#1C1D84#1C1D84

#1C1D84 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.9% C 0.165 H 271.7°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#1C1D84
RGB	rgb(28, 29, 132)
HSL	hsl(239, 65%, 31%)
HSV	hsv(239, 79%, 52%)
CMYK	cmyk(78.8%, 78%, 0%, 48.2%)
CIE-LAB	lab(19.19, 36.70, -56.86)
CIE-LCH	lch(19.19, 67.68, 302.84°)
OKLab	oklab(31.9% 0.0049 -0.1646)
OKLCH	oklch(31.9% 0.165 271.7)
XYZ	xyz(5.0817, 2.7910, 22.0962)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1D84 #84831C

analogous

#1C5184 #1C1D84 #4F1C84

triadic

#1C1D84 #841C1D #1D841C

tetradic

#1C1D84 #841C51 #84831C #1C844F

square

#1C1D84 #841C51 #84831C #1C844F

split-complementary

#1C1D84 #844F1C #51841C

monochromatic

#07071F #111252 #1C1D84 #2728B6 #4345D7

Accessibility & contrast

On white

13.48

#1C1D84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1C1D84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1D84

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1D84	#FFFFFF	#000000	##FFFFFF
##1C1D84	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003487

Deuteranopia (green-blind)

#002982

Tritanopia (blue-blind)

#003C4F

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c1d84;
/* rgb */ color: rgb(28, 29, 132);
/* oklch */ color: oklch(31.9% 0.165 271.7);

Tailwind

colors: {
  custom: {
    50: '#6c5ba9',
    500: '#1c1d84',
    950: '#000000',
  },
}

SCSS

$custom: #1c1d84;
$custom-light: #6c5ba9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1d84",
  "rgb": {
    "r": 28,
    "g": 29,
    "b": 132
  },
  "hsl": {
    "h": 239.423,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.31899,
    "c": 0.16469,
    "h": 271.7
  },
  "luminance": 0.02792
}

Semantic roles & 50–950 ramp

primary

#1C1D84

secondary

#B7B645

accent

#E640E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C1D84

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

Preview Lab → · Contrast checker → · Palette generator →