#1B083A#1B083A

#1B083A is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.3% C 0.089 H 294.4°. Best body text is #FFFFFF at 18.38:1 contrast (WCAG AA passes).

Color values

HEX	#1B083A
RGB	rgb(27, 8, 58)
HSL	hsl(263, 76%, 13%)
HSV	hsv(263, 86%, 23%)
CMYK	cmyk(53.4%, 86.2%, 0%, 77.3%)
CIE-LAB	lab(6.43, 22.95, -28.20)
CIE-LCH	lch(6.43, 36.36, 309.14°)
OKLab	oklab(20.29% 0.0369 -0.0814)
OKLCH	oklch(20.29% 0.089 294.4)
XYZ	xyz(1.3023, 0.7121, 4.0710)
Luminance	0.0071 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B083A #273A08

analogous

#080E3A #1B083A #34083A

triadic

#1B083A #3A1B08 #083A1B

tetradic

#1B083A #3A080E #273A08 #083A34

square

#1B083A #3A080E #273A08 #083A34

split-complementary

#1B083A #3A3408 #0E3A08

monochromatic

#0D041B #0D041B #1B083A #340F70 #4D17A6

Accessibility & contrast

On white

18.38

#1B083A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1B083A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B083A

18.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B083A	#FFFFFF	#000000	##FFFFFF
##1B083A	1.00	18.38	1.14	18.38
#FFFFFF	18.38	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00153B

Deuteranopia (green-blind)

#001339

Tritanopia (blue-blind)

#121520

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1b083a;
/* rgb */ color: rgb(27, 8, 58);
/* oklch */ color: oklch(20.3% 0.089 294.4);

Tailwind

colors: {
  custom: {
    50: '#5b4a71',
    500: '#1b083a',
    950: '#000000',
  },
}

SCSS

$custom: #1b083a;
$custom-light: #5b4a71;
$custom-dark: #000000;

JSON

{
  "hex": "#1b083a",
  "rgb": {
    "r": 27,
    "g": 8,
    "b": 58
  },
  "hsl": {
    "h": 262.8,
    "s": 75.758,
    "l": 12.941
  },
  "oklch": {
    "l": 0.20293,
    "c": 0.08936,
    "h": 294.4
  },
  "luminance": 0.00712
}

Semantic roles & 50–950 ramp

primary

#1B083A

secondary

#597925

accent

#F235AB

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #1B083A

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

Preview Lab → · Contrast checker → · Palette generator →