#1C0B47#1C0B47

#1C0B47 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.3% C 0.103 H 287.8°. Best body text is #FFFFFF at 17.67:1 contrast (WCAG AA passes).

Color values

HEX	#1C0B47
RGB	rgb(28, 11, 71)
HSL	hsl(257, 73%, 16%)
HSV	hsv(257, 85%, 28%)
CMYK	cmyk(60.6%, 84.5%, 0%, 72.2%)
CIE-LAB	lab(8.49, 26.10, -34.09)
CIE-LCH	lch(8.49, 42.94, 307.44°)
OKLab	oklab(22.28% 0.0316 -0.0981)
OKLCH	oklch(22.28% 0.103 287.8)
XYZ	xyz(1.7356, 0.9411, 6.0502)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C0B47 #36470B

analogous

#0B1847 #1C0B47 #3A0B47

triadic

#1C0B47 #471C0B #0B471C

tetradic

#1C0B47 #470B18 #36470B #0B473A

square

#1C0B47 #470B18 #36470B #0B473A

split-complementary

#1C0B47 #473A0B #18470B

monochromatic

#0A041A #0A041A #1C0B47 #31137C #461BB1

Accessibility & contrast

On white

17.67

#1C0B47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#1C0B47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C0B47

17.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C0B47	#FFFFFF	#000000	##FFFFFF
##1C0B47	1.00	17.67	1.19	17.67
#FFFFFF	17.67	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A49

Deuteranopia (green-blind)

#001746

Tritanopia (blue-blind)

#0A1C28

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #1c0b47;
/* rgb */ color: rgb(28, 11, 71);
/* oklch */ color: oklch(22.3% 0.103 287.8);

Tailwind

colors: {
  custom: {
    50: '#5e4c7b',
    500: '#1c0b47',
    950: '#000000',
  },
}

SCSS

$custom: #1c0b47;
$custom-light: #5e4c7b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c0b47",
  "rgb": {
    "r": 28,
    "g": 11,
    "b": 71
  },
  "hsl": {
    "h": 257,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.22282,
    "c": 0.10303,
    "h": 287.8
  },
  "luminance": 0.00941
}

Semantic roles & 50–950 ramp

primary

#1C0B47

secondary

#6A832A

accent

#F038BC

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #1C0B47

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

Preview Lab → · Contrast checker → · Palette generator →