#151F6A#151F6A

#151F6A is a dark, vivid blue. Relative luminance 0.022; OKLCH L 28.9% C 0.130 H 269.9°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#151F6A
RGB	rgb(21, 31, 106)
HSL	hsl(233, 67%, 25%)
HSV	hsv(233, 80%, 42%)
CMYK	cmyk(80.2%, 70.8%, 0%, 58.4%)
CIE-LAB	lab(16.40, 25.08, -44.78)
CIE-LCH	lch(16.40, 51.32, 299.25°)
OKLab	oklab(28.94% -0.0003 -0.1296)
OKLCH	oklch(28.94% 0.13 269.9)
XYZ	xyz(3.3999, 2.1796, 13.8744)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F6A #6A6015

analogous

#154A6A #151F6A #35156A

triadic

#151F6A #6A151F #1F6A15

tetradic

#151F6A #6A154A #6A6015 #156A35

square

#151F6A #6A154A #6A6015 #156A35

split-complementary

#151F6A #6A3515 #4A6A15

monochromatic

#05071A #0B1037 #151F6A #1F2E9D #293DD0

Accessibility & contrast

On white

14.62

#151F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#151F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F6A

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F6A	#FFFFFF	#000000	##FFFFFF
##151F6A	1.00	14.62	1.44	14.62
#FFFFFF	14.62	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D6C

Deuteranopia (green-blind)

#002569

Tritanopia (blue-blind)

#003341

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #151f6a;
/* rgb */ color: rgb(21, 31, 106);
/* oklch */ color: oklch(28.9% 0.130 269.9);

Tailwind

colors: {
  custom: {
    50: '#625a95',
    500: '#151f6a',
    950: '#000000',
  },
}

SCSS

$custom: #151f6a;
$custom-light: #625a95;
$custom-dark: #000000;

JSON

{
  "hex": "#151f6a",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 106
  },
  "hsl": {
    "h": 232.941,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.28944,
    "c": 0.12957,
    "h": 269.9
  },
  "luminance": 0.0218
}

Semantic roles & 50–950 ramp

primary

#151F6A

secondary

#A1953A

accent

#D63EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #151F6A

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

Preview Lab → · Contrast checker → · Palette generator →