#1C218D#1C218D

#1C218D is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.172 H 270.5°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#1C218D
RGB	rgb(28, 33, 141)
HSL	hsl(237, 67%, 33%)
HSV	hsv(237, 80%, 55%)
CMYK	cmyk(80.1%, 76.6%, 0%, 44.7%)
CIE-LAB	lab(21.05, 37.50, -59.43)
CIE-LCH	lch(21.05, 70.27, 302.25°)
OKLab	oklab(33.52% 0.0017 -0.1721)
OKLCH	oklch(33.52% 0.172 270.5)
XYZ	xyz(5.8288, 3.2570, 25.5156)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C218D #8D881C

analogous

#1C598D #1C218D #4F1C8D

triadic

#1C218D #8D1C21 #218D1C

tetradic

#1C218D #8D1C59 #8D881C #1C8D4F

square

#1C218D #8D1C59 #8D881C #1C8D4F

split-complementary

#1C218D #8D4F1C #598D1C

monochromatic

#080927 #12155A #1C218D #262DC0 #494FDB

Accessibility & contrast

On white

12.71

#1C218D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1C218D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C218D

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C218D	#FFFFFF	#000000	##FFFFFF
##1C218D	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003890

Deuteranopia (green-blind)

#002D8B

Tritanopia (blue-blind)

#004155

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c218d;
/* rgb */ color: rgb(28, 33, 141);
/* oklch */ color: oklch(33.5% 0.172 270.5);

Tailwind

colors: {
  custom: {
    50: '#6e5eb0',
    500: '#1c218d',
    950: '#000000',
  },
}

SCSS

$custom: #1c218d;
$custom-light: #6e5eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c218d",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 141
  },
  "hsl": {
    "h": 237.345,
    "s": 66.864,
    "l": 33.137
  },
  "oklch": {
    "l": 0.33518,
    "c": 0.17213,
    "h": 270.5
  },
  "luminance": 0.03258
}

Semantic roles & 50–950 ramp

primary

#1C218D

secondary

#BDB848

accent

#E23EEA

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080411

muted

#7B7980

Preview Lab

Preview with #1C218D

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

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