#18215C#18215C

#18215C is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.1% C 0.105 H 271.3°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#18215C
RGB	rgb(24, 33, 92)
HSL	hsl(232, 59%, 23%)
HSV	hsv(232, 74%, 36%)
CMYK	cmyk(73.9%, 64.1%, 0%, 63.9%)
CIE-LAB	lab(15.77, 18.43, -36.56)
CIE-LCH	lch(15.77, 40.94, 296.75°)
OKLab	oklab(28.11% 0.0023 -0.1054)
OKLCH	oklch(28.11% 0.105 271.3)
XYZ	xyz(2.8517, 2.0543, 10.3694)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18215C #5C5318

analogous

#18435C #18215C #31185C

triadic

#18215C #5C1821 #215C18

tetradic

#18215C #5C1843 #5C5318 #185C31

square

#18215C #5C1843 #5C5318 #185C31

split-complementary

#18215C #5C3118 #435C18

monochromatic

#060918 #0B102B #18215C #25328D #3144BD

Accessibility & contrast

On white

14.88

#18215C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#18215C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18215C

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18215C	#FFFFFF	#000000	##FFFFFF
##18215C	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5E

Deuteranopia (green-blind)

#00245B

Tritanopia (blue-blind)

#00303B

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #18215c;
/* rgb */ color: rgb(24, 33, 92);
/* oklch */ color: oklch(28.1% 0.105 271.3);

Tailwind

colors: {
  custom: {
    50: '#5f5c8b',
    500: '#18215c',
    950: '#000000',
  },
}

SCSS

$custom: #18215c;
$custom-light: #5f5c8b;
$custom-dark: #000000;

JSON

{
  "hex": "#18215c",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 92
  },
  "hsl": {
    "h": 232.059,
    "s": 58.621,
    "l": 22.745
  },
  "oklch": {
    "l": 0.28109,
    "c": 0.10543,
    "h": 271.3
  },
  "luminance": 0.02055
}

Semantic roles & 50–950 ramp

primary

#18215C

secondary

#93873D

accent

#CD46E2

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #18215C

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

Preview Lab → · Contrast checker → · Palette generator →