#1C1B89#1C1B89

#1C1B89 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.173 H 271.5°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C1B89
RGB	rgb(28, 27, 137)
HSL	hsl(241, 67%, 32%)
HSV	hsv(241, 80%, 54%)
CMYK	cmyk(79.6%, 80.3%, 0%, 46.3%)
CIE-LAB	lab(19.38, 39.55, -59.70)
CIE-LCH	lch(19.38, 71.61, 303.53°)
OKLab	oklab(32.2% 0.0046 -0.1728)
OKLCH	oklch(32.2% 0.173 271.5)
XYZ	xyz(5.3847, 2.8363, 23.9257)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C1B89 #88891B

analogous

#1B5189 #1C1B89 #531B89

triadic

#1C1B89 #891C1B #1B891C

tetradic

#1C1B89 #891B51 #88891B #1B8953

square

#1C1B89 #891B51 #88891B #1B8953

split-complementary

#1C1B89 #89531B #51891B

monochromatic

#070723 #121156 #1C1B89 #2625BC #4644DA

Accessibility & contrast

On white

13.40

#1C1B89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1C1B89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C1B89

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C1B89	#FFFFFF	#000000	##FFFFFF
##1C1B89	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348C

Deuteranopia (green-blind)

#002987

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c1b89;
/* rgb */ color: rgb(28, 27, 137);
/* oklch */ color: oklch(32.2% 0.173 271.5);

Tailwind

colors: {
  custom: {
    50: '#6d5aad',
    500: '#1c1b89',
    950: '#000000',
  },
}

SCSS

$custom: #1c1b89;
$custom-light: #6d5aad;
$custom-dark: #000000;

JSON

{
  "hex": "#1c1b89",
  "rgb": {
    "r": 28,
    "g": 27,
    "b": 137
  },
  "hsl": {
    "h": 240.545,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32204,
    "c": 0.17287,
    "h": 271.5
  },
  "luminance": 0.02837
}

Semantic roles & 50–950 ramp

primary

#1C1B89

secondary

#BABC44

accent

#EA3EE8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C1B89

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

Preview Lab → · Contrast checker → · Palette generator →