#1C158D#1C158D

#1C158D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.183 H 271.7°. Best body text is #FFFFFF at 13.63:1 contrast (WCAG AA passes).

Color values

HEX	#1C158D
RGB	rgb(28, 21, 141)
HSL	hsl(244, 74%, 32%)
HSV	hsv(244, 85%, 55%)
CMYK	cmyk(80.1%, 85.1%, 0%, 44.7%)
CIE-LAB	lab(18.82, 43.91, -63.11)
CIE-LCH	lch(18.82, 76.89, 304.83°)
OKLab	oklab(31.96% 0.0054 -0.1826)
OKLCH	oklch(31.96% 0.183 271.7)
XYZ	xyz(5.5532, 2.7057, 25.4237)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C158D #868D15

analogous

#154A8D #1C158D #58158D

triadic

#1C158D #8D1C15 #158D1C

tetradic

#1C158D #8D154A #868D15 #158D58

square

#1C158D #8D154A #868D15 #158D58

split-complementary

#1C158D #8D5815 #4A8D15

monochromatic

#070522 #110D58 #1C158D #271DC2 #443BE2

Accessibility & contrast

On white

13.63

#1C158D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1C158D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C158D

13.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C158D	#FFFFFF	#000000	##FFFFFF
##1C158D	1.00	13.63	1.54	13.63
#FFFFFF	13.63	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003390

Deuteranopia (green-blind)

#00288B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1c158d;
/* rgb */ color: rgb(28, 21, 141);
/* oklch */ color: oklch(32.0% 0.183 271.7);

Tailwind

colors: {
  custom: {
    50: '#6f57b0',
    500: '#1c158d',
    950: '#000000',
  },
}

SCSS

$custom: #1c158d;
$custom-light: #6f57b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1c158d",
  "rgb": {
    "r": 28,
    "g": 21,
    "b": 141
  },
  "hsl": {
    "h": 243.5,
    "s": 74.074,
    "l": 31.765
  },
  "oklch": {
    "l": 0.31963,
    "c": 0.18269,
    "h": 271.7
  },
  "luminance": 0.02706
}

Semantic roles & 50–950 ramp

primary

#1C158D

secondary

#B9C13D

accent

#F137E6

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C158D

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

Preview Lab → · Contrast checker → · Palette generator →