#1B0633#1B0633

#1B0633 is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.2% C 0.083 H 300.0°. Best body text is #FFFFFF at 18.74:1 contrast (WCAG AA passes).

Color values

HEX	#1B0633
RGB	rgb(27, 6, 51)
HSL	hsl(268, 79%, 11%)
HSV	hsv(268, 88%, 20%)
CMYK	cmyk(47.1%, 88.2%, 0%, 80%)
CIE-LAB	lab(5.44, 21.18, -24.68)
CIE-LCH	lch(5.44, 32.52, 310.63°)
OKLab	oklab(19.22% 0.0417 -0.0722)
OKLCH	oklch(19.22% 0.083 300)
XYZ	xyz(1.1145, 0.6023, 3.1889)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0633 #1E3306

analogous

#060733 #1B0633 #310633

triadic

#1B0633 #331B06 #06331B

tetradic

#1B0633 #330607 #1E3306 #063331

square

#1B0633 #330607 #1E3306 #063331

split-complementary

#1B0633 #333106 #073306

monochromatic

#0E031B #0E031B #1B0633 #380C6A #5513A1

Accessibility & contrast

On white

18.74

#1B0633 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#1B0633 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0633

18.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0633	#FFFFFF	#000000	##FFFFFF
##1B0633	1.00	18.74	1.12	18.74
#FFFFFF	18.74	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001234

Deuteranopia (green-blind)

#001232

Tritanopia (blue-blind)

#15111C

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #1b0633;
/* rgb */ color: rgb(27, 6, 51);
/* oklch */ color: oklch(19.2% 0.083 300.0);

Tailwind

colors: {
  custom: {
    50: '#5a486b',
    500: '#1b0633',
    950: '#000000',
  },
}

SCSS

$custom: #1b0633;
$custom-light: #5a486b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0633",
  "rgb": {
    "r": 27,
    "g": 6,
    "b": 51
  },
  "hsl": {
    "h": 268,
    "s": 78.947,
    "l": 11.176
  },
  "oklch": {
    "l": 0.19215,
    "c": 0.08333,
    "h": 300
  },
  "luminance": 0.00602
}

Semantic roles & 50–950 ramp

primary

#1B0633

secondary

#4D7421

accent

#F5329A

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1B0633

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

Preview Lab → · Contrast checker → · Palette generator →