#1B0947#1B0947

#1B0947 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.9% C 0.105 H 287.4°. Best body text is #FFFFFF at 17.85:1 contrast (WCAG AA passes).

Color values

HEX	#1B0947
RGB	rgb(27, 9, 71)
HSL	hsl(257, 78%, 16%)
HSV	hsv(257, 87%, 28%)
CMYK	cmyk(62%, 87.3%, 0%, 72.2%)
CIE-LAB	lab(7.98, 27.06, -34.94)
CIE-LCH	lch(7.98, 44.20, 307.76°)
OKLab	oklab(21.9% 0.0315 -0.1006)
OKLCH	oklch(21.9% 0.105 287.4)
XYZ	xyz(1.6867, 0.8832, 6.0416)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.06

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0947 #354709

analogous

#091647 #1B0947 #3A0947

triadic

#1B0947 #471B09 #09471B

tetradic

#1B0947 #470916 #354709 #09473A

square

#1B0947 #470916 #354709 #09473A

split-complementary

#1B0947 #473A09 #164709

monochromatic

#0A031B #0A031B #1B0947 #30107D #4417B4

Accessibility & contrast

On white

17.85

#1B0947 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#1B0947 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0947

17.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0947	#FFFFFF	#000000	##FFFFFF
##1B0947	1.00	17.85	1.18	17.85
#FFFFFF	17.85	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001949

Deuteranopia (green-blind)

#001646

Tritanopia (blue-blind)

#081B28

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #1b0947;
/* rgb */ color: rgb(27, 9, 71);
/* oklch */ color: oklch(21.9% 0.105 287.4);

Tailwind

colors: {
  custom: {
    50: '#5e4b7b',
    500: '#1b0947',
    950: '#000000',
  },
}

SCSS

$custom: #1b0947;
$custom-light: #5e4b7b;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0947",
  "rgb": {
    "r": 27,
    "g": 9,
    "b": 71
  },
  "hsl": {
    "h": 257.419,
    "s": 77.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.21895,
    "c": 0.10539,
    "h": 287.4
  },
  "luminance": 0.00883
}

Semantic roles & 50–950 ramp

primary

#1B0947

secondary

#698427

accent

#F434BC

background

#F5F4F7

surface

#E9E7EE

border

#C5C3C9

text

#050109

muted

#79777B

Preview Lab

Preview with #1B0947

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

Preview Lab → · Contrast checker → · Palette generator →