#151A6B#151A6B

#151A6B is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.2% C 0.137 H 271.0°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#151A6B
RGB	rgb(21, 26, 107)
HSL	hsl(237, 67%, 25%)
HSV	hsv(237, 80%, 42%)
CMYK	cmyk(80.4%, 75.7%, 0%, 58%)
CIE-LAB	lab(15.27, 28.84, -47.29)
CIE-LCH	lch(15.27, 55.39, 301.38°)
OKLab	oklab(28.16% 0.0024 -0.1369)
OKLCH	oklch(28.16% 0.137 271)
XYZ	xyz(3.3316, 1.9594, 14.1097)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151A6B #6B6615

analogous

#15456B #151A6B #3B156B

triadic

#151A6B #6B151A #1A6B15

tetradic

#151A6B #6B1545 #6B6615 #156B3B

square

#151A6B #6B1545 #6B6615 #156B3B

split-complementary

#151A6B #6B3B15 #456B15

monochromatic

#05061A #0B0E38 #151A6B #1F269E #2933D1

Accessibility & contrast

On white

15.09

#151A6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#151A6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151A6B

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151A6B	#FFFFFF	#000000	##FFFFFF
##151A6B	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6D

Deuteranopia (green-blind)

#00226A

Tritanopia (blue-blind)

#003140

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #151a6b;
/* rgb */ color: rgb(21, 26, 107);
/* oklch */ color: oklch(28.2% 0.137 271.0);

Tailwind

colors: {
  custom: {
    50: '#635796',
    500: '#151a6b',
    950: '#000000',
  },
}

SCSS

$custom: #151a6b;
$custom-light: #635796;
$custom-dark: #000000;

JSON

{
  "hex": "#151a6b",
  "rgb": {
    "r": 21,
    "g": 26,
    "b": 107
  },
  "hsl": {
    "h": 236.512,
    "s": 67.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.2816,
    "c": 0.13693,
    "h": 271
  },
  "luminance": 0.0196
}

Semantic roles & 50–950 ramp

primary

#151A6B

secondary

#A29C3A

accent

#E03EEA

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030D

muted

#7A787E

Preview Lab

Preview with #151A6B

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

Preview Lab → · Contrast checker → · Palette generator →