#1B0330#1B0330

#1B0330 is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.3% C 0.085 H 303.8°. Best body text is #FFFFFF at 19.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B0330
RGB	rgb(27, 3, 48)
HSL	hsl(272, 88%, 10%)
HSV	hsv(272, 94%, 19%)
CMYK	cmyk(43.8%, 93.8%, 0%, 81.2%)
CIE-LAB	lab(4.62, 21.33, -23.77)
CIE-LCH	lch(4.62, 31.93, 311.91°)
OKLab	oklab(18.34% 0.0475 -0.0709)
OKLCH	oklch(18.34% 0.085 303.8)
XYZ	xyz(1.0179, 0.5115, 2.8408)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0330 #183003

analogous

#050330 #1B0330 #30032E

triadic

#1B0330 #301B03 #03301B

tetradic

#1B0330 #300503 #183003 #032E30

square

#1B0330 #300503 #183003 #032E30

split-complementary

#1B0330 #2E3003 #033005

monochromatic

#10021D #10021D #1B0330 #3B076A #5C0AA3

Accessibility & contrast

On white

19.05

#1B0330 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#1B0330 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0330

19.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0330	#FFFFFF	#000000	##FFFFFF
##1B0330	1.00	19.05	1.10	19.05
#FFFFFF	19.05	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F31

Deuteranopia (green-blind)

#00102F

Tritanopia (blue-blind)

#170E19

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1b0330;
/* rgb */ color: rgb(27, 3, 48);
/* oklch */ color: oklch(18.3% 0.085 303.8);

Tailwind

colors: {
  custom: {
    50: '#594769',
    500: '#1b0330',
    950: '#000000',
  },
}

SCSS

$custom: #1b0330;
$custom-light: #594769;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0330",
  "rgb": {
    "r": 27,
    "g": 3,
    "b": 48
  },
  "hsl": {
    "h": 272,
    "s": 88.235,
    "l": 10
  },
  "oklch": {
    "l": 0.18337,
    "c": 0.08537,
    "h": 303.8
  },
  "luminance": 0.00512
}

Semantic roles & 50–950 ramp

primary

#1B0330

secondary

#44731B

accent

#FE298D

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1B0330

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

Preview Lab → · Contrast checker → · Palette generator →