#1B042E#1B042E

#1B042E is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.3% C 0.081 H 305.0°. Best body text is #FFFFFF at 19.03:1 contrast (WCAG AA passes).

Color values

HEX	#1B042E
RGB	rgb(27, 4, 46)
HSL	hsl(273, 84%, 10%)
HSV	hsv(273, 91%, 18%)
CMYK	cmyk(41.3%, 91.3%, 0%, 82%)
CIE-LAB	lab(4.67, 20.04, -22.19)
CIE-LCH	lch(4.67, 29.90, 312.08°)
OKLab	oklab(18.32% 0.0464 -0.0662)
OKLCH	oklch(18.32% 0.081 305)
XYZ	xyz(0.9884, 0.5171, 2.6320)
Luminance	0.0052 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B042E #172E04

analogous

#06042E #1B042E #2E042C

triadic

#1B042E #2E1B04 #042E1B

tetradic

#1B042E #2E0604 #172E04 #042C2E

square

#1B042E #2E0604 #172E04 #042C2E

split-complementary

#1B042E #2C2E04 #042E06

monochromatic

#11021C #11021C #1B042E #3C0966 #5D0E9F

Accessibility & contrast

On white

19.03

#1B042E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1B042E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B042E

19.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B042E	#FFFFFF	#000000	##FFFFFF
##1B042E	1.00	19.03	1.10	19.03
#FFFFFF	19.03	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F2F

Deuteranopia (green-blind)

#00102D

Tritanopia (blue-blind)

#170E18

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1b042e;
/* rgb */ color: rgb(27, 4, 46);
/* oklch */ color: oklch(18.3% 0.081 305.0);

Tailwind

colors: {
  custom: {
    50: '#594867',
    500: '#1b042e',
    950: '#000000',
  },
}

SCSS

$custom: #1b042e;
$custom-light: #594867;
$custom-dark: #000000;

JSON

{
  "hex": "#1b042e",
  "rgb": {
    "r": 27,
    "g": 4,
    "b": 46
  },
  "hsl": {
    "h": 272.857,
    "s": 84,
    "l": 9.804
  },
  "oklch": {
    "l": 0.18322,
    "c": 0.08087,
    "h": 305
  },
  "luminance": 0.00517
}

Semantic roles & 50–950 ramp

primary

#1B042E

secondary

#43711D

accent

#FA2E8A

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1B042E

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

Preview Lab → · Contrast checker → · Palette generator →