#151D47#151D47

#151D47 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.1% C 0.079 H 271.5°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).

Color values

HEX	#151D47
RGB	rgb(21, 29, 71)
HSL	hsl(230, 54%, 18%)
HSV	hsv(230, 70%, 28%)
CMYK	cmyk(70.4%, 59.2%, 0%, 72.2%)
CIE-LAB	lab(12.56, 12.24, -27.49)
CIE-LCH	lch(12.56, 30.09, 294.00°)
OKLab	oklab(25.09% 0.002 -0.0789)
OKLCH	oklch(25.09% 0.079 271.5)
XYZ	xyz(1.8856, 1.4929, 6.1488)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D47 #473F15

analogous

#153647 #151D47 #261547

triadic

#151D47 #47151D #1D4715

tetradic

#151D47 #471536 #473F15 #154726

square

#151D47 #471536 #473F15 #154726

split-complementary

#151D47 #472615 #364715

monochromatic

#070A18 #070A18 #151D47 #233076 #3144A5

Accessibility & contrast

On white

16.17

#151D47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#151D47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D47

16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D47	#FFFFFF	#000000	##FFFFFF
##151D47	1.00	16.17	1.30	16.17
#FFFFFF	16.17	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#042348

Deuteranopia (green-blind)

#001F46

Tritanopia (blue-blind)

#00272E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #151d47;
/* rgb */ color: rgb(21, 29, 71);
/* oklch */ color: oklch(25.1% 0.079 271.5);

Tailwind

colors: {
  custom: {
    50: '#59587a',
    500: '#151d47',
    950: '#000000',
  },
}

SCSS

$custom: #151d47;
$custom-light: #59587a;
$custom-dark: #000000;

JSON

{
  "hex": "#151d47",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 71
  },
  "hsl": {
    "h": 230.4,
    "s": 54.348,
    "l": 18.039
  },
  "oklch": {
    "l": 0.25088,
    "c": 0.07889,
    "h": 271.5
  },
  "luminance": 0.01493
}

Semantic roles & 50–950 ramp

primary

#151D47

secondary

#7F7439

accent

#C64ADE

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #151D47

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

Preview Lab → · Contrast checker → · Palette generator →