#18215D#18215D

#18215D is a dark, moderate blue. Relative luminance 0.021; OKLCH L 28.2% C 0.107 H 271.2°. Best body text is #FFFFFF at 14.85:1 contrast (WCAG AA passes).

Color values

HEX	#18215D
RGB	rgb(24, 33, 93)
HSL	hsl(232, 59%, 23%)
HSV	hsv(232, 74%, 36%)
CMYK	cmyk(74.2%, 64.5%, 0%, 63.5%)
CIE-LAB	lab(15.86, 18.83, -37.08)
CIE-LCH	lch(15.86, 41.59, 296.93°)
OKLab	oklab(28.2% 0.0023 -0.1069)
OKLCH	oklch(28.2% 0.107 271.2)
XYZ	xyz(2.8957, 2.0719, 10.6011)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18215D #5D5418

analogous

#18435D #18215D #31185D

triadic

#18215D #5D1821 #215D18

tetradic

#18215D #5D1843 #5D5418 #185D31

square

#18215D #5D1843 #5D5418 #185D31

split-complementary

#18215D #5D3118 #435D18

monochromatic

#060918 #0B102C #18215D #25328E #3144BE

Accessibility & contrast

On white

14.85

#18215D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#18215D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18215D

14.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18215D	#FFFFFF	#000000	##FFFFFF
##18215D	1.00	14.85	1.41	14.85
#FFFFFF	14.85	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B5F

Deuteranopia (green-blind)

#00245C

Tritanopia (blue-blind)

#00303B

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #18215d;
/* rgb */ color: rgb(24, 33, 93);
/* oklch */ color: oklch(28.2% 0.107 271.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#18215d",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 93
  },
  "hsl": {
    "h": 232.174,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.28204,
    "c": 0.10696,
    "h": 271.2
  },
  "luminance": 0.02072
}

Semantic roles & 50–950 ramp

primary

#18215D

secondary

#93883D

accent

#CE46E2

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05040C

muted

#79797D

Preview Lab

Preview with #18215D

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

Preview Lab → · Contrast checker → · Palette generator →