#151773#151773

#151773 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.6% C 0.151 H 270.9°. Best body text is #FFFFFF at 14.98:1 contrast (WCAG AA passes).

Color values

HEX	#151773
RGB	rgb(21, 23, 115)
HSL	hsl(239, 69%, 27%)
HSV	hsv(239, 82%, 45%)
CMYK	cmyk(81.7%, 80%, 0%, 54.9%)
CIE-LAB	lab(15.54, 33.66, -52.06)
CIE-LCH	lch(15.54, 61.99, 302.89°)
OKLab	oklab(28.62% 0.0023 -0.1507)
OKLCH	oklch(28.62% 0.151 270.9)
XYZ	xyz(3.7091, 2.0096, 16.4087)
Luminance	0.0201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151773 #737115

analogous

#154673 #151773 #421573

triadic

#151773 #731517 #177315

tetradic

#151773 #731546 #737115 #157342

square

#151773 #731546 #737115 #157342

split-complementary

#151773 #734215 #467315

monochromatic

#05051A #0C0D3F #151773 #1E21A7 #2A2ED8

Accessibility & contrast

On white

14.98

#151773 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#151773 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151773

14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151773	#FFFFFF	#000000	##FFFFFF
##151773	1.00	14.98	1.40	14.98
#FFFFFF	14.98	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B76

Deuteranopia (green-blind)

#002271

Tritanopia (blue-blind)

#003344

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #151773;
/* rgb */ color: rgb(21, 23, 115);
/* oklch */ color: oklch(28.6% 0.151 270.9);

Tailwind

colors: {
  custom: {
    50: '#66559c',
    500: '#151773',
    950: '#000000',
  },
}

SCSS

$custom: #151773;
$custom-light: #66559c;
$custom-dark: #000000;

JSON

{
  "hex": "#151773",
  "rgb": {
    "r": 21,
    "g": 23,
    "b": 115
  },
  "hsl": {
    "h": 238.723,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.28623,
    "c": 0.15076,
    "h": 270.9
  },
  "luminance": 0.0201
}

Semantic roles & 50–950 ramp

primary

#151773

secondary

#A9A73B

accent

#E83CEC

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #151773

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

Preview Lab → · Contrast checker → · Palette generator →