#1B0E57#1B0E57

#1B0E57 is a very dark, vivid violet. Relative luminance 0.012; OKLCH L 24.4% C 0.121 H 280.7°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#1B0E57
RGB	rgb(27, 14, 87)
HSL	hsl(251, 72%, 20%)
HSV	hsv(251, 84%, 34%)
CMYK	cmyk(69%, 83.9%, 0%, 65.9%)
CIE-LAB	lab(10.81, 29.65, -41.31)
CIE-LCH	lch(10.81, 50.85, 305.67°)
OKLab	oklab(24.43% 0.0225 -0.1192)
OKLCH	oklch(24.43% 0.121 280.7)
XYZ	xyz(2.3288, 1.2350, 9.1306)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0E57 #4A570E

analogous

#0E2657 #1B0E57 #400E57

triadic

#1B0E57 #571B0E #0E571B

tetradic

#1B0E57 #570E26 #4A570E #0E5740

square

#1B0E57 #570E26 #4A570E #0E5740

split-complementary

#1B0E57 #57400E #26570E

monochromatic

#08041A #0B0622 #1B0E57 #2B168C #3C1FC0

Accessibility & contrast

On white

16.84

#1B0E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#1B0E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0E57

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0E57	#FFFFFF	#000000	##FFFFFF
##1B0E57	1.00	16.84	1.25	16.84
#FFFFFF	16.84	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002059

Deuteranopia (green-blind)

#001A56

Tritanopia (blue-blind)

#002432

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #1b0e57;
/* rgb */ color: rgb(27, 14, 87);
/* oklch */ color: oklch(24.4% 0.121 280.7);

Tailwind

colors: {
  custom: {
    50: '#614f87',
    500: '#1b0e57',
    950: '#000000',
  },
}

SCSS

$custom: #1b0e57;
$custom-light: #614f87;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0e57",
  "rgb": {
    "r": 27,
    "g": 14,
    "b": 87
  },
  "hsl": {
    "h": 250.685,
    "s": 72.277,
    "l": 19.804
  },
  "oklch": {
    "l": 0.24434,
    "c": 0.12133,
    "h": 280.7
  },
  "luminance": 0.01235
}

Semantic roles & 50–950 ramp

primary

#1B0E57

secondary

#809130

accent

#EF39CF

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020B

muted

#7A787C

Preview Lab

Preview with #1B0E57

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

Preview Lab → · Contrast checker → · Palette generator →