#1B0D4C#1B0D4C

#1B0D4C is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 23.0% C 0.108 H 284.3°. Best body text is #FFFFFF at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#1B0D4C
RGB	rgb(27, 13, 76)
HSL	hsl(253, 71%, 17%)
HSV	hsv(253, 83%, 30%)
CMYK	cmyk(64.5%, 82.9%, 0%, 70.2%)
CIE-LAB	lab(9.34, 26.47, -36.19)
CIE-LCH	lch(9.34, 44.84, 306.18°)
OKLab	oklab(23.02% 0.0266 -0.1043)
OKLCH	oklch(23.02% 0.108 284.3)
XYZ	xyz(1.9000, 1.0425, 6.9372)
Luminance	0.0104 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.14

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0D4C #3E4C0D

analogous

#0D1F4C #1B0D4C #3A0D4C

triadic

#1B0D4C #4C1B0D #0D4C1B

tetradic

#1B0D4C #4C0D1F #3E4C0D #0D4C3A

square

#1B0D4C #4C0D1F #3E4C0D #0D4C3A

split-complementary

#1B0D4C #4C3A0D #1F4C0D

monochromatic

#09041A #09041A #1B0D4C #2E1680 #401FB5

Accessibility & contrast

On white

17.38

#1B0D4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#1B0D4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0D4C

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0D4C	#FFFFFF	#000000	##FFFFFF
##1B0D4C	1.00	17.38	1.21	17.38
#FFFFFF	17.38	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C4E

Deuteranopia (green-blind)

#00184B

Tritanopia (blue-blind)

#021F2C

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #1b0d4c;
/* rgb */ color: rgb(27, 13, 76);
/* oklch */ color: oklch(23.0% 0.108 284.3);

Tailwind

colors: {
  custom: {
    50: '#5f4d7f',
    500: '#1b0d4c',
    950: '#000000',
  },
}

SCSS

$custom: #1b0d4c;
$custom-light: #5f4d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0d4c",
  "rgb": {
    "r": 27,
    "g": 13,
    "b": 76
  },
  "hsl": {
    "h": 253.333,
    "s": 70.787,
    "l": 17.451
  },
  "oklch": {
    "l": 0.23021,
    "c": 0.10759,
    "h": 284.3
  },
  "luminance": 0.01043
}

Semantic roles & 50–950 ramp

primary

#1B0D4C

secondary

#73872E

accent

#EE3AC6

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05010A

muted

#79777C

Preview Lab

Preview with #1B0D4C

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

Preview Lab → · Contrast checker → · Palette generator →