#151C63#151C63

#151C63 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.6% C 0.123 H 271.1°. Best body text is #FFFFFF at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#151C63
RGB	rgb(21, 28, 99)
HSL	hsl(235, 65%, 24%)
HSV	hsv(235, 79%, 39%)
CMYK	cmyk(78.8%, 71.7%, 0%, 61.2%)
CIE-LAB	lab(14.90, 24.39, -42.64)
CIE-LCH	lch(14.90, 49.12, 299.77°)
OKLab	oklab(27.63% 0.0023 -0.1233)
OKLCH	oklch(27.63% 0.123 271.1)
XYZ	xyz(2.9759, 1.8905, 12.0100)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C63 #635C15

analogous

#154363 #151C63 #351563

triadic

#151C63 #63151C #1C6315

tetradic

#151C63 #631543 #635C15 #156335

square

#151C63 #631543 #635C15 #156335

split-complementary

#151C63 #633515 #436315

monochromatic

#050719 #0A0E31 #151C63 #202A95 #2A39C8

Accessibility & contrast

On white

15.24

#151C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#151C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C63

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C63	#FFFFFF	#000000	##FFFFFF
##151C63	1.00	15.24	1.38	15.24
#FFFFFF	15.24	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002965

Deuteranopia (green-blind)

#002262

Tritanopia (blue-blind)

#002F3D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #151c63;
/* rgb */ color: rgb(21, 28, 99);
/* oklch */ color: oklch(27.6% 0.123 271.1);

Tailwind

colors: {
  custom: {
    50: '#605890',
    500: '#151c63',
    950: '#000000',
  },
}

SCSS

$custom: #151c63;
$custom-light: #605890;
$custom-dark: #000000;

JSON

{
  "hex": "#151c63",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 99
  },
  "hsl": {
    "h": 234.615,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27631,
    "c": 0.12336,
    "h": 271.1
  },
  "luminance": 0.01891
}

Semantic roles & 50–950 ramp

primary

#151C63

secondary

#9A913A

accent

#D940E8

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030D

muted

#7A787D

Preview Lab

Preview with #151C63

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

Preview Lab → · Contrast checker → · Palette generator →