#151C52#151C52

#151C52 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.098 H 272.0°. Best body text is #FFFFFF at 15.91:1 contrast (WCAG AA passes).

Color values

HEX	#151C52
RGB	rgb(21, 28, 82)
HSL	hsl(233, 59%, 20%)
HSV	hsv(233, 74%, 32%)
CMYK	cmyk(74.4%, 65.9%, 0%, 67.8%)
CIE-LAB	lab(13.22, 17.54, -33.98)
CIE-LCH	lch(13.22, 38.24, 297.30°)
OKLab	oklab(25.88% 0.0034 -0.098)
OKLCH	oklch(25.88% 0.098 272)
XYZ	xyz(2.2470, 1.5989, 8.1712)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C52 #524B15

analogous

#153A52 #151C52 #2D1552

triadic

#151C52 #52151C #1C5215

tetradic

#151C52 #52153A #524B15 #15522D

square

#151C52 #52153A #524B15 #15522D

split-complementary

#151C52 #522D15 #3A5215

monochromatic

#060818 #090B21 #151C52 #212D83 #2E3DB3

Accessibility & contrast

On white

15.91

#151C52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#151C52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C52

15.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C52	#FFFFFF	#000000	##FFFFFF
##151C52	1.00	15.91	1.32	15.91
#FFFFFF	15.91	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002554

Deuteranopia (green-blind)

#001F51

Tritanopia (blue-blind)

#002A33

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #151c52;
/* rgb */ color: rgb(21, 28, 82);
/* oklch */ color: oklch(25.9% 0.098 272.0);

Tailwind

colors: {
  custom: {
    50: '#5c5883',
    500: '#151c52',
    950: '#000000',
  },
}

SCSS

$custom: #151c52;
$custom-light: #5c5883;
$custom-dark: #000000;

JSON

{
  "hex": "#151c52",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 82
  },
  "hsl": {
    "h": 233.115,
    "s": 59.223,
    "l": 20.196
  },
  "oklch": {
    "l": 0.25884,
    "c": 0.09802,
    "h": 272
  },
  "luminance": 0.01599
}

Semantic roles & 50–950 ramp

primary

#151C52

secondary

#8A8139

accent

#D045E2

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #151C52

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

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