#1B0F52#1B0F52

#1B0F52 is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.0% C 0.114 H 281.8°. Best body text is #FFFFFF at 16.98:1 contrast (WCAG AA passes).

Color values

HEX	#1B0F52
RGB	rgb(27, 15, 82)
HSL	hsl(251, 69%, 19%)
HSV	hsv(251, 82%, 32%)
CMYK	cmyk(67.1%, 81.7%, 0%, 67.8%)
CIE-LAB	lab(10.44, 27.35, -38.52)
CIE-LCH	lch(10.44, 47.25, 305.38°)
OKLab	oklab(24% 0.0232 -0.1111)
OKLCH	oklch(24% 0.114 281.8)
XYZ	xyz(2.1453, 1.1837, 8.0964)
Luminance	0.0118 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0F52 #46520F

analogous

#0F2552 #1B0F52 #3D0F52

triadic

#1B0F52 #521B0F #0F521B

tetradic

#1B0F52 #520F25 #46520F #0F523D

square

#1B0F52 #520F25 #46520F #0F523D

split-complementary

#1B0F52 #523D0F #25520F

monochromatic

#09051A #0A061E #1B0F52 #2C1886 #3D22B9

Accessibility & contrast

On white

16.98

#1B0F52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#1B0F52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0F52

16.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0F52	#FFFFFF	#000000	##FFFFFF
##1B0F52	1.00	16.98	1.24	16.98
#FFFFFF	16.98	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F54

Deuteranopia (green-blind)

#001A51

Tritanopia (blue-blind)

#002230

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #1b0f52;
/* rgb */ color: rgb(27, 15, 82);
/* oklch */ color: oklch(24.0% 0.114 281.8);

Tailwind

colors: {
  custom: {
    50: '#604f83',
    500: '#1b0f52',
    950: '#000000',
  },
}

SCSS

$custom: #1b0f52;
$custom-light: #604f83;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0f52",
  "rgb": {
    "r": 27,
    "g": 15,
    "b": 82
  },
  "hsl": {
    "h": 250.746,
    "s": 69.072,
    "l": 19.02
  },
  "oklch": {
    "l": 0.23997,
    "c": 0.1135,
    "h": 281.8
  },
  "luminance": 0.01184
}

Semantic roles & 50–950 ramp

primary

#1B0F52

secondary

#7C8C31

accent

#EC3CCC

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#05020B

muted

#7A787C

Preview Lab

Preview with #1B0F52

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

Preview Lab → · Contrast checker → · Palette generator →