#151A51#151A51

#151A51 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.4% C 0.099 H 273.0°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).

Color values

HEX	#151A51
RGB	rgb(21, 26, 81)
HSL	hsl(235, 59%, 20%)
HSV	hsv(235, 74%, 32%)
CMYK	cmyk(74.1%, 67.9%, 0%, 68.2%)
CIE-LAB	lab(12.56, 18.61, -34.38)
CIE-LCH	lch(12.56, 39.09, 298.42°)
OKLab	oklab(25.36% 0.0052 -0.0992)
OKLCH	oklch(25.36% 0.099 273)
XYZ	xyz(2.1634, 1.4921, 7.9570)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A51 #514C15

analogous

#153851 #151A51 #2E1551

triadic

#151A51 #51151A #1A5115

tetradic

#151A51 #511538 #514C15 #15512E

square

#151A51 #511538 #514C15 #15512E

split-complementary

#151A51 #512E15 #385115

monochromatic

#060818 #080A20 #151A51 #222A82 #2E39B2

Accessibility & contrast

On white

16.17

#151A51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#151A51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A51

16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A51	#FFFFFF	#000000	##FFFFFF
##151A51	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)

#002353

Deuteranopia (green-blind)

#001E50

Tritanopia (blue-blind)

#002832

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #151a51;
/* rgb */ color: rgb(21, 26, 81);
/* oklch */ color: oklch(25.4% 0.099 273.0);

Tailwind

colors: {
  custom: {
    50: '#5c5682',
    500: '#151a51',
    950: '#000000',
  },
}

SCSS

$custom: #151a51;
$custom-light: #5c5682;
$custom-dark: #000000;

JSON

{
  "hex": "#151a51",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 81
  },
  "hsl": {
    "h": 235,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.25364,
    "c": 0.0993,
    "h": 273
  },
  "luminance": 0.01492
}

Semantic roles & 50–950 ramp

primary

#151A51

secondary

#898239

accent

#D546E2

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #151A51

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

Preview Lab → · Contrast checker → · Palette generator →