#1B0239#1B0239

#1B0239 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.2% C 0.098 H 297.4°. Best body text is #FFFFFF at 18.84:1 contrast (WCAG AA passes).

Color values

HEX	#1B0239
RGB	rgb(27, 2, 57)
HSL	hsl(267, 93%, 12%)
HSV	hsv(267, 96%, 22%)
CMYK	cmyk(52.6%, 96.5%, 0%, 77.6%)
CIE-LAB	lab(5.17, 25.58, -29.53)
CIE-LCH	lch(5.17, 39.07, 310.91°)
OKLab	oklab(19.17% 0.0451 -0.0867)
OKLCH	oklch(19.17% 0.098 297.4)
XYZ	xyz(1.2120, 0.5718, 3.9166)
Luminance	0.0057 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.24

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0239 #203902

analogous

#020439 #1B0239 #370239

triadic

#1B0239 #391B02 #02391B

tetradic

#1B0239 #390204 #203902 #023937

square

#1B0239 #390204 #203902 #023937

split-complementary

#1B0239 #393702 #043902

monochromatic

#0E011E #0E011E #1B0239 #370474 #5306AF

Accessibility & contrast

On white

18.84

#1B0239 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#1B0239 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0239

18.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0239	#FFFFFF	#000000	##FFFFFF
##1B0239	1.00	18.84	1.11	18.84
#FFFFFF	18.84	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00113A

Deuteranopia (green-blind)

#001138

Tritanopia (blue-blind)

#13111E

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #1b0239;
/* rgb */ color: rgb(27, 2, 57);
/* oklch */ color: oklch(19.2% 0.098 297.4);

Tailwind

colors: {
  custom: {
    50: '#5b4670',
    500: '#1b0239',
    950: '#000000',
  },
}

SCSS

$custom: #1b0239;
$custom-light: #5b4670;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0239",
  "rgb": {
    "r": 27,
    "g": 2,
    "b": 57
  },
  "hsl": {
    "h": 267.273,
    "s": 93.22,
    "l": 11.569
  },
  "oklch": {
    "l": 0.19169,
    "c": 0.09774,
    "h": 297.4
  },
  "luminance": 0.00572
}

Semantic roles & 50–950 ramp

primary

#1B0239

secondary

#507D1A

accent

#FF299E

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #1B0239

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

Preview Lab → · Contrast checker → · Palette generator →