#1B022E#1B022E

#1B022E is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 17.9% C 0.085 H 306.0°. Best body text is #FFFFFF at 19.18:1 contrast (WCAG AA passes).

Color values

HEX	#1B022E
RGB	rgb(27, 2, 46)
HSL	hsl(274, 92%, 9%)
HSV	hsv(274, 96%, 18%)
CMYK	cmyk(41.3%, 95.7%, 0%, 82%)
CIE-LAB	lab(4.28, 20.92, -22.81)
CIE-LCH	lch(4.28, 30.95, 312.53°)
OKLab	oklab(17.92% 0.0501 -0.0689)
OKLCH	oklch(17.92% 0.085 306)
XYZ	xyz(0.9667, 0.4737, 2.6247)
Luminance	0.0047 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B022E #152E02

analogous

#05022E #1B022E #2E022B

triadic

#1B022E #2E1B02 #022E1B

tetradic

#1B022E #2E0502 #152E02 #022B2E

square

#1B022E #2E0502 #152E02 #022B2E

split-complementary

#1B022E #2B2E02 #022E05

monochromatic

#11011D #11011D #1B022E #3D0569 #6007A3

Accessibility & contrast

On white

19.18

#1B022E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#1B022E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B022E

19.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B022E	#FFFFFF	#000000	##FFFFFF
##1B022E	1.00	19.18	1.09	19.18
#FFFFFF	19.18	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2F

Deuteranopia (green-blind)

#000F2D

Tritanopia (blue-blind)

#170C17

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #1b022e;
/* rgb */ color: rgb(27, 2, 46);
/* oklch */ color: oklch(17.9% 0.085 306.0);

Tailwind

colors: {
  custom: {
    50: '#594767',
    500: '#1b022e',
    950: '#000000',
  },
}

SCSS

$custom: #1b022e;
$custom-light: #594767;
$custom-dark: #000000;

JSON

{
  "hex": "#1b022e",
  "rgb": {
    "r": 27,
    "g": 2,
    "b": 46
  },
  "hsl": {
    "h": 274.091,
    "s": 91.667,
    "l": 9.412
  },
  "oklch": {
    "l": 0.17921,
    "c": 0.08525,
    "h": 306
  },
  "luminance": 0.00474
}

Semantic roles & 50–950 ramp

primary

#1B022E

secondary

#407319

accent

#FF2985

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040006

muted

#79777A

Preview Lab

Preview with #1B022E

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

Preview Lab → · Contrast checker → · Palette generator →