#151D80#151D80

#151D80 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.161 H 269.2°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#151D80
RGB	rgb(21, 29, 128)
HSL	hsl(236, 72%, 29%)
HSV	hsv(236, 84%, 50%)
CMYK	cmyk(83.6%, 77.3%, 0%, 49.8%)
CIE-LAB	lab(18.35, 34.73, -55.73)
CIE-LCH	lch(18.35, 65.67, 301.93°)
OKLab	oklab(31.07% -0.0021 -0.1615)
OKLCH	oklch(31.07% 0.161 269.2)
XYZ	xyz(4.6436, 2.5961, 20.6743)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D80 #807815

analogous

#155380 #151D80 #431580

triadic

#151D80 #80151D #1D8015

tetradic

#151D80 #801553 #807815 #158043

square

#151D80 #801553 #807815 #158043

split-complementary

#151D80 #804315 #538015

monochromatic

#04061A #0C114B #151D80 #1E29B5 #323FDD

Accessibility & contrast

On white

13.82

#151D80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#151D80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D80

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D80	#FFFFFF	#000000	##FFFFFF
##151D80	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003283

Deuteranopia (green-blind)

#00277E

Tritanopia (blue-blind)

#003A4D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #151d80;
/* rgb */ color: rgb(21, 29, 128);
/* oklch */ color: oklch(31.1% 0.161 269.2);

Tailwind

colors: {
  custom: {
    50: '#695aa6',
    500: '#151d80',
    950: '#000000',
  },
}

SCSS

$custom: #151d80;
$custom-light: #695aa6;
$custom-dark: #000000;

JSON

{
  "hex": "#151d80",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 128
  },
  "hsl": {
    "h": 235.514,
    "s": 71.812,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31065,
    "c": 0.16148,
    "h": 269.2
  },
  "luminance": 0.02597
}

Semantic roles & 50–950 ramp

primary

#151D80

secondary

#B5AC3C

accent

#E139EF

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #151D80

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

Preview Lab → · Contrast checker → · Palette generator →