#1C0B4D#1C0B4D

#1C0B4D is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 23.0% C 0.111 H 285.4°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#1C0B4D
RGB	rgb(28, 11, 77)
HSL	hsl(255, 75%, 17%)
HSV	hsv(255, 86%, 30%)
CMYK	cmyk(63.6%, 85.7%, 0%, 69.8%)
CIE-LAB	lab(9.17, 28.09, -37.16)
CIE-LCH	lch(9.17, 46.58, 307.09°)
OKLab	oklab(22.97% 0.0296 -0.107)
OKLCH	oklch(22.97% 0.111 285.4)
XYZ	xyz(1.9377, 1.0219, 7.1149)
Luminance	0.0102 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0B4D #3C4D0B

analogous

#0B1B4D #1C0B4D #3D0B4D

triadic

#1C0B4D #4D1C0B #0B4D1C

tetradic

#1C0B4D #4D0B1B #3C4D0B #0B4D3D

square

#1C0B4D #4D0B1B #3C4D0B #0B4D3D

split-complementary

#1C0B4D #4D3D0B #1B4D0B

monochromatic

#0A041B #0A041B #1C0B4D #2F1383 #431AB8

Accessibility & contrast

On white

17.44

#1C0B4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#1C0B4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0B4D

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0B4D	#FFFFFF	#000000	##FFFFFF
##1C0B4D	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4F

Deuteranopia (green-blind)

#00184C

Tritanopia (blue-blind)

#031E2C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1c0b4d;
/* rgb */ color: rgb(28, 11, 77);
/* oklch */ color: oklch(23.0% 0.111 285.4);

Tailwind

colors: {
  custom: {
    50: '#604c80',
    500: '#1c0b4d',
    950: '#000000',
  },
}

SCSS

$custom: #1c0b4d;
$custom-light: #604c80;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0b4d",
  "rgb": {
    "r": 28,
    "g": 11,
    "b": 77
  },
  "hsl": {
    "h": 255.455,
    "s": 75,
    "l": 17.255
  },
  "oklch": {
    "l": 0.22965,
    "c": 0.11104,
    "h": 285.4
  },
  "luminance": 0.01022
}

Semantic roles & 50–950 ramp

primary

#1C0B4D

secondary

#71892B

accent

#F236C1

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #1C0B4D

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

Preview Lab → · Contrast checker → · Palette generator →