#1B012D#1B012D

#1B012D is a very dark, moderate violet. Relative luminance 0.004; OKLCH L 17.6% C 0.086 H 307.4°. Best body text is #FFFFFF at 19.29:1 contrast (WCAG AA passes).

Color values

HEX	#1B012D
RGB	rgb(27, 1, 45)
HSL	hsl(275, 96%, 9%)
HSV	hsv(275, 98%, 18%)
CMYK	cmyk(40%, 97.8%, 0%, 82.4%)
CIE-LAB	lab(4.01, 20.93, -22.48)
CIE-LCH	lch(4.01, 30.71, 312.95°)
OKLab	oklab(17.6% 0.0525 -0.0687)
OKLCH	oklch(17.6% 0.086 307.4)
XYZ	xyz(0.9364, 0.4442, 2.5185)
Luminance	0.0044 (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

#1B012D #132D01

analogous

#05012D #1B012D #2D0129

triadic

#1B012D #2D1B01 #012D1B

tetradic

#1B012D #2D0501 #132D01 #01292D

square

#1B012D #2D0501 #132D01 #01292D

split-complementary

#1B012D #292D01 #012D05

monochromatic

#12011E #12011E #1B012D #3F0269 #6304A5

Accessibility & contrast

On white

19.29

#1B012D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1B012D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B012D

19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B012D	#FFFFFF	#000000	##FFFFFF
##1B012D	1.00	19.29	1.09	19.29
#FFFFFF	19.29	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D2E

Deuteranopia (green-blind)

#000E2C

Tritanopia (blue-blind)

#180B16

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #1b012d;
/* rgb */ color: rgb(27, 1, 45);
/* oklch */ color: oklch(17.6% 0.086 307.4);

Tailwind

colors: {
  custom: {
    50: '#584666',
    500: '#1b012d',
    950: '#000000',
  },
}

SCSS

$custom: #1b012d;
$custom-light: #584666;
$custom-dark: #000000;

JSON

{
  "hex": "#1b012d",
  "rgb": {
    "r": 27,
    "g": 1,
    "b": 45
  },
  "hsl": {
    "h": 275.455,
    "s": 95.652,
    "l": 9.02
  },
  "oklch": {
    "l": 0.17603,
    "c": 0.08647,
    "h": 307.4
  },
  "luminance": 0.00444
}

Semantic roles & 50–950 ramp

primary

#1B012D

secondary

#3D7317

accent

#FF2980

background

#F5F3F6

surface

#E9E5EB

border

#C5C1C6

text

#030006

muted

#78777A

Preview Lab

Preview with #1B012D

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

Preview Lab → · Contrast checker → · Palette generator →