#10043B#10043B

#10043B is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.4% C 0.097 H 282.1°. Best body text is #FFFFFF at 19.05:1 contrast (WCAG AA passes).

Color values

HEX	#10043B
RGB	rgb(16, 4, 59)
HSL	hsl(253, 87%, 12%)
HSV	hsv(253, 93%, 23%)
CMYK	cmyk(72.9%, 93.2%, 0%, 76.9%)
CIE-LAB	lab(4.63, 22.30, -31.90)
CIE-LCH	lch(4.63, 38.92, 304.95°)
OKLab	oklab(18.39% 0.0204 -0.0952)
OKLCH	oklch(18.39% 0.097 282.1)
XYZ	xyz(1.0463, 0.5127, 4.1806)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10043B #2F3B04

analogous

#04133B #10043B #2C043B

triadic

#10043B #3B1004 #043B10

tetradic

#10043B #3B0413 #2F3B04 #043B2C

square

#10043B #3B0413 #2F3B04 #043B2C

split-complementary

#10043B #3B2C04 #133B04

monochromatic

#08021D #08021D #10043B #200874 #2F0CAE

Accessibility & contrast

On white

19.05

#10043B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#10043B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10043B

19.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10043B	#FFFFFF	#000000	##FFFFFF
##10043B	1.00	19.05	1.10	19.05
#FFFFFF	19.05	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123D

Deuteranopia (green-blind)

#000E3A

Tritanopia (blue-blind)

#001420

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #10043b;
/* rgb */ color: rgb(16, 4, 59);
/* oklch */ color: oklch(18.4% 0.097 282.1);

Tailwind

colors: {
  custom: {
    50: '#554772',
    500: '#10043b',
    950: '#000000',
  },
}

SCSS

$custom: #10043b;
$custom-light: #554772;
$custom-dark: #000000;

JSON

{
  "hex": "#10043b",
  "rgb": {
    "r": 16,
    "g": 4,
    "b": 59
  },
  "hsl": {
    "h": 253.091,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.18386,
    "c": 0.09733,
    "h": 282.1
  },
  "luminance": 0.00513
}

Semantic roles & 50–950 ramp

primary

#10043B

secondary

#687D1E

accent

#FD2ACF

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#030008

muted

#78777B

Preview Lab

Preview with #10043B

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

Preview Lab → · Contrast checker → · Palette generator →