#151A53#151A53

#151A53 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.6% C 0.102 H 272.9°. Best body text is #FFFFFF at 16.10:1 contrast (WCAG AA passes).

Color values

HEX	#151A53
RGB	rgb(21, 26, 83)
HSL	hsl(235, 60%, 20%)
HSV	hsv(235, 75%, 33%)
CMYK	cmyk(74.7%, 68.7%, 0%, 67.5%)
CIE-LAB	lab(12.75, 19.42, -35.43)
CIE-LCH	lch(12.75, 40.40, 298.73°)
OKLab	oklab(25.57% 0.0051 -0.1022)
OKLCH	oklch(25.57% 0.102 272.9)
XYZ	xyz(2.2395, 1.5225, 8.3578)
Luminance	0.0152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A53 #534E15

analogous

#153953 #151A53 #2F1553

triadic

#151A53 #53151A #1A5315

tetradic

#151A53 #531539 #534E15 #15532F

square

#151A53 #531539 #534E15 #15532F

split-complementary

#151A53 #532F15 #395315

monochromatic

#060818 #090B22 #151A53 #212984 #2E39B5

Accessibility & contrast

On white

16.10

#151A53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#151A53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A53

16.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A53	#FFFFFF	#000000	##FFFFFF
##151A53	1.00	16.10	1.30	16.10
#FFFFFF	16.10	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002455

Deuteranopia (green-blind)

#001E52

Tritanopia (blue-blind)

#002933

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #151a53;
/* rgb */ color: rgb(21, 26, 83);
/* oklch */ color: oklch(25.6% 0.102 272.9);

Tailwind

colors: {
  custom: {
    50: '#5c5684',
    500: '#151a53',
    950: '#000000',
  },
}

SCSS

$custom: #151a53;
$custom-light: #5c5684;
$custom-dark: #000000;

JSON

{
  "hex": "#151a53",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 83
  },
  "hsl": {
    "h": 235.161,
    "s": 59.615,
    "l": 20.392
  },
  "oklch": {
    "l": 0.25565,
    "c": 0.10237,
    "h": 272.9
  },
  "luminance": 0.01523
}

Semantic roles & 50–950 ramp

primary

#151A53

secondary

#8B8439

accent

#D645E3

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #151A53

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

Preview Lab → · Contrast checker → · Palette generator →