#1B053F#1B053F

#1B053F is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.4% C 0.100 H 292.6°. Best body text is #FFFFFF at 18.42:1 contrast (WCAG AA passes).

Color values

HEX	#1B053F
RGB	rgb(27, 5, 63)
HSL	hsl(263, 85%, 13%)
HSV	hsv(263, 92%, 25%)
CMYK	cmyk(57.1%, 92.1%, 0%, 75.3%)
CIE-LAB	lab(6.33, 26.42, -31.98)
CIE-LCH	lch(6.33, 41.48, 309.57°)
OKLab	oklab(20.38% 0.0385 -0.0925)
OKLCH	oklch(20.38% 0.1 292.6)
XYZ	xyz(1.4032, 0.7004, 4.7629)
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

#1B053F #293F05

analogous

#050C3F #1B053F #38053F

triadic

#1B053F #3F1B05 #053F1B

tetradic

#1B053F #3F050C #293F05 #053F38

square

#1B053F #3F050C #293F05 #053F38

split-complementary

#1B053F #3F3805 #0C3F05

monochromatic

#0C021C #0C021C #1B053F #330978 #4C0EB0

Accessibility & contrast

On white

18.42

#1B053F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#1B053F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B053F

18.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B053F	#FFFFFF	#000000	##FFFFFF
##1B053F	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)

#001541

Deuteranopia (green-blind)

#00133E

Tritanopia (blue-blind)

#0F1622

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #1b053f;
/* rgb */ color: rgb(27, 5, 63);
/* oklch */ color: oklch(20.4% 0.100 292.6);

Tailwind

colors: {
  custom: {
    50: '#5d4875',
    500: '#1b053f',
    950: '#000000',
  },
}

SCSS

$custom: #1b053f;
$custom-light: #5d4875;
$custom-dark: #000000;

JSON

{
  "hex": "#1b053f",
  "rgb": {
    "r": 27,
    "g": 5,
    "b": 63
  },
  "hsl": {
    "h": 262.759,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.20378,
    "c": 0.1002,
    "h": 292.6
  },
  "luminance": 0.007
}

Semantic roles & 50–950 ramp

primary

#1B053F

secondary

#5B8020

accent

#FC2CAD

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#040008

muted

#79777B

Preview Lab

Preview with #1B053F

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

Preview Lab → · Contrast checker → · Palette generator →