#151C74#151C74

#151C74 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.5% C 0.147 H 270.0°. Best body text is #FFFFFF at 14.48:1 contrast (WCAG AA passes).

Color values

HEX	#151C74
RGB	rgb(21, 28, 116)
HSL	hsl(236, 69%, 27%)
HSV	hsv(236, 82%, 45%)
CMYK	cmyk(81.9%, 75.9%, 0%, 54.5%)
CIE-LAB	lab(16.75, 30.93, -50.70)
CIE-LCH	lch(16.75, 59.39, 301.39°)
OKLab	oklab(29.52% 0.0001 -0.1468)
OKLCH	oklch(29.52% 0.147 270)
XYZ	xyz(3.8758, 2.2505, 16.7497)
Luminance	0.0225 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151C74 #746D15

analogous

#154C74 #151C74 #3E1574

triadic

#151C74 #74151C #1C7415

tetradic

#151C74 #74154C #746D15 #15743E

square

#151C74 #74154C #746D15 #15743E

split-complementary

#151C74 #743E15 #4C7415

monochromatic

#05061A #0C0F40 #151C74 #1E29A8 #2B38D9

Accessibility & contrast

On white

14.48

#151C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#151C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151C74

14.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151C74	#FFFFFF	#000000	##FFFFFF
##151C74	1.00	14.48	1.45	14.48
#FFFFFF	14.48	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E77

Deuteranopia (green-blind)

#002572

Tritanopia (blue-blind)

#003546

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #151c74;
/* rgb */ color: rgb(21, 28, 116);
/* oklch */ color: oklch(29.5% 0.147 270.0);

Tailwind

colors: {
  custom: {
    50: '#65599d',
    500: '#151c74',
    950: '#000000',
  },
}

SCSS

$custom: #151c74;
$custom-light: #65599d;
$custom-dark: #000000;

JSON

{
  "hex": "#151c74",
  "rgb": {
    "r": 21,
    "g": 28,
    "b": 116
  },
  "hsl": {
    "h": 235.579,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.29519,
    "c": 0.14683,
    "h": 270
  },
  "luminance": 0.02251
}

Semantic roles & 50–950 ramp

primary

#151C74

secondary

#AAA23B

accent

#DF3CEC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #151C74

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

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