#1C1981#1C1981

#1C1981 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.0% C 0.165 H 272.5°. Best body text is #FFFFFF at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#1C1981
RGB	rgb(28, 25, 129)
HSL	hsl(242, 68%, 30%)
HSV	hsv(242, 81%, 51%)
CMYK	cmyk(78.3%, 80.6%, 0%, 49.4%)
CIE-LAB	lab(18.04, 37.94, -56.87)
CIE-LCH	lch(18.04, 68.36, 303.71°)
OKLab	oklab(30.99% 0.0071 -0.1646)
OKLCH	oklch(30.99% 0.165 272.5)
XYZ	xyz(4.7876, 2.5266, 21.0000)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1981 #7E8119

analogous

#194A81 #1C1981 #501981

triadic

#1C1981 #811C19 #19811C

tetradic

#1C1981 #81194A #7E8119 #198150

square

#1C1981 #81194A #7E8119 #198150

split-complementary

#1C1981 #815019 #4A8119

monochromatic

#06051A #110F4E #1C1981 #2723B4 #403BD9

Accessibility & contrast

On white

13.95

#1C1981 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1C1981 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1981

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1981	#FFFFFF	#000000	##FFFFFF
##1C1981	1.00	13.95	1.51	13.95
#FFFFFF	13.95	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003184

Deuteranopia (green-blind)

#00277F

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1c1981;
/* rgb */ color: rgb(28, 25, 129);
/* oklch */ color: oklch(31.0% 0.165 272.5);

Tailwind

colors: {
  custom: {
    50: '#6b58a7',
    500: '#1c1981',
    950: '#000000',
  },
}

SCSS

$custom: #1c1981;
$custom-light: #6b58a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1981",
  "rgb": {
    "r": 28,
    "g": 25,
    "b": 129
  },
  "hsl": {
    "h": 241.731,
    "s": 67.532,
    "l": 30.196
  },
  "oklch": {
    "l": 0.30987,
    "c": 0.16473,
    "h": 272.5
  },
  "luminance": 0.02527
}

Semantic roles & 50–950 ramp

primary

#1C1981

secondary

#B2B541

accent

#EA3DE5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1C1981

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

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