#1B053C#1B053C

#1B053C is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.0% C 0.096 H 294.3°. Best body text is #FFFFFF at 18.53:1 contrast (WCAG AA passes).

Color values

HEX	#1B053C
RGB	rgb(27, 5, 60)
HSL	hsl(264, 85%, 13%)
HSV	hsv(264, 92%, 24%)
CMYK	cmyk(55%, 91.7%, 0%, 76.5%)
CIE-LAB	lab(6.03, 25.27, -30.30)
CIE-LCH	lch(6.03, 39.45, 309.83°)
OKLab	oklab(20.03% 0.0398 -0.0879)
OKLCH	oklch(20.03% 0.096 294.3)
XYZ	xyz(1.3217, 0.6678, 4.3333)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B053C #263C05

analogous

#050B3C #1B053C #36053C

triadic

#1B053C #3C1B05 #053C1B

tetradic

#1B053C #3C050B #263C05 #053C36

square

#1B053C #3C050B #263C05 #053C36

split-complementary

#1B053C #3C3605 #0B3C05

monochromatic

#0D021C #0D021C #1B053C #340A74 #4E0EAD

Accessibility & contrast

On white

18.53

#1B053C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1B053C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B053C

18.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B053C	#FFFFFF	#000000	##FFFFFF
##1B053C	1.00	18.53	1.13	18.53
#FFFFFF	18.53	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00143E

Deuteranopia (green-blind)

#00123B

Tritanopia (blue-blind)

#111421

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1b053c;
/* rgb */ color: rgb(27, 5, 60);
/* oklch */ color: oklch(20.0% 0.096 294.3);

Tailwind

colors: {
  custom: {
    50: '#5c4872',
    500: '#1b053c',
    950: '#000000',
  },
}

SCSS

$custom: #1b053c;
$custom-light: #5c4872;
$custom-dark: #000000;

JSON

{
  "hex": "#1b053c",
  "rgb": {
    "r": 27,
    "g": 5,
    "b": 60
  },
  "hsl": {
    "h": 264,
    "s": 84.615,
    "l": 12.745
  },
  "oklch": {
    "l": 0.20031,
    "c": 0.09645,
    "h": 294.3
  },
  "luminance": 0.00668
}

Semantic roles & 50–950 ramp

primary

#1B053C

secondary

#587D20

accent

#FB2DA8

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#040008

muted

#79777B

Preview Lab

Preview with #1B053C

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

Preview Lab → · Contrast checker → · Palette generator →