#151F42#151F42

#151F42 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.067 H 269.1°. Best body text is #FFFFFF at 16.07:1 contrast (WCAG AA passes).

Color values

HEX	#151F42
RGB	rgb(21, 31, 66)
HSL	hsl(227, 52%, 17%)
HSV	hsv(227, 68%, 26%)
CMYK	cmyk(68.2%, 53%, 0%, 74.1%)
CIE-LAB	lab(12.81, 8.64, -23.60)
CIE-LCH	lch(12.81, 25.13, 290.11°)
OKLab	oklab(25.15% -0.001 -0.0674)
OKLCH	oklch(25.15% 0.067 269.1)
XYZ	xyz(1.7823, 1.5326, 5.3551)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F42 #423815

analogous

#153642 #151F42 #221542

triadic

#151F42 #42151F #1F4215

tetradic

#151F42 #421536 #423815 #154222

square

#151F42 #421536 #423815 #154222

split-complementary

#151F42 #422215 #364215

monochromatic

#070B17 #070B17 #151F42 #243570 #334B9F

Accessibility & contrast

On white

16.07

#151F42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#151F42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F42

16.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F42	#FFFFFF	#000000	##FFFFFF
##151F42	1.00	16.07	1.31	16.07
#FFFFFF	16.07	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E2343

Deuteranopia (green-blind)

#071F41

Tritanopia (blue-blind)

#00272D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #151f42;
/* rgb */ color: rgb(21, 31, 66);
/* oklch */ color: oklch(25.2% 0.067 269.1);

Tailwind

colors: {
  custom: {
    50: '#575a76',
    500: '#151f42',
    950: '#000000',
  },
}

SCSS

$custom: #151f42;
$custom-light: #575a76;
$custom-dark: #000000;

JSON

{
  "hex": "#151f42",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 66
  },
  "hsl": {
    "h": 226.667,
    "s": 51.724,
    "l": 17.059
  },
  "oklch": {
    "l": 0.25154,
    "c": 0.0674,
    "h": 269.1
  },
  "luminance": 0.01533
}

Semantic roles & 50–950 ramp

primary

#151F42

secondary

#7A6B39

accent

#BB4DDB

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #151F42

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

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