#1B0638#1B0638

#1B0638 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.7% C 0.090 H 296.5°. Best body text is #FFFFFF at 18.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B0638
RGB	rgb(27, 6, 56)
HSL	hsl(265, 81%, 12%)
HSV	hsv(265, 89%, 22%)
CMYK	cmyk(51.8%, 89.3%, 0%, 78%)
CIE-LAB	lab(5.86, 23.18, -27.67)
CIE-LCH	lch(5.86, 36.10, 309.95°)
OKLab	oklab(19.75% 0.04 -0.0804)
OKLCH	oklch(19.75% 0.09 296.5)
XYZ	xyz(1.2307, 0.6488, 3.8010)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0638 #233806

analogous

#060A38 #1B0638 #340638

triadic

#1B0638 #381B06 #06381B

tetradic

#1B0638 #38060A #233806 #063834

square

#1B0638 #38060A #233806 #063834

split-complementary

#1B0638 #383406 #0A3806

monochromatic

#0D031C #0D031C #1B0638 #360C6F #5012A7

Accessibility & contrast

On white

18.59

#1B0638 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1B0638 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0638

18.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0638	#FFFFFF	#000000	##FFFFFF
##1B0638	1.00	18.59	1.13	18.59
#FFFFFF	18.59	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001339

Deuteranopia (green-blind)

#001237

Tritanopia (blue-blind)

#13131E

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1b0638;
/* rgb */ color: rgb(27, 6, 56);
/* oklch */ color: oklch(19.7% 0.090 296.5);

Tailwind

colors: {
  custom: {
    50: '#5b486f',
    500: '#1b0638',
    950: '#000000',
  },
}

SCSS

$custom: #1b0638;
$custom-light: #5b486f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0638",
  "rgb": {
    "r": 27,
    "g": 6,
    "b": 56
  },
  "hsl": {
    "h": 265.2,
    "s": 80.645,
    "l": 12.157
  },
  "oklch": {
    "l": 0.19749,
    "c": 0.08981,
    "h": 296.5
  },
  "luminance": 0.00649
}

Semantic roles & 50–950 ramp

primary

#1B0638

secondary

#547821

accent

#F731A4

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #1B0638

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

Preview Lab → · Contrast checker → · Palette generator →