#181770#181770

#181770 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.4% C 0.146 H 272.6°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#181770
RGB	rgb(24, 23, 112)
HSL	hsl(241, 66%, 26%)
HSV	hsv(241, 79%, 44%)
CMYK	cmyk(78.6%, 79.5%, 0%, 56.1%)
CIE-LAB	lab(15.36, 32.83, -50.39)
CIE-LCH	lch(15.36, 60.15, 303.09°)
OKLab	oklab(28.44% 0.0066 -0.1458)
OKLCH	oklch(28.44% 0.146 272.6)
XYZ	xyz(3.6067, 1.9765, 15.5175)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181770 #6F7017

analogous

#174370 #181770 #451770

triadic

#181770 #701817 #177018

tetradic

#181770 #701743 #6F7017 #177045

square

#181770 #701743 #6F7017 #177045

split-complementary

#181770 #704517 #437017

monochromatic

#050519 #0D0D3D #181770 #2321A3 #2F2DD4

Accessibility & contrast

On white

15.05

#181770 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#181770 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181770

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181770	#FFFFFF	#000000	##FFFFFF
##181770	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B73

Deuteranopia (green-blind)

#00226E

Tritanopia (blue-blind)

#003142

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #181770;
/* rgb */ color: rgb(24, 23, 112);
/* oklch */ color: oklch(28.4% 0.146 272.6);

Tailwind

colors: {
  custom: {
    50: '#66559a',
    500: '#181770',
    950: '#000000',
  },
}

SCSS

$custom: #181770;
$custom-light: #66559a;
$custom-dark: #000000;

JSON

{
  "hex": "#181770",
  "rgb": {
    "r": 24,
    "g": 23,
    "b": 112
  },
  "hsl": {
    "h": 240.674,
    "s": 65.926,
    "l": 26.471
  },
  "oklch": {
    "l": 0.28444,
    "c": 0.146,
    "h": 272.6
  },
  "luminance": 0.01977
}

Semantic roles & 50–950 ramp

primary

#181770

secondary

#A5A63D

accent

#E93FE7

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #181770

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

Preview Lab → · Contrast checker → · Palette generator →