

Semantic roles & 50–950 ramp

primary

#151D66

secondary

#9D933A

accent

#D83FE9

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #151D66

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

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