#151E51#151E51

#151E51 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.2% C 0.094 H 270.9°. Best body text is #FFFFFF at 15.71:1 contrast (WCAG AA passes).

Color values

HEX	#151E51
RGB	rgb(21, 30, 81)
HSL	hsl(231, 59%, 20%)
HSV	hsv(231, 74%, 32%)
CMYK	cmyk(74.1%, 63%, 0%, 68.2%)
CIE-LAB	lab(13.72, 15.64, -32.49)
CIE-LCH	lch(13.72, 36.05, 295.70°)
OKLab	oklab(26.23% 0.0015 -0.0935)
OKLCH	oklch(26.23% 0.094 270.9)
XYZ	xyz(2.2582, 1.6818, 7.9886)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151E51 #514815

analogous

#153C51 #151E51 #2A1551

triadic

#151E51 #51151E #1E5115

tetradic

#151E51 #51153C #514815 #15512A

square

#151E51 #51153C #514815 #15512A

split-complementary

#151E51 #512A15 #3C5115

monochromatic

#060918 #080C20 #151E51 #223082 #2E42B2

Accessibility & contrast

On white

15.71

#151E51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#151E51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151E51

15.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151E51	#FFFFFF	#000000	##FFFFFF
##151E51	1.00	15.71	1.34	15.71
#FFFFFF	15.71	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002653

Deuteranopia (green-blind)

#002050

Tritanopia (blue-blind)

#002A34

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #151e51;
/* rgb */ color: rgb(21, 30, 81);
/* oklch */ color: oklch(26.2% 0.094 270.9);

Tailwind

colors: {
  custom: {
    50: '#5b5982',
    500: '#151e51',
    950: '#000000',
  },
}

SCSS

$custom: #151e51;
$custom-light: #5b5982;
$custom-dark: #000000;

JSON

{
  "hex": "#151e51",
  "rgb": {
    "r": 21,
    "g": 30,
    "b": 81
  },
  "hsl": {
    "h": 231,
    "s": 58.824,
    "l": 20
  },
  "oklch": {
    "l": 0.26225,
    "c": 0.09356,
    "h": 270.9
  },
  "luminance": 0.01682
}

Semantic roles & 50–950 ramp

primary

#151E51

secondary

#897D39

accent

#CB46E2

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #151E51

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

Preview Lab → · Contrast checker → · Palette generator →