#151173#151173

#151173 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.8% C 0.156 H 271.6°. Best body text is #FFFFFF at 15.45:1 contrast (WCAG AA passes).

Color values

HEX	#151173
RGB	rgb(21, 17, 115)
HSL	hsl(242, 74%, 26%)
HSV	hsv(242, 85%, 45%)
CMYK	cmyk(81.7%, 85.2%, 0%, 54.9%)
CIE-LAB	lab(14.39, 36.98, -53.96)
CIE-LCH	lch(14.39, 65.42, 304.43°)
OKLab	oklab(27.82% 0.0042 -0.1562)
OKLCH	oklch(27.82% 0.156 271.6)
XYZ	xyz(3.6032, 1.7977, 16.3734)
Luminance	0.0180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#151173 #6F7311

analogous

#113E73 #151173 #461173

triadic

#151173 #731511 #117315

tetradic

#151173 #73113E #6F7311 #117346

square

#151173 #73113E #6F7311 #117346

split-complementary

#151173 #734611 #3E7311

monochromatic

#05041B #0B093E #151173 #1F19A8 #2821DE

Accessibility & contrast

On white

15.45

#151173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#151173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #151173

15.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##151173	#FFFFFF	#000000	##FFFFFF
##151173	1.00	15.45	1.36	15.45
#FFFFFF	15.45	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002976

Deuteranopia (green-blind)

#001F71

Tritanopia (blue-blind)

#003043

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #151173;
/* rgb */ color: rgb(21, 17, 115);
/* oklch */ color: oklch(27.8% 0.156 271.6);

Tailwind

colors: {
  custom: {
    50: '#66529c',
    500: '#151173',
    950: '#000000',
  },
}

SCSS

$custom: #151173;
$custom-light: #66529c;
$custom-dark: #000000;

JSON

{
  "hex": "#151173",
  "rgb": {
    "r": 21,
    "g": 17,
    "b": 115
  },
  "hsl": {
    "h": 242.449,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.27819,
    "c": 0.15623,
    "h": 271.6
  },
  "luminance": 0.01798
}

Semantic roles & 50–950 ramp

primary

#151173

secondary

#A5AA36

accent

#F137E9

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #151173

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

Preview Lab → · Contrast checker → · Palette generator →