#1B0A44#1B0A44

#1B0A44 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.7% C 0.100 H 288.4°. Best body text is #FFFFFF at 17.90:1 contrast (WCAG AA passes).

Color values

HEX	#1B0A44
RGB	rgb(27, 10, 68)
HSL	hsl(258, 74%, 15%)
HSV	hsv(258, 85%, 27%)
CMYK	cmyk(60.3%, 85.3%, 0%, 73.3%)
CIE-LAB	lab(7.84, 25.50, -33.06)
CIE-LCH	lch(7.84, 41.76, 307.64°)
OKLab	oklab(21.69% 0.0316 -0.0951)
OKLCH	oklch(21.69% 0.1 288.4)
XYZ	xyz(1.6036, 0.8674, 5.5506)
Luminance	0.0087 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0A44 #33440A

analogous

#0A1644 #1B0A44 #380A44

triadic

#1B0A44 #441B0A #0A441B

tetradic

#1B0A44 #440A16 #33440A #0A4438

square

#1B0A44 #440A16 #33440A #0A4438

split-complementary

#1B0A44 #44380A #16440A

monochromatic

#0B041B #0B041B #1B0A44 #301279 #451AAF

Accessibility & contrast

On white

17.90

#1B0A44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#1B0A44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0A44

17.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0A44	#FFFFFF	#000000	##FFFFFF
##1B0A44	1.00	17.90	1.17	17.90
#FFFFFF	17.90	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001846

Deuteranopia (green-blind)

#001643

Tritanopia (blue-blind)

#0B1A26

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #1b0a44;
/* rgb */ color: rgb(27, 10, 68);
/* oklch */ color: oklch(21.7% 0.100 288.4);

Tailwind

colors: {
  custom: {
    50: '#5d4b79',
    500: '#1b0a44',
    950: '#000000',
  },
}

SCSS

$custom: #1b0a44;
$custom-light: #5d4b79;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0a44",
  "rgb": {
    "r": 27,
    "g": 10,
    "b": 68
  },
  "hsl": {
    "h": 257.586,
    "s": 74.359,
    "l": 15.294
  },
  "oklch": {
    "l": 0.21691,
    "c": 0.10022,
    "h": 288.4
  },
  "luminance": 0.00867
}

Semantic roles & 50–950 ramp

primary

#1B0A44

secondary

#678129

accent

#F137BA

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#050109

muted

#79777B

Preview Lab

Preview with #1B0A44

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

Preview Lab → · Contrast checker → · Palette generator →