#1B0840#1B0840

#1B0840 is a very dark, moderate violet. Relative luminance 0.008; OKLCH L 21.0% C 0.097 H 291.0°. Best body text is #FFFFFF at 18.18:1 contrast (WCAG AA passes).

Color values

HEX	#1B0840
RGB	rgb(27, 8, 64)
HSL	hsl(260, 78%, 14%)
HSV	hsv(260, 88%, 25%)
CMYK	cmyk(57.8%, 87.5%, 0%, 74.9%)
CIE-LAB	lab(7.02, 25.19, -31.56)
CIE-LCH	lch(7.02, 40.39, 308.60°)
OKLab	oklab(20.95% 0.0349 -0.0909)
OKLCH	oklch(20.95% 0.097 291)
XYZ	xyz(1.4640, 0.7768, 4.9223)
Luminance	0.0078 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0840 #2D4008

analogous

#081140 #1B0840 #370840

triadic

#1B0840 #401B08 #08401B

tetradic

#1B0840 #400811 #2D4008 #084037

square

#1B0840 #400811 #2D4008 #084037

split-complementary

#1B0840 #403708 #114008

monochromatic

#0B031B #0B031B #1B0840 #320F76 #4916AD

Accessibility & contrast

On white

18.18

#1B0840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#1B0840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0840

18.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0840	#FFFFFF	#000000	##FFFFFF
##1B0840	1.00	18.18	1.16	18.18
#FFFFFF	18.18	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001642

Deuteranopia (green-blind)

#00143F

Tritanopia (blue-blind)

#0E1824

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #1b0840;
/* rgb */ color: rgb(27, 8, 64);
/* oklch */ color: oklch(21.0% 0.097 291.0);

Tailwind

colors: {
  custom: {
    50: '#5d4a75',
    500: '#1b0840',
    950: '#000000',
  },
}

SCSS

$custom: #1b0840;
$custom-light: #5d4a75;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0840",
  "rgb": {
    "r": 27,
    "g": 8,
    "b": 64
  },
  "hsl": {
    "h": 260.357,
    "s": 77.778,
    "l": 14.118
  },
  "oklch": {
    "l": 0.20953,
    "c": 0.09737,
    "h": 291
  },
  "luminance": 0.00777
}

Semantic roles & 50–950 ramp

primary

#1B0840

secondary

#607E25

accent

#F434B3

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #1B0840

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

Preview Lab → · Contrast checker → · Palette generator →