#100421#100421

#100421 is a very dark, moderate violet. Relative luminance 0.003; OKLCH L 15.2% C 0.061 H 299.4°. Best body text is #FFFFFF at 19.79:1 contrast (WCAG AA passes).

Color values

HEX	#100421
RGB	rgb(16, 4, 33)
HSL	hsl(265, 78%, 7%)
HSV	hsv(265, 88%, 13%)
CMYK	cmyk(51.5%, 87.9%, 0%, 87.1%)
CIE-LAB	lab(2.77, 9.83, -15.26)
CIE-LCH	lch(2.77, 18.15, 302.79°)
OKLab	oklab(15.24% 0.0298 -0.0529)
OKLCH	oklch(15.24% 0.061 299.4)
XYZ	xyz(0.5315, 0.3068, 1.4698)
Luminance	0.0031 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100421 #152104

analogous

#040621 #100421 #1F0421

triadic

#100421 #211004 #042110

tetradic

#100421 #210406 #152104 #04211F

square

#100421 #210406 #152104 #04211F

split-complementary

#100421 #211F04 #062104

monochromatic

#0D031B #0D031B #100421 #2A0B58 #45118E

Accessibility & contrast

On white

19.79

#100421 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#100421 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100421

19.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100421	#FFFFFF	#000000	##FFFFFF
##100421	1.00	19.79	1.06	19.79
#FFFFFF	19.79	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A22

Deuteranopia (green-blind)

#000A20

Tritanopia (blue-blind)

#0C0A11

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #100421;
/* rgb */ color: rgb(16, 4, 33);
/* oklch */ color: oklch(15.2% 0.061 299.4);

Tailwind

colors: {
  custom: {
    50: '#4e485c',
    500: '#100421',
    950: '#000000',
  },
}

SCSS

$custom: #100421;
$custom-light: #4e485c;
$custom-dark: #000000;

JSON

{
  "hex": "#100421",
  "rgb": {
    "r": 16,
    "g": 4,
    "b": 33
  },
  "hsl": {
    "h": 264.828,
    "s": 78.378,
    "l": 7.255
  },
  "oklch": {
    "l": 0.15243,
    "c": 0.06078,
    "h": 299.4
  },
  "luminance": 0.00307
}

Semantic roles & 50–950 ramp

primary

#100421

secondary

#46641D

accent

#F533A5

background

#F4F4F5

surface

#E7E6E9

border

#C3C2C5

text

#010004

muted

#777779

Preview Lab

Preview with #100421

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

Preview Lab → · Contrast checker → · Palette generator →