#1D103A#1D103A

#1D103A is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 21.9% C 0.077 H 293.2°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#1D103A
RGB	rgb(29, 16, 58)
HSL	hsl(259, 57%, 15%)
HSV	hsv(259, 72%, 23%)
CMYK	cmyk(50%, 72.4%, 0%, 77.3%)
CIE-LAB	lab(8.46, 18.75, -24.90)
CIE-LCH	lch(8.46, 31.17, 306.97°)
OKLab	oklab(21.89% 0.0305 -0.0711)
OKLCH	oklch(21.89% 0.077 293.2)
XYZ	xyz(1.4555, 0.9372, 4.1064)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Purple

#280137

ΔE00 5.90

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D103A #2D3A10

analogous

#10183A #1D103A #32103A

triadic

#1D103A #3A1D10 #103A1D

tetradic

#1D103A #3A1018 #2D3A10 #103A32

square

#1D103A #3A1018 #2D3A10 #103A32

split-complementary

#1D103A #3A3210 #183A10

monochromatic

#0C0718 #0C0718 #1D103A #351D6A #4D2A9A

Accessibility & contrast

On white

17.69

#1D103A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#1D103A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D103A

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D103A	#FFFFFF	#000000	##FFFFFF
##1D103A	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193B

Deuteranopia (green-blind)

#001839

Tritanopia (blue-blind)

#151A23

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #1d103a;
/* rgb */ color: rgb(29, 16, 58);
/* oklch */ color: oklch(21.9% 0.077 293.2);

Tailwind

colors: {
  custom: {
    50: '#5c4e70',
    500: '#1d103a',
    950: '#000000',
  },
}

SCSS

$custom: #1d103a;
$custom-light: #5c4e70;
$custom-dark: #000000;

JSON

{
  "hex": "#1d103a",
  "rgb": {
    "r": 29,
    "g": 16,
    "b": 58
  },
  "hsl": {
    "h": 258.571,
    "s": 56.757,
    "l": 14.51
  },
  "oklch": {
    "l": 0.21886,
    "c": 0.07733,
    "h": 293.2
  },
  "luminance": 0.00937
}

Semantic roles & 50–950 ramp

primary

#1D103A

secondary

#5F7432

accent

#E048B1

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040107

muted

#79777A

Preview Lab

Preview with #1D103A

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

Preview Lab → · Contrast checker → · Palette generator →