#1B0641#1B0641

#1B0641 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.8% C 0.101 H 291.2°. Best body text is #FFFFFF at 18.28:1 contrast (WCAG AA passes).

Color values

HEX	#1B0641
RGB	rgb(27, 6, 65)
HSL	hsl(261, 83%, 14%)
HSV	hsv(261, 91%, 25%)
CMYK	cmyk(58.5%, 90.8%, 0%, 74.5%)
CIE-LAB	lab(6.73, 26.63, -32.75)
CIE-LCH	lch(6.73, 42.21, 309.12°)
OKLab	oklab(20.77% 0.0366 -0.0945)
OKLCH	oklch(20.77% 0.101 291.2)
XYZ	xyz(1.4710, 0.7449, 5.0663)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0641 #2C4106

analogous

#060F41 #1B0641 #390641

triadic

#1B0641 #411B06 #06411B

tetradic

#1B0641 #41060F #2C4106 #064139

square

#1B0641 #41060F #2C4106 #064139

split-complementary

#1B0641 #413906 #0F4106

monochromatic

#0C031C #0C031C #1B0641 #320B79 #4A10B1

Accessibility & contrast

On white

18.28

#1B0641 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#1B0641 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0641

18.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0641	#FFFFFF	#000000	##FFFFFF
##1B0641	1.00	18.28	1.15	18.28
#FFFFFF	18.28	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001643

Deuteranopia (green-blind)

#001440

Tritanopia (blue-blind)

#0D1724

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #1b0641;
/* rgb */ color: rgb(27, 6, 65);
/* oklch */ color: oklch(20.8% 0.101 291.2);

Tailwind

colors: {
  custom: {
    50: '#5d4976',
    500: '#1b0641',
    950: '#000000',
  },
}

SCSS

$custom: #1b0641;
$custom-light: #5d4976;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0641",
  "rgb": {
    "r": 27,
    "g": 6,
    "b": 65
  },
  "hsl": {
    "h": 261.356,
    "s": 83.099,
    "l": 13.922
  },
  "oklch": {
    "l": 0.20766,
    "c": 0.10132,
    "h": 291.2
  },
  "luminance": 0.00745
}

Semantic roles & 50–950 ramp

primary

#1B0641

secondary

#5F8122

accent

#F92EB1

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#050108

muted

#79777B

Preview Lab

Preview with #1B0641

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

Preview Lab → · Contrast checker → · Palette generator →