#1B032F#1B032F

#1B032F is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.2% C 0.084 H 304.7°. Best body text is #FFFFFF at 19.08:1 contrast (WCAG AA passes).

Color values

HEX	#1B032F
RGB	rgb(27, 3, 47)
HSL	hsl(273, 88%, 10%)
HSV	hsv(273, 94%, 18%)
CMYK	cmyk(42.6%, 93.6%, 0%, 81.6%)
CIE-LAB	lab(4.55, 20.90, -23.14)
CIE-LCH	lch(4.55, 31.18, 312.10°)
OKLab	oklab(18.23% 0.0479 -0.0693)
OKLCH	oklch(18.23% 0.084 304.7)
XYZ	xyz(0.9975, 0.5034, 2.7334)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B032F #172F03

analogous

#05032F #1B032F #2F032D

triadic

#1B032F #2F1B03 #032F1B

tetradic

#1B032F #2F0503 #172F03 #032D2F

square

#1B032F #2F0503 #172F03 #032D2F

split-complementary

#1B032F #2D2F03 #032F05

monochromatic

#11021D #11021D #1B032F #3C0769 #5D0AA2

Accessibility & contrast

On white

19.08

#1B032F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1B032F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B032F

19.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B032F	#FFFFFF	#000000	##FFFFFF
##1B032F	1.00	19.08	1.10	19.08
#FFFFFF	19.08	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F30

Deuteranopia (green-blind)

#00102E

Tritanopia (blue-blind)

#170D18

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1b032f;
/* rgb */ color: rgb(27, 3, 47);
/* oklch */ color: oklch(18.2% 0.084 304.7);

Tailwind

colors: {
  custom: {
    50: '#594768',
    500: '#1b032f',
    950: '#000000',
  },
}

SCSS

$custom: #1b032f;
$custom-light: #594768;
$custom-dark: #000000;

JSON

{
  "hex": "#1b032f",
  "rgb": {
    "r": 27,
    "g": 3,
    "b": 47
  },
  "hsl": {
    "h": 272.727,
    "s": 88,
    "l": 9.804
  },
  "oklch": {
    "l": 0.1823,
    "c": 0.0842,
    "h": 304.7
  },
  "luminance": 0.00503
}

Semantic roles & 50–950 ramp

primary

#1B032F

secondary

#43731B

accent

#FE2A8A

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1B032F

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

Preview Lab → · Contrast checker → · Palette generator →