#151F53#151F53

#151F53 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.6% C 0.095 H 270.3°. Best body text is #FFFFFF at 15.52:1 contrast (WCAG AA passes).

Color values

HEX	#151F53
RGB	rgb(21, 31, 83)
HSL	hsl(230, 60%, 20%)
HSV	hsv(230, 75%, 33%)
CMYK	cmyk(74.7%, 62.7%, 0%, 67.5%)
CIE-LAB	lab(14.19, 15.72, -33.07)
CIE-LCH	lch(14.19, 36.62, 295.42°)
OKLab	oklab(26.64% 0.0006 -0.0953)
OKLCH	oklch(26.64% 0.095 270.3)
XYZ	xyz(2.3600, 1.7637, 8.3980)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F53 #534915

analogous

#153E53 #151F53 #2A1553

triadic

#151F53 #53151F #1F5315

tetradic

#151F53 #53153E #534915 #15532A

square

#151F53 #53153E #534915 #15532A

split-complementary

#151F53 #532A15 #3E5315

monochromatic

#060918 #090D22 #151F53 #213184 #2E43B5

Accessibility & contrast

On white

15.52

#151F53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#151F53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F53

15.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F53	#FFFFFF	#000000	##FFFFFF
##151F53	1.00	15.52	1.35	15.52
#FFFFFF	15.52	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002755

Deuteranopia (green-blind)

#002152

Tritanopia (blue-blind)

#002C35

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #151f53;
/* rgb */ color: rgb(21, 31, 83);
/* oklch */ color: oklch(26.6% 0.095 270.3);

Tailwind

colors: {
  custom: {
    50: '#5c5a84',
    500: '#151f53',
    950: '#000000',
  },
}

SCSS

$custom: #151f53;
$custom-light: #5c5a84;
$custom-dark: #000000;

JSON

{
  "hex": "#151f53",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 83
  },
  "hsl": {
    "h": 230.323,
    "s": 59.615,
    "l": 20.392
  },
  "oklch": {
    "l": 0.26635,
    "c": 0.09527,
    "h": 270.3
  },
  "luminance": 0.01764
}

Semantic roles & 50–950 ramp

primary

#151F53

secondary

#8B7E39

accent

#C945E3

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #151F53

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

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