#1B022D#1B022D

#1B022D is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 17.8% C 0.084 H 306.9°. Best body text is #FFFFFF at 19.21:1 contrast (WCAG AA passes).

Color values

HEX	#1B022D
RGB	rgb(27, 2, 45)
HSL	hsl(275, 91%, 9%)
HSV	hsv(275, 96%, 18%)
CMYK	cmyk(40%, 95.6%, 0%, 82.4%)
CIE-LAB	lab(4.21, 20.50, -22.17)
CIE-LCH	lch(4.21, 30.19, 312.75°)
OKLab	oklab(17.81% 0.0505 -0.0672)
OKLCH	oklch(17.81% 0.084 306.9)
XYZ	xyz(0.9473, 0.4659, 2.5221)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.17

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B022D #142D02

analogous

#06022D #1B022D #2D022A

triadic

#1B022D #2D1B02 #022D1B

tetradic

#1B022D #2D0602 #142D02 #022A2D

square

#1B022D #2D0602 #142D02 #022A2D

split-complementary

#1B022D #2A2D02 #022D06

monochromatic

#12011D #12011D #1B022D #3E0568 #6107A2

Accessibility & contrast

On white

19.21

#1B022D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1B022D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B022D

19.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B022D	#FFFFFF	#000000	##FFFFFF
##1B022D	1.00	19.21	1.09	19.21
#FFFFFF	19.21	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2E

Deuteranopia (green-blind)

#000F2C

Tritanopia (blue-blind)

#180C17

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1b022d;
/* rgb */ color: rgb(27, 2, 45);
/* oklch */ color: oklch(17.8% 0.084 306.9);

Tailwind

colors: {
  custom: {
    50: '#584766',
    500: '#1b022d',
    950: '#000000',
  },
}

SCSS

$custom: #1b022d;
$custom-light: #584766;
$custom-dark: #000000;

JSON

{
  "hex": "#1b022d",
  "rgb": {
    "r": 27,
    "g": 2,
    "b": 45
  },
  "hsl": {
    "h": 274.884,
    "s": 91.489,
    "l": 9.216
  },
  "oklch": {
    "l": 0.17813,
    "c": 0.08412,
    "h": 306.9
  },
  "luminance": 0.00466
}

Semantic roles & 50–950 ramp

primary

#1B022D

secondary

#3E7219

accent

#FF2982

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030006

muted

#78777A

Preview Lab

Preview with #1B022D

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

Preview Lab → · Contrast checker → · Palette generator →