#18218F#18218F

#18218F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.6% C 0.176 H 269.1°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#18218F
RGB	rgb(24, 33, 143)
HSL	hsl(235, 71%, 33%)
HSV	hsv(235, 83%, 56%)
CMYK	cmyk(83.2%, 76.9%, 0%, 43.9%)
CIE-LAB	lab(21.07, 37.92, -60.64)
CIE-LCH	lch(21.07, 71.52, 302.02°)
OKLab	oklab(33.55% -0.0028 -0.1757)
OKLCH	oklch(33.55% 0.176 269.1)
XYZ	xyz(5.8768, 3.2644, 26.3016)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18218F #8F8618

analogous

#185D8F #18218F #4A188F

triadic

#18218F #8F1821 #218F18

tetradic

#18218F #8F185D #8F8618 #188F4A

square

#18218F #8F185D #8F8618 #188F4A

split-complementary

#18218F #8F4A18 #5D8F18

monochromatic

#060926 #0F155B #18218F #212DC3 #424EDF

Accessibility & contrast

On white

12.70

#18218F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#18218F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18218F

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18218F	#FFFFFF	#000000	##FFFFFF
##18218F	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#002D8D

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #18218f;
/* rgb */ color: rgb(24, 33, 143);
/* oklch */ color: oklch(33.6% 0.176 269.1);

Tailwind

colors: {
  custom: {
    50: '#6d5eb1',
    500: '#18218f',
    950: '#000000',
  },
}

SCSS

$custom: #18218f;
$custom-light: #6d5eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#18218f",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 143
  },
  "hsl": {
    "h": 235.462,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3355,
    "c": 0.17572,
    "h": 269.1
  },
  "luminance": 0.03265
}

Semantic roles & 50–950 ramp

primary

#18218F

secondary

#C0B743

accent

#E03AEE

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#080411

muted

#7B7980

Preview Lab

Preview with #18218F

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

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