#1B0738#1B0738

#1B0738 is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 19.9% C 0.088 H 296.0°. Best body text is #FFFFFF at 18.52:1 contrast (WCAG AA passes).

Color values

HEX	#1B0738
RGB	rgb(27, 7, 56)
HSL	hsl(264, 78%, 12%)
HSV	hsv(264, 88%, 22%)
CMYK	cmyk(51.8%, 87.5%, 0%, 78%)
CIE-LAB	lab(6.06, 22.68, -27.36)
CIE-LCH	lch(6.06, 35.54, 309.67°)
OKLab	oklab(19.92% 0.0387 -0.0793)
OKLCH	oklch(19.92% 0.088 296)
XYZ	xyz(1.2416, 0.6705, 3.8046)
Luminance	0.0067 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0738 #243807

analogous

#070B38 #1B0738 #340738

triadic

#1B0738 #381B07 #07381B

tetradic

#1B0738 #38070B #243807 #073834

square

#1B0738 #38070B #243807 #073834

split-complementary

#1B0738 #383407 #0B3807

monochromatic

#0D031B #0D031B #1B0738 #350E6E #4F15A5

Accessibility & contrast

On white

18.52

#1B0738 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1B0738 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0738

18.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0738	#FFFFFF	#000000	##FFFFFF
##1B0738	1.00	18.52	1.13	18.52
#FFFFFF	18.52	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001439

Deuteranopia (green-blind)

#001337

Tritanopia (blue-blind)

#13141F

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1b0738;
/* rgb */ color: rgb(27, 7, 56);
/* oklch */ color: oklch(19.9% 0.088 296.0);

Tailwind

colors: {
  custom: {
    50: '#5b496f',
    500: '#1b0738',
    950: '#000000',
  },
}

SCSS

$custom: #1b0738;
$custom-light: #5b496f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0738",
  "rgb": {
    "r": 27,
    "g": 7,
    "b": 56
  },
  "hsl": {
    "h": 264.49,
    "s": 77.778,
    "l": 12.353
  },
  "oklch": {
    "l": 0.19916,
    "c": 0.08821,
    "h": 296
  },
  "luminance": 0.0067
}

Semantic roles & 50–950 ramp

primary

#1B0738

secondary

#557823

accent

#F434A6

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #1B0738

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

Preview Lab → · Contrast checker → · Palette generator →