#1B042D#1B042D

#1B042D is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.2% C 0.080 H 305.9°. Best body text is #FFFFFF at 19.06:1 contrast (WCAG AA passes).

Color values

HEX	#1B042D
RGB	rgb(27, 4, 45)
HSL	hsl(274, 84%, 10%)
HSV	hsv(274, 91%, 18%)
CMYK	cmyk(40%, 91.1%, 0%, 82.4%)
CIE-LAB	lab(4.60, 19.62, -21.55)
CIE-LCH	lch(4.60, 29.14, 312.32°)
OKLab	oklab(18.22% 0.0468 -0.0645)
OKLCH	oklch(18.22% 0.08 305.9)
XYZ	xyz(0.9690, 0.5093, 2.5294)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B042D #162D04

analogous

#07042D #1B042D #2D042B

triadic

#1B042D #2D1B04 #042D1B

tetradic

#1B042D #2D0704 #162D04 #042B2D

square

#1B042D #2D0704 #162D04 #042B2D

split-complementary

#1B042D #2B2D04 #042D07

monochromatic

#11021C #11021C #1B042D #3D0965 #5E0E9D

Accessibility & contrast

On white

19.06

#1B042D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1B042D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B042D

19.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B042D	#FFFFFF	#000000	##FFFFFF
##1B042D	1.00	19.06	1.10	19.06
#FFFFFF	19.06	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F2E

Deuteranopia (green-blind)

#00102C

Tritanopia (blue-blind)

#180D18

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1b042d;
/* rgb */ color: rgb(27, 4, 45);
/* oklch */ color: oklch(18.2% 0.080 305.9);

Tailwind

colors: {
  custom: {
    50: '#594866',
    500: '#1b042d',
    950: '#000000',
  },
}

SCSS

$custom: #1b042d;
$custom-light: #594866;
$custom-dark: #000000;

JSON

{
  "hex": "#1b042d",
  "rgb": {
    "r": 27,
    "g": 4,
    "b": 45
  },
  "hsl": {
    "h": 273.659,
    "s": 83.673,
    "l": 9.608
  },
  "oklch": {
    "l": 0.1822,
    "c": 0.07965,
    "h": 305.9
  },
  "luminance": 0.00509
}

Semantic roles & 50–950 ramp

primary

#1B042D

secondary

#41701D

accent

#FA2E87

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030006

muted

#78777A

Preview Lab

Preview with #1B042D

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

Preview Lab → · Contrast checker → · Palette generator →