#151F46#151F46

#151F46 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.5% C 0.074 H 269.7°. Best body text is #FFFFFF at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#151F46
RGB	rgb(21, 31, 70)
HSL	hsl(228, 54%, 18%)
HSV	hsv(228, 70%, 27%)
CMYK	cmyk(70%, 55.7%, 0%, 72.5%)
CIE-LAB	lab(13.12, 10.30, -25.90)
CIE-LCH	lch(13.12, 27.87, 291.69°)
OKLab	oklab(25.48% -0.0004 -0.0742)
OKLCH	oklch(25.48% 0.074 269.7)
XYZ	xyz(1.9044, 1.5814, 5.9981)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151F46 #463C15

analogous

#153746 #151F46 #231546

triadic

#151F46 #46151F #1F4615

tetradic

#151F46 #461537 #463C15 #154623

square

#151F46 #461537 #463C15 #154623

split-complementary

#151F46 #462315 #374615

monochromatic

#070A18 #070A18 #151F46 #233475 #3149A4

Accessibility & contrast

On white

15.95

#151F46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#151F46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151F46

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151F46	#FFFFFF	#000000	##FFFFFF
##151F46	1.00	15.95	1.32	15.95
#FFFFFF	15.95	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2447

Deuteranopia (green-blind)

#022045

Tritanopia (blue-blind)

#00282F

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #151f46;
/* rgb */ color: rgb(21, 31, 70);
/* oklch */ color: oklch(25.5% 0.074 269.7);

Tailwind

colors: {
  custom: {
    50: '#585a7a',
    500: '#151f46',
    950: '#000000',
  },
}

SCSS

$custom: #151f46;
$custom-light: #585a7a;
$custom-dark: #000000;

JSON

{
  "hex": "#151f46",
  "rgb": {
    "r": 21,
    "g": 31,
    "b": 70
  },
  "hsl": {
    "h": 227.755,
    "s": 53.846,
    "l": 17.843
  },
  "oklch": {
    "l": 0.25481,
    "c": 0.07416,
    "h": 269.7
  },
  "luminance": 0.01582
}

Semantic roles & 50–950 ramp

primary

#151F46

secondary

#7E7039

accent

#BF4BDD

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #151F46

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

Preview Lab → · Contrast checker → · Palette generator →