#1B0F56#1B0F56

#1B0F56 is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.5% C 0.119 H 280.7°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B0F56
RGB	rgb(27, 15, 86)
HSL	hsl(250, 70%, 20%)
HSV	hsv(250, 83%, 34%)
CMYK	cmyk(68.6%, 82.6%, 0%, 66.3%)
CIE-LAB	lab(10.90, 28.74, -40.50)
CIE-LCH	lch(10.90, 49.66, 305.36°)
OKLab	oklab(24.46% 0.0221 -0.1169)
OKLCH	oklch(24.46% 0.119 280.7)
XYZ	xyz(2.3020, 1.2464, 8.9216)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0F56 #4A560F

analogous

#0F2656 #1B0F56 #3F0F56

triadic

#1B0F56 #561B0F #0F561B

tetradic

#1B0F56 #560F26 #4A560F #0F563F

square

#1B0F56 #560F26 #4A560F #0F563F

split-complementary

#1B0F56 #563F0F #26560F

monochromatic

#08051A #0B0622 #1B0F56 #2B188A #3C21BE

Accessibility & contrast

On white

16.81

#1B0F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#1B0F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0F56

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0F56	#FFFFFF	#000000	##FFFFFF
##1B0F56	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002058

Deuteranopia (green-blind)

#001B55

Tritanopia (blue-blind)

#002432

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #1b0f56;
/* rgb */ color: rgb(27, 15, 86);
/* oklch */ color: oklch(24.5% 0.119 280.7);

Tailwind

colors: {
  custom: {
    50: '#614f86',
    500: '#1b0f56',
    950: '#000000',
  },
}

SCSS

$custom: #1b0f56;
$custom-light: #614f86;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0f56",
  "rgb": {
    "r": 27,
    "g": 15,
    "b": 86
  },
  "hsl": {
    "h": 250.141,
    "s": 70.297,
    "l": 19.804
  },
  "oklch": {
    "l": 0.24457,
    "c": 0.11893,
    "h": 280.7
  },
  "luminance": 0.01247
}

Semantic roles & 50–950 ramp

primary

#1B0F56

secondary

#809031

accent

#ED3BCF

background

#F6F4F8

surface

#EBE7EF

border

#C6C3CA

text

#05020B

muted

#7A787C

Preview Lab

Preview with #1B0F56

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

Preview Lab → · Contrast checker → · Palette generator →