#1B0441#1B0441

#1B0441 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.5% C 0.104 H 291.8°. Best body text is #FFFFFF at 18.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B0441
RGB	rgb(27, 4, 65)
HSL	hsl(263, 88%, 14%)
HSV	hsv(263, 94%, 25%)
CMYK	cmyk(58.5%, 93.8%, 0%, 74.5%)
CIE-LAB	lab(6.34, 27.71, -33.39)
CIE-LCH	lch(6.34, 43.39, 309.69°)
OKLab	oklab(20.46% 0.0387 -0.0966)
OKLCH	oklch(20.46% 0.104 291.8)
XYZ	xyz(1.4493, 0.7014, 5.0590)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0441 #2A4104

analogous

#040B41 #1B0441 #390441

triadic

#1B0441 #411B04 #04411B

tetradic

#1B0441 #41040B #2A4104 #044139

square

#1B0441 #41040B #2A4104 #044139

split-complementary

#1B0441 #413904 #0B4104

monochromatic

#0C021D #0C021D #1B0441 #33087B #4B0BB4

Accessibility & contrast

On white

18.42

#1B0441 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1B0441 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0441

18.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0441	#FFFFFF	#000000	##FFFFFF
##1B0441	1.00	18.42	1.14	18.42
#FFFFFF	18.42	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001543

Deuteranopia (green-blind)

#001340

Tritanopia (blue-blind)

#0E1623

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1b0441;
/* rgb */ color: rgb(27, 4, 65);
/* oklch */ color: oklch(20.5% 0.104 291.8);

Tailwind

colors: {
  custom: {
    50: '#5d4876',
    500: '#1b0441',
    950: '#000000',
  },
}

SCSS

$custom: #1b0441;
$custom-light: #5d4876;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0441",
  "rgb": {
    "r": 27,
    "g": 4,
    "b": 65
  },
  "hsl": {
    "h": 262.623,
    "s": 88.406,
    "l": 13.529
  },
  "oklch": {
    "l": 0.20458,
    "c": 0.10409,
    "h": 291.8
  },
  "luminance": 0.00701
}

Semantic roles & 50–950 ramp

primary

#1B0441

secondary

#5D821F

accent

#FF29AE

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#050008

muted

#79777B

Preview Lab

Preview with #1B0441

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

Preview Lab → · Contrast checker → · Palette generator →