#1B0D40#1B0D40

#1B0D40 is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.7% C 0.091 H 289.1°. Best body text is #FFFFFF at 17.82:1 contrast (WCAG AA passes).

Color values

HEX	#1B0D40
RGB	rgb(27, 13, 64)
HSL	hsl(256, 66%, 15%)
HSV	hsv(256, 80%, 25%)
CMYK	cmyk(57.8%, 79.7%, 0%, 74.9%)
CIE-LAB	lab(8.05, 22.35, -29.88)
CIE-LCH	lch(8.05, 37.31, 306.79°)
OKLab	oklab(21.71% 0.0298 -0.0858)
OKLCH	oklch(21.71% 0.091 289.1)
XYZ	xyz(1.5211, 0.8910, 4.9413)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0D40 #32400D

analogous

#0D1840 #1B0D40 #350D40

triadic

#1B0D40 #401B0D #0D401B

tetradic

#1B0D40 #400D18 #32400D #0D4035

square

#1B0D40 #400D18 #32400D #0D4035

split-complementary

#1B0D40 #40350D #18400D

monochromatic

#0B0519 #0B0519 #1B0D40 #301773 #4622A6

Accessibility & contrast

On white

17.82

#1B0D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#1B0D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0D40

17.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0D40	#FFFFFF	#000000	##FFFFFF
##1B0D40	1.00	17.82	1.18	17.82
#FFFFFF	17.82	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001942

Deuteranopia (green-blind)

#00163F

Tritanopia (blue-blind)

#0E1A25

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #1b0d40;
/* rgb */ color: rgb(27, 13, 64);
/* oklch */ color: oklch(21.7% 0.091 289.1);

Tailwind

colors: {
  custom: {
    50: '#5c4d75',
    500: '#1b0d40',
    950: '#000000',
  },
}

SCSS

$custom: #1b0d40;
$custom-light: #5c4d75;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0d40",
  "rgb": {
    "r": 27,
    "g": 13,
    "b": 64
  },
  "hsl": {
    "h": 256.471,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.21711,
    "c": 0.09079,
    "h": 289.1
  },
  "luminance": 0.00891
}

Semantic roles & 50–950 ramp

primary

#1B0D40

secondary

#667C2D

accent

#E93FBA

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040108

muted

#79777B

Preview Lab

Preview with #1B0D40

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

Preview Lab → · Contrast checker → · Palette generator →