#1B0F55#1B0F55

#1B0F55 is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.3% C 0.118 H 281.0°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#1B0F55
RGB	rgb(27, 15, 85)
HSL	hsl(250, 70%, 20%)
HSV	hsv(250, 82%, 33%)
CMYK	cmyk(68.2%, 82.4%, 0%, 66.7%)
CIE-LAB	lab(10.78, 28.39, -40.01)
CIE-LCH	lch(10.78, 49.06, 305.36°)
OKLab	oklab(24.34% 0.0224 -0.1154)
OKLCH	oklch(24.34% 0.118 281)
XYZ	xyz(2.2620, 1.2304, 8.7109)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0F55 #49550F

analogous

#0F2655 #1B0F55 #3E0F55

triadic

#1B0F55 #551B0F #0F551B

tetradic

#1B0F55 #550F26 #49550F #0F553E

square

#1B0F55 #550F26 #49550F #0F553E

split-complementary

#1B0F55 #553E0F #26550F

monochromatic

#08051A #0A0621 #1B0F55 #2C1889 #3C21BD

Accessibility & contrast

On white

16.85

#1B0F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#1B0F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0F55

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0F55	#FFFFFF	#000000	##FFFFFF
##1B0F55	1.00	16.85	1.25	16.85
#FFFFFF	16.85	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001F57

Deuteranopia (green-blind)

#001A54

Tritanopia (blue-blind)

#002331

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #1b0f55;
/* rgb */ color: rgb(27, 15, 85);
/* oklch */ color: oklch(24.3% 0.118 281.0);

Tailwind

colors: {
  custom: {
    50: '#614f86',
    500: '#1b0f55',
    950: '#000000',
  },
}

SCSS

$custom: #1b0f55;
$custom-light: #614f86;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0f55",
  "rgb": {
    "r": 27,
    "g": 15,
    "b": 85
  },
  "hsl": {
    "h": 250.286,
    "s": 70,
    "l": 19.608
  },
  "oklch": {
    "l": 0.24341,
    "c": 0.11758,
    "h": 281
  },
  "luminance": 0.01231
}

Semantic roles & 50–950 ramp

primary

#1B0F55

secondary

#7F8F31

accent

#ED3BCE

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#05020B

muted

#7A787C

Preview Lab

Preview with #1B0F55

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

Preview Lab → · Contrast checker → · Palette generator →