#1D043B#1D043B

#1D043B is a very dark, moderate violet. Relative luminance 0.007; OKLCH L 20.0% C 0.097 H 297.8°. Best body text is #FFFFFF at 18.54:1 contrast (WCAG AA passes).

Color values

HEX	#1D043B
RGB	rgb(29, 4, 59)
HSL	hsl(267, 87%, 12%)
HSV	hsv(267, 93%, 23%)
CMYK	cmyk(50.8%, 93.2%, 0%, 76.9%)
CIE-LAB	lab(6.00, 25.96, -29.62)
CIE-LCH	lch(6.00, 39.39, 311.23°)
OKLab	oklab(20.03% 0.0452 -0.0858)
OKLCH	oklch(20.03% 0.097 297.8)
XYZ	xyz(1.3393, 0.6638, 4.1944)
Luminance	0.0066 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D043B #223B04

analogous

#04063B #1D043B #39043B

triadic

#1D043B #3B1D04 #043B1D

tetradic

#1D043B #3B0406 #223B04 #043B39

square

#1D043B #3B0406 #223B04 #043B39

split-complementary

#1D043B #3B3904 #063B04

monochromatic

#0E021D #0E021D #1D043B #390874 #550CAE

Accessibility & contrast

On white

18.54

#1D043B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#1D043B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D043B

18.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D043B	#FFFFFF	#000000	##FFFFFF
##1D043B	1.00	18.54	1.13	18.54
#FFFFFF	18.54	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133C

Deuteranopia (green-blind)

#00133A

Tritanopia (blue-blind)

#151320

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #1d043b;
/* rgb */ color: rgb(29, 4, 59);
/* oklch */ color: oklch(20.0% 0.097 297.8);

Tailwind

colors: {
  custom: {
    50: '#5d4871',
    500: '#1d043b',
    950: '#000000',
  },
}

SCSS

$custom: #1d043b;
$custom-light: #5d4871;
$custom-dark: #000000;

JSON

{
  "hex": "#1d043b",
  "rgb": {
    "r": 29,
    "g": 4,
    "b": 59
  },
  "hsl": {
    "h": 267.273,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.20034,
    "c": 0.097,
    "h": 297.8
  },
  "luminance": 0.00664
}

Semantic roles & 50–950 ramp

primary

#1D043B

secondary

#527D1E

accent

#FD2A9D

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040008

muted

#79777B

Preview Lab

Preview with #1D043B

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

Preview Lab → · Contrast checker → · Palette generator →