#1C218C#1C218C

#1C218C is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.4% C 0.171 H 270.6°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#1C218C
RGB	rgb(28, 33, 140)
HSL	hsl(237, 67%, 33%)
HSV	hsv(237, 80%, 55%)
CMYK	cmyk(80%, 76.4%, 0%, 45.1%)
CIE-LAB	lab(20.93, 37.14, -59.00)
CIE-LCH	lch(20.93, 69.72, 302.19°)
OKLab	oklab(33.4% 0.0018 -0.1708)
OKLCH	oklch(33.4% 0.171 270.6)
XYZ	xyz(5.7548, 3.2274, 25.1255)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C218C #8C871C

analogous

#1C598C #1C218C #4F1C8C

triadic

#1C218C #8C1C21 #218C1C

tetradic

#1C218C #8C1C59 #8C871C #1C8C4F

square

#1C218C #8C1C59 #8C871C #1C8C4F

split-complementary

#1C218C #8C4F1C #598C1C

monochromatic

#080926 #121559 #1C218C #262DBF #484FDA

Accessibility & contrast

On white

12.76

#1C218C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1C218C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C218C

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C218C	#FFFFFF	#000000	##FFFFFF
##1C218C	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388F

Deuteranopia (green-blind)

#002D8A

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1c218c;
/* rgb */ color: rgb(28, 33, 140);
/* oklch */ color: oklch(33.4% 0.171 270.6);

Tailwind

colors: {
  custom: {
    50: '#6e5eaf',
    500: '#1c218c',
    950: '#000000',
  },
}

SCSS

$custom: #1c218c;
$custom-light: #6e5eaf;
$custom-dark: #000000;

JSON

{
  "hex": "#1c218c",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 140
  },
  "hsl": {
    "h": 237.321,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.33404,
    "c": 0.17086,
    "h": 270.6
  },
  "luminance": 0.03228
}

Semantic roles & 50–950 ramp

primary

#1C218C

secondary

#BCB748

accent

#E23EEA

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C218C

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

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