#1C0B4B#1C0B4B

#1C0B4B is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.7% C 0.108 H 286.2°. Best body text is #FFFFFF at 17.52:1 contrast (WCAG AA passes).

Color values

HEX	#1C0B4B
RGB	rgb(28, 11, 75)
HSL	hsl(256, 74%, 17%)
HSV	hsv(256, 85%, 29%)
CMYK	cmyk(62.7%, 85.3%, 0%, 70.6%)
CIE-LAB	lab(8.94, 27.43, -36.15)
CIE-LCH	lch(8.94, 45.37, 307.19°)
OKLab	oklab(22.74% 0.0303 -0.1041)
OKLCH	oklch(22.74% 0.108 286.2)
XYZ	xyz(1.8682, 0.9941, 6.7487)
Luminance	0.0099 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.36

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0B4B #3A4B0B

analogous

#0B1A4B #1C0B4B #3C0B4B

triadic

#1C0B4B #4B1C0B #0B4B1C

tetradic

#1C0B4B #4B0B1A #3A4B0B #0B4B3C

square

#1C0B4B #4B0B1A #3A4B0B #0B4B3C

split-complementary

#1C0B4B #4B3C0B #1A4B0B

monochromatic

#0A041B #0A041B #1C0B4B #301380 #441BB6

Accessibility & contrast

On white

17.52

#1C0B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#1C0B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0B4B

17.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0B4B	#FFFFFF	#000000	##FFFFFF
##1C0B4B	1.00	17.52	1.20	17.52
#FFFFFF	17.52	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B4D

Deuteranopia (green-blind)

#00174A

Tritanopia (blue-blind)

#061D2B

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #1c0b4b;
/* rgb */ color: rgb(28, 11, 75);
/* oklch */ color: oklch(22.7% 0.108 286.2);

Tailwind

colors: {
  custom: {
    50: '#5f4c7e',
    500: '#1c0b4b',
    950: '#000000',
  },
}

SCSS

$custom: #1c0b4b;
$custom-light: #5f4c7e;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0b4b",
  "rgb": {
    "r": 28,
    "g": 11,
    "b": 75
  },
  "hsl": {
    "h": 255.938,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.22735,
    "c": 0.10839,
    "h": 286.2
  },
  "luminance": 0.00994
}

Semantic roles & 50–950 ramp

primary

#1C0B4B

secondary

#6F872B

accent

#F137C0

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #1C0B4B

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

Preview Lab → · Contrast checker → · Palette generator →