#151D53#151D53

#151D53 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.2% C 0.098 H 271.4°. Best body text is #FFFFFF at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#151D53
RGB	rgb(21, 29, 83)
HSL	hsl(232, 60%, 20%)
HSV	hsv(232, 75%, 33%)
CMYK	cmyk(74.7%, 65.1%, 0%, 67.5%)
CIE-LAB	lab(13.61, 17.21, -34.03)
CIE-LCH	lch(13.61, 38.13, 296.82°)
OKLab	oklab(26.2% 0.0025 -0.0981)
OKLCH	oklch(26.2% 0.098 271.4)
XYZ	xyz(2.3094, 1.6625, 8.3811)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D53 #534B15

analogous

#153C53 #151D53 #2C1553

triadic

#151D53 #53151D #1D5315

tetradic

#151D53 #53153C #534B15 #15532C

square

#151D53 #53153C #534B15 #15532C

split-complementary

#151D53 #532C15 #3C5315

monochromatic

#060918 #090C22 #151D53 #212E84 #2E3FB5

Accessibility & contrast

On white

15.76

#151D53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#151D53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D53

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D53	#FFFFFF	#000000	##FFFFFF
##151D53	1.00	15.76	1.33	15.76
#FFFFFF	15.76	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002655

Deuteranopia (green-blind)

#002052

Tritanopia (blue-blind)

#002A34

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #151d53;
/* rgb */ color: rgb(21, 29, 83);
/* oklch */ color: oklch(26.2% 0.098 271.4);

Tailwind

colors: {
  custom: {
    50: '#5c5884',
    500: '#151d53',
    950: '#000000',
  },
}

SCSS

$custom: #151d53;
$custom-light: #5c5884;
$custom-dark: #000000;

JSON

{
  "hex": "#151d53",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 83
  },
  "hsl": {
    "h": 232.258,
    "s": 59.615,
    "l": 20.392
  },
  "oklch": {
    "l": 0.26196,
    "c": 0.09814,
    "h": 271.4
  },
  "luminance": 0.01663
}

Semantic roles & 50–950 ramp

primary

#151D53

secondary

#8B8039

accent

#CE45E3

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #151D53

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

Preview Lab → · Contrast checker → · Palette generator →