#1B052E#1B052E

#1B052E is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.5% C 0.079 H 304.6°. Best body text is #FFFFFF at 18.96:1 contrast (WCAG AA passes).

Color values

HEX	#1B052E
RGB	rgb(27, 5, 46)
HSL	hsl(272, 80%, 10%)
HSV	hsv(272, 89%, 18%)
CMYK	cmyk(41.3%, 89.1%, 0%, 82%)
CIE-LAB	lab(4.87, 19.59, -21.88)
CIE-LCH	lch(4.87, 29.37, 311.85°)
OKLab	oklab(18.52% 0.0447 -0.0649)
OKLCH	oklch(18.52% 0.079 304.6)
XYZ	xyz(0.9993, 0.5388, 2.6356)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B052E #182E05

analogous

#06052E #1B052E #2E052D

triadic

#1B052E #2E1B05 #052E1B

tetradic

#1B052E #2E0605 #182E05 #052D2E

square

#1B052E #2E0605 #182E05 #052D2E

split-complementary

#1B052E #2D2E05 #052E06

monochromatic

#10031C #10031C #1B052E #3B0B65 #5C119C

Accessibility & contrast

On white

18.96

#1B052E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#1B052E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B052E

18.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B052E	#FFFFFF	#000000	##FFFFFF
##1B052E	1.00	18.96	1.11	18.96
#FFFFFF	18.96	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102F

Deuteranopia (green-blind)

#00102D

Tritanopia (blue-blind)

#170F18

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #1b052e;
/* rgb */ color: rgb(27, 5, 46);
/* oklch */ color: oklch(18.5% 0.079 304.6);

Tailwind

colors: {
  custom: {
    50: '#594867',
    500: '#1b052e',
    950: '#000000',
  },
}

SCSS

$custom: #1b052e;
$custom-light: #594867;
$custom-dark: #000000;

JSON

{
  "hex": "#1b052e",
  "rgb": {
    "r": 27,
    "g": 5,
    "b": 46
  },
  "hsl": {
    "h": 272.195,
    "s": 80.392,
    "l": 10
  },
  "oklch": {
    "l": 0.18516,
    "c": 0.0788,
    "h": 304.6
  },
  "luminance": 0.00539
}

Semantic roles & 50–950 ramp

primary

#1B052E

secondary

#44701F

accent

#F7318D

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#030006

muted

#78777A

Preview Lab

Preview with #1B052E

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

Preview Lab → · Contrast checker → · Palette generator →