#1C1B82#1C1B82

#1C1B82 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.164 H 272.1°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#1C1B82
RGB	rgb(28, 27, 130)
HSL	hsl(241, 66%, 31%)
HSV	hsv(241, 79%, 51%)
CMYK	cmyk(78.5%, 79.2%, 0%, 49%)
CIE-LAB	lab(18.55, 37.16, -56.66)
CIE-LCH	lch(18.55, 67.75, 303.26°)
OKLab	oklab(31.38% 0.0061 -0.164)
OKLCH	oklch(31.38% 0.164 272.1)
XYZ	xyz(4.8987, 2.6419, 21.3665)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1B82 #81821B

analogous

#1B4D82 #1C1B82 #501B82

triadic

#1C1B82 #821C1B #1B821C

tetradic

#1C1B82 #821B4D #81821B #1B8250

square

#1C1B82 #821B4D #81821B #1B8250

split-complementary

#1C1B82 #82501B #4D821B

monochromatic

#06061D #11104F #1C1B82 #2726B5 #4240D7

Accessibility & contrast

On white

13.74

#1C1B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1C1B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1B82

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1B82	#FFFFFF	#000000	##FFFFFF
##1C1B82	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003285

Deuteranopia (green-blind)

#002880

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1c1b82;
/* rgb */ color: rgb(28, 27, 130);
/* oklch */ color: oklch(31.4% 0.164 272.1);

Tailwind

colors: {
  custom: {
    50: '#6c59a7',
    500: '#1c1b82',
    950: '#000000',
  },
}

SCSS

$custom: #1c1b82;
$custom-light: #6c59a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1b82",
  "rgb": {
    "r": 28,
    "g": 27,
    "b": 130
  },
  "hsl": {
    "h": 240.583,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3138,
    "c": 0.1641,
    "h": 272.1
  },
  "luminance": 0.02642
}

Semantic roles & 50–950 ramp

primary

#1C1B82

secondary

#B4B643

accent

#E93FE7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C1B82

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

Preview Lab → · Contrast checker → · Palette generator →