#181577#181577

#181577 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.157 H 272.1°. Best body text is #FFFFFF at 14.87:1 contrast (WCAG AA passes).

Color values

HEX	#181577
RGB	rgb(24, 21, 119)
HSL	hsl(242, 70%, 27%)
HSV	hsv(242, 82%, 47%)
CMYK	cmyk(79.8%, 82.4%, 0%, 53.3%)
CIE-LAB	lab(15.81, 36.42, -54.18)
CIE-LCH	lch(15.81, 65.29, 303.91°)
OKLab	oklab(29.01% 0.0058 -0.1568)
OKLCH	oklch(29.01% 0.157 272.1)
XYZ	xyz(3.9735, 2.0620, 17.6378)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181577 #747715

analogous

#154377 #181577 #491577

triadic

#181577 #771815 #157718

tetradic

#181577 #771543 #747715 #157749

square

#181577 #771543 #747715 #157749

split-complementary

#181577 #774915 #437715

monochromatic

#05051A #0E0C43 #181577 #221EAB #322DDA

Accessibility & contrast

On white

14.87

#181577 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#181577 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181577

14.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181577	#FFFFFF	#000000	##FFFFFF
##181577	1.00	14.87	1.41	14.87
#FFFFFF	14.87	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C7A

Deuteranopia (green-blind)

#002275

Tritanopia (blue-blind)

#003346

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #181577;
/* rgb */ color: rgb(24, 21, 119);
/* oklch */ color: oklch(29.0% 0.157 272.1);

Tailwind

colors: {
  custom: {
    50: '#68559f',
    500: '#181577',
    950: '#000000',
  },
}

SCSS

$custom: #181577;
$custom-light: #68559f;
$custom-dark: #000000;

JSON

{
  "hex": "#181577",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 119
  },
  "hsl": {
    "h": 241.837,
    "s": 70,
    "l": 27.451
  },
  "oklch": {
    "l": 0.29005,
    "c": 0.15692,
    "h": 272.1
  },
  "luminance": 0.02062
}

Semantic roles & 50–950 ramp

primary

#181577

secondary

#A9AD3B

accent

#ED3BE7

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030F

muted

#7A787E

Preview Lab

Preview with #181577

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

Preview Lab → · Contrast checker → · Palette generator →