#1C1180#1C1180

#1C1180 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.9% C 0.170 H 273.4°. Best body text is #FFFFFF at 14.57:1 contrast (WCAG AA passes).

Color values

HEX	#1C1180
RGB	rgb(28, 17, 128)
HSL	hsl(246, 77%, 28%)
HSV	hsv(246, 87%, 50%)
CMYK	cmyk(78.1%, 86.7%, 0%, 49.8%)
CIE-LAB	lab(16.53, 41.65, -58.73)
CIE-LCH	lch(16.53, 72.00, 305.34°)
OKLab	oklab(29.9% 0.01 -0.1698)
OKLCH	oklch(29.9% 0.17 273.4)
XYZ	xyz(4.5743, 2.2058, 20.6026)
Luminance	0.0221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1180 #758011

analogous

#113D80 #1C1180 #531180

triadic

#1C1180 #801C11 #11801C

tetradic

#1C1180 #80113D #758011 #118053

square

#1C1180 #80113D #758011 #118053

split-complementary

#1C1180 #805311 #3D8011

monochromatic

#06041B #100A4A #1C1180 #2818B6 #3B29E3

Accessibility & contrast

On white

14.57

#1C1180 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#1C1180 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1180

14.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1180	#FFFFFF	#000000	##FFFFFF
##1C1180	1.00	14.57	1.44	14.57
#FFFFFF	14.57	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E83

Deuteranopia (green-blind)

#00247E

Tritanopia (blue-blind)

#00354B

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1c1180;
/* rgb */ color: rgb(28, 17, 128);
/* oklch */ color: oklch(29.9% 0.170 273.4);

Tailwind

colors: {
  custom: {
    50: '#6c54a6',
    500: '#1c1180',
    950: '#000000',
  },
}

SCSS

$custom: #1c1180;
$custom-light: #6c54a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1180",
  "rgb": {
    "r": 28,
    "g": 17,
    "b": 128
  },
  "hsl": {
    "h": 245.946,
    "s": 76.552,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29905,
    "c": 0.17013,
    "h": 273.4
  },
  "luminance": 0.02206
}

Semantic roles & 50–950 ramp

primary

#1C1180

secondary

#A9B637

accent

#F335E0

background

#F7F5FA

surface

#EDE8F4

border

#C8C4CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1C1180

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

Preview Lab → · Contrast checker → · Palette generator →