#1B053A#1B053A

#1B053A is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.8% C 0.094 H 295.6°. Best body text is #FFFFFF at 18.59:1 contrast (WCAG AA passes).

Color values

HEX	#1B053A
RGB	rgb(27, 5, 58)
HSL	hsl(265, 84%, 12%)
HSV	hsv(265, 91%, 23%)
CMYK	cmyk(53.4%, 91.4%, 0%, 77.3%)
CIE-LAB	lab(5.84, 24.48, -29.15)
CIE-LCH	lch(5.84, 38.07, 310.02°)
OKLab	oklab(19.8% 0.0406 -0.0847)
OKLCH	oklch(19.8% 0.094 295.6)
XYZ	xyz(1.2698, 0.6470, 4.0601)
Luminance	0.0065 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B053A #243A05

analogous

#05093A #1B053A #36053A

triadic

#1B053A #3A1B05 #053A1B

tetradic

#1B053A #3A0509 #243A05 #053A36

square

#1B053A #3A0509 #243A05 #053A36

split-complementary

#1B053A #3A3605 #093A05

monochromatic

#0D021C #0D021C #1B053A #350A72 #4F0FAB

Accessibility & contrast

On white

18.59

#1B053A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1B053A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B053A

18.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B053A	#FFFFFF	#000000	##FFFFFF
##1B053A	1.00	18.59	1.13	18.59
#FFFFFF	18.59	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133B

Deuteranopia (green-blind)

#001239

Tritanopia (blue-blind)

#12141F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1b053a;
/* rgb */ color: rgb(27, 5, 58);
/* oklch */ color: oklch(19.8% 0.094 295.6);

Tailwind

colors: {
  custom: {
    50: '#5b4871',
    500: '#1b053a',
    950: '#000000',
  },
}

SCSS

$custom: #1b053a;
$custom-light: #5b4871;
$custom-dark: #000000;

JSON

{
  "hex": "#1b053a",
  "rgb": {
    "r": 27,
    "g": 5,
    "b": 58
  },
  "hsl": {
    "h": 264.906,
    "s": 84.127,
    "l": 12.353
  },
  "oklch": {
    "l": 0.19803,
    "c": 0.09395,
    "h": 295.6
  },
  "luminance": 0.00647
}

Semantic roles & 50–950 ramp

primary

#1B053A

secondary

#557B20

accent

#FA2DA5

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040007

muted

#79777A

Preview Lab

Preview with #1B053A

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

Preview Lab → · Contrast checker → · Palette generator →