#1C0B4E#1C0B4E

#1C0B4E is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 23.1% C 0.112 H 285.1°. Best body text is #FFFFFF at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#1C0B4E
RGB	rgb(28, 11, 78)
HSL	hsl(255, 75%, 17%)
HSV	hsv(255, 86%, 31%)
CMYK	cmyk(64.1%, 85.9%, 0%, 69.4%)
CIE-LAB	lab(9.29, 28.42, -37.66)
CIE-LCH	lch(9.29, 47.17, 307.04°)
OKLab	oklab(23.08% 0.0292 -0.1085)
OKLCH	oklch(23.08% 0.112 285.1)
XYZ	xyz(1.9733, 1.0362, 7.3023)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0B4E #3D4E0B

analogous

#0B1B4E #1C0B4E #3E0B4E

triadic

#1C0B4E #4E1C0B #0B4E1C

tetradic

#1C0B4E #4E0B1B #3D4E0B #0B4E3E

square

#1C0B4E #4E0B1B #3D4E0B #0B4E3E

split-complementary

#1C0B4E #4E3E0B #1B4E0B

monochromatic

#0A041B #0A041B #1C0B4E #2F1384 #431AB9

Accessibility & contrast

On white

17.40

#1C0B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1C0B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0B4E

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0B4E	#FFFFFF	#000000	##FFFFFF
##1C0B4E	1.00	17.40	1.21	17.40
#FFFFFF	17.40	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C50

Deuteranopia (green-blind)

#00184D

Tritanopia (blue-blind)

#021F2C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1c0b4e;
/* rgb */ color: rgb(28, 11, 78);
/* oklch */ color: oklch(23.1% 0.112 285.1);

Tailwind

colors: {
  custom: {
    50: '#604c80',
    500: '#1c0b4e',
    950: '#000000',
  },
}

SCSS

$custom: #1c0b4e;
$custom-light: #604c80;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0b4e",
  "rgb": {
    "r": 28,
    "g": 11,
    "b": 78
  },
  "hsl": {
    "h": 255.224,
    "s": 75.281,
    "l": 17.451
  },
  "oklch": {
    "l": 0.23081,
    "c": 0.11236,
    "h": 285.1
  },
  "luminance": 0.01036
}

Semantic roles & 50–950 ramp

primary

#1C0B4E

secondary

#728A2B

accent

#F236C2

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #1C0B4E

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

Preview Lab → · Contrast checker → · Palette generator →