#1B022C#1B022C

#1B022C is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 17.7% C 0.083 H 307.8°. Best body text is #FFFFFF at 19.24:1 contrast (WCAG AA passes).

Color values

HEX	#1B022C
RGB	rgb(27, 2, 44)
HSL	hsl(276, 91%, 9%)
HSV	hsv(276, 95%, 17%)
CMYK	cmyk(38.6%, 95.5%, 0%, 82.7%)
CIE-LAB	lab(4.14, 20.06, -21.52)
CIE-LCH	lch(4.14, 29.42, 312.99°)
OKLab	oklab(17.71% 0.0509 -0.0655)
OKLCH	oklch(17.71% 0.083 307.8)
XYZ	xyz(0.9282, 0.4583, 2.4219)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.34

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B022C #132C02

analogous

#06022C #1B022C #2C0228

triadic

#1B022C #2C1B02 #022C1B

tetradic

#1B022C #2C0602 #132C02 #02282C

square

#1B022C #2C0602 #132C02 #02282C

split-complementary

#1B022C #282C02 #022C06

monochromatic

#12011D #12011D #1B022C #3F0567 #6307A1

Accessibility & contrast

On white

19.24

#1B022C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1B022C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B022C

19.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B022C	#FFFFFF	#000000	##FFFFFF
##1B022C	1.00	19.24	1.09	19.24
#FFFFFF	19.24	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2D

Deuteranopia (green-blind)

#000F2B

Tritanopia (blue-blind)

#180B16

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1b022c;
/* rgb */ color: rgb(27, 2, 44);
/* oklch */ color: oklch(17.7% 0.083 307.8);

Tailwind

colors: {
  custom: {
    50: '#584765',
    500: '#1b022c',
    950: '#000000',
  },
}

SCSS

$custom: #1b022c;
$custom-light: #584765;
$custom-dark: #000000;

JSON

{
  "hex": "#1b022c",
  "rgb": {
    "r": 27,
    "g": 2,
    "b": 44
  },
  "hsl": {
    "h": 275.714,
    "s": 91.304,
    "l": 9.02
  },
  "oklch": {
    "l": 0.17707,
    "c": 0.083,
    "h": 307.8
  },
  "luminance": 0.00458
}

Semantic roles & 50–950 ramp

primary

#1B022C

secondary

#3D7119

accent

#FF2980

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030005

muted

#78777A

Preview Lab

Preview with #1B022C

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

Preview Lab → · Contrast checker → · Palette generator →