#151779#151779

#151779 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.3% C 0.158 H 270.4°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#151779
RGB	rgb(21, 23, 121)
HSL	hsl(239, 70%, 28%)
HSV	hsv(239, 83%, 47%)
CMYK	cmyk(82.6%, 81%, 0%, 52.5%)
CIE-LAB	lab(16.27, 35.78, -54.71)
CIE-LCH	lch(16.27, 65.38, 303.19°)
OKLab	oklab(29.35% 0.0011 -0.1584)
OKLCH	oklch(29.35% 0.158 270.4)
XYZ	xyz(4.0657, 2.1522, 18.2866)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151779 #797715

analogous

#154979 #151779 #451579

triadic

#151779 #791517 #177915

tetradic

#151779 #791549 #797715 #157945

square

#151779 #791549 #797715 #157945

split-complementary

#151779 #794515 #497915

monochromatic

#05051A #0C0D45 #151779 #1E21AD #2E31DB

Accessibility & contrast

On white

14.68

#151779 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#151779 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151779

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151779	#FFFFFF	#000000	##FFFFFF
##151779	1.00	14.68	1.43	14.68
#FFFFFF	14.68	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7C

Deuteranopia (green-blind)

#002377

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #151779;
/* rgb */ color: rgb(21, 23, 121);
/* oklch */ color: oklch(29.3% 0.158 270.4);

Tailwind

colors: {
  custom: {
    50: '#6756a1',
    500: '#151779',
    950: '#000000',
  },
}

SCSS

$custom: #151779;
$custom-light: #6756a1;
$custom-dark: #000000;

JSON

{
  "hex": "#151779",
  "rgb": {
    "r": 21,
    "g": 23,
    "b": 121
  },
  "hsl": {
    "h": 238.8,
    "s": 70.423,
    "l": 27.843
  },
  "oklch": {
    "l": 0.2935,
    "c": 0.15845,
    "h": 270.4
  },
  "luminance": 0.02153
}

Semantic roles & 50–950 ramp

primary

#151779

secondary

#AFAC3B

accent

#EA3BED

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #151779

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

Preview Lab → · Contrast checker → · Palette generator →