#151D9E#151D9E

#151D9E is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.7% C 0.198 H 267.9°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#151D9E
RGB	rgb(21, 29, 158)
HSL	hsl(236, 77%, 35%)
HSV	hsv(236, 87%, 62%)
CMYK	cmyk(86.7%, 81.6%, 0%, 38%)
CIE-LAB	lab(21.97, 45.12, -68.41)
CIE-LCH	lch(21.97, 81.95, 303.40°)
OKLab	oklab(34.66% -0.0072 -0.1982)
OKLCH	oklch(34.66% 0.198 267.9)
XYZ	xyz(6.9181, 3.5059, 32.6532)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151D9E #9E9615

analogous

#15629E #151D9E #51159E

triadic

#151D9E #9E151D #1D9E15

tetradic

#151D9E #9E1562 #9E9615 #159E51

square

#151D9E #9E1562 #9E9615 #159E51

split-complementary

#151D9E #9E5115 #629E15

monochromatic

#070932 #0E1368 #151D9E #1C27D4 #4750E7

Accessibility & contrast

On white

12.34

#151D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#151D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151D9E

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151D9E	#FFFFFF	#000000	##FFFFFF
##151D9E	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA2

Deuteranopia (green-blind)

#002D9C

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #151d9e;
/* rgb */ color: rgb(21, 29, 158);
/* oklch */ color: oklch(34.7% 0.198 267.9);

Tailwind

colors: {
  custom: {
    50: '#715cbc',
    500: '#151d9e',
    950: '#000000',
  },
}

SCSS

$custom: #151d9e;
$custom-light: #715cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#151d9e",
  "rgb": {
    "r": 21,
    "g": 29,
    "b": 158
  },
  "hsl": {
    "h": 236.496,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34663,
    "c": 0.19833,
    "h": 267.9
  },
  "luminance": 0.03507
}

Semantic roles & 50–950 ramp

primary

#151D9E

secondary

#C7C047

accent

#E835F3

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #151D9E

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

Preview Lab → · Contrast checker → · Palette generator →