#181255#181255

#181255 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.5% C 0.115 H 277.7°. Best body text is #FFFFFF at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#181255
RGB	rgb(24, 18, 85)
HSL	hsl(245, 65%, 20%)
HSV	hsv(245, 79%, 33%)
CMYK	cmyk(71.8%, 78.8%, 0%, 66.7%)
CIE-LAB	lab(11.15, 26.15, -39.40)
CIE-LCH	lch(11.15, 47.29, 303.57°)
OKLab	oklab(24.53% 0.0155 -0.1138)
OKLCH	oklch(24.53% 0.115 277.7)
XYZ	xyz(2.2322, 1.2825, 8.7225)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181255 #4F5512

analogous

#122D55 #181255 #391255

triadic

#181255 #551812 #125518

tetradic

#181255 #55122D #4F5512 #125539

square

#181255 #55122D #4F5512 #125539

split-complementary

#181255 #553912 #2D5512

monochromatic

#070519 #0A0722 #181255 #261D88 #3527BA

Accessibility & contrast

On white

16.71

#181255 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#181255 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181255

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181255	#FFFFFF	#000000	##FFFFFF
##181255	1.00	16.71	1.26	16.71
#FFFFFF	16.71	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002057

Deuteranopia (green-blind)

#001B54

Tritanopia (blue-blind)

#002532

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #181255;
/* rgb */ color: rgb(24, 18, 85);
/* oklch */ color: oklch(24.5% 0.115 277.7);

Tailwind

colors: {
  custom: {
    50: '#5f5186',
    500: '#181255',
    950: '#000000',
  },
}

SCSS

$custom: #181255;
$custom-light: #5f5186;
$custom-dark: #000000;

JSON

{
  "hex": "#181255",
  "rgb": {
    "r": 24,
    "g": 18,
    "b": 85
  },
  "hsl": {
    "h": 245.373,
    "s": 65.049,
    "l": 20.196
  },
  "oklch": {
    "l": 0.24534,
    "c": 0.11483,
    "h": 277.7
  },
  "luminance": 0.01283
}

Semantic roles & 50–950 ramp

primary

#181255

secondary

#868E35

accent

#E840D9

background

#F5F4F8

surface

#EAE7EF

border

#C6C3CA

text

#05020B

muted

#79787C

Preview Lab

Preview with #181255

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

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