#1B032B#1B032B

#1B032B is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 17.8% C 0.080 H 308.3°. Best body text is #FFFFFF at 19.19:1 contrast (WCAG AA passes).

Color values

HEX	#1B032B
RGB	rgb(27, 3, 43)
HSL	hsl(276, 87%, 9%)
HSV	hsv(276, 93%, 17%)
CMYK	cmyk(37.2%, 93%, 0%, 83.1%)
CIE-LAB	lab(4.27, 19.21, -20.56)
CIE-LCH	lch(4.27, 28.14, 313.06°)
OKLab	oklab(17.81% 0.0493 -0.0624)
OKLCH	oklch(17.81% 0.08 308.3)
XYZ	xyz(0.9205, 0.4726, 2.3278)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.55

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B032B #132B03

analogous

#07032B #1B032B #2B0327

triadic

#1B032B #2B1B03 #032B1B

tetradic

#1B032B #2B0703 #132B03 #03272B

square

#1B032B #2B0703 #132B03 #03272B

split-complementary

#1B032B #272B03 #032B07

monochromatic

#12021D #12021D #1B032B #3F0764 #630B9D

Accessibility & contrast

On white

19.19

#1B032B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1B032B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B032B

19.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B032B	#FFFFFF	#000000	##FFFFFF
##1B032B	1.00	19.19	1.09	19.19
#FFFFFF	19.19	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2C

Deuteranopia (green-blind)

#000F2A

Tritanopia (blue-blind)

#180C16

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1b032b;
/* rgb */ color: rgb(27, 3, 43);
/* oklch */ color: oklch(17.8% 0.080 308.3);

Tailwind

colors: {
  custom: {
    50: '#584764',
    500: '#1b032b',
    950: '#000000',
  },
}

SCSS

$custom: #1b032b;
$custom-light: #584764;
$custom-dark: #000000;

JSON

{
  "hex": "#1b032b",
  "rgb": {
    "r": 27,
    "g": 3,
    "b": 43
  },
  "hsl": {
    "h": 276,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.17813,
    "c": 0.0795,
    "h": 308.3
  },
  "luminance": 0.00473
}

Semantic roles & 50–950 ramp

primary

#1B032B

secondary

#3D6F1B

accent

#FD2B7F

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030005

muted

#78777A

Preview Lab

Preview with #1B032B

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

Preview Lab → · Contrast checker → · Palette generator →