#1C1E83#1C1E83

#1C1E83 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.162 H 271.6°. Best body text is #FFFFFF at 13.44:1 contrast (WCAG AA passes).

Color values

HEX	#1C1E83
RGB	rgb(28, 30, 131)
HSL	hsl(239, 65%, 31%)
HSV	hsv(239, 79%, 51%)
CMYK	cmyk(78.6%, 77.1%, 0%, 48.6%)
CIE-LAB	lab(19.28, 35.75, -56.08)
CIE-LCH	lch(19.28, 66.50, 302.52°)
OKLab	oklab(31.93% 0.0047 -0.1623)
OKLCH	oklch(31.93% 0.162 271.6)
XYZ	xyz(5.0385, 2.8136, 21.7459)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1E83 #83811C

analogous

#1C5183 #1C1E83 #4D1C83

triadic

#1C1E83 #831C1E #1E831C

tetradic

#1C1E83 #831C51 #83811C #1C834D

square

#1C1E83 #831C51 #83811C #1C834D

split-complementary

#1C1E83 #834D1C #51831C

monochromatic

#06071E #111251 #1C1E83 #272AB5 #4346D7

Accessibility & contrast

On white

13.44

#1C1E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1C1E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1E83

13.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1E83	#FFFFFF	#000000	##FFFFFF
##1C1E83	1.00	13.44	1.56	13.44
#FFFFFF	13.44	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003486

Deuteranopia (green-blind)

#002A81

Tritanopia (blue-blind)

#003C4F

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c1e83;
/* rgb */ color: rgb(28, 30, 131);
/* oklch */ color: oklch(31.9% 0.162 271.6);

Tailwind

colors: {
  custom: {
    50: '#6c5ba8',
    500: '#1c1e83',
    950: '#000000',
  },
}

SCSS

$custom: #1c1e83;
$custom-light: #6c5ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1e83",
  "rgb": {
    "r": 28,
    "g": 30,
    "b": 131
  },
  "hsl": {
    "h": 238.835,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31932,
    "c": 0.16241,
    "h": 271.6
  },
  "luminance": 0.02814
}

Semantic roles & 50–950 ramp

primary

#1C1E83

secondary

#B6B445

accent

#E540E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C1E83

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

Preview Lab → · Contrast checker → · Palette generator →