#151C61#151C61

#151C61 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.4% C 0.120 H 271.2°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#151C61
RGB	rgb(21, 28, 97)
HSL	hsl(234, 64%, 23%)
HSV	hsv(234, 78%, 38%)
CMYK	cmyk(78.4%, 71.1%, 0%, 62%)
CIE-LAB	lab(14.69, 23.60, -41.65)
CIE-LCH	lch(14.69, 47.87, 299.54°)
OKLab	oklab(27.42% 0.0025 -0.1204)
OKLCH	oklch(27.42% 0.12 271.2)
XYZ	xyz(2.8815, 1.8527, 11.5127)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C61 #615A15

analogous

#154261 #151C61 #341561

triadic

#151C61 #61151C #1C6115

tetradic

#151C61 #611542 #615A15 #156134

square

#151C61 #611542 #615A15 #156134

split-complementary

#151C61 #613415 #426115

monochromatic

#050719 #0A0D2F #151C61 #202B93 #2B39C6

Accessibility & contrast

On white

15.32

#151C61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#151C61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C61

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C61	#FFFFFF	#000000	##FFFFFF
##151C61	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002963

Deuteranopia (green-blind)

#002160

Tritanopia (blue-blind)

#002E3B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #151c61;
/* rgb */ color: rgb(21, 28, 97);
/* oklch */ color: oklch(27.4% 0.120 271.2);

Tailwind

colors: {
  custom: {
    50: '#60588f',
    500: '#151c61',
    950: '#000000',
  },
}

SCSS

$custom: #151c61;
$custom-light: #60588f;
$custom-dark: #000000;

JSON

{
  "hex": "#151c61",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 97
  },
  "hsl": {
    "h": 234.474,
    "s": 64.407,
    "l": 23.137
  },
  "oklch": {
    "l": 0.27418,
    "c": 0.12048,
    "h": 271.2
  },
  "luminance": 0.01853
}

Semantic roles & 50–950 ramp

primary

#151C61

secondary

#988F3A

accent

#D840E7

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030C

muted

#7A787D

Preview Lab

Preview with #151C61

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

Preview Lab → · Contrast checker → · Palette generator →