#13043B#13043B

#13043B is a very dark, moderate violet. Relative luminance 0.005; OKLCH L 18.7% C 0.097 H 285.6°. Best body text is #FFFFFF at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#13043B
RGB	rgb(19, 4, 59)
HSL	hsl(256, 87%, 12%)
HSV	hsv(256, 93%, 23%)
CMYK	cmyk(67.8%, 93.2%, 0%, 76.9%)
CIE-LAB	lab(4.89, 23.11, -31.47)
CIE-LCH	lch(4.89, 39.05, 306.29°)
OKLab	oklab(18.72% 0.0261 -0.0933)
OKLCH	oklch(18.72% 0.097 285.6)
XYZ	xyz(1.1012, 0.5410, 4.1832)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Night Blue

#040348

ΔE00 3.81

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#13043B #2C3B04

analogous

#04103B #13043B #2F043B

triadic

#13043B #3B1304 #043B13

tetradic

#13043B #3B0410 #2C3B04 #043B2F

square

#13043B #3B0410 #2C3B04 #043B2F

split-complementary

#13043B #3B2F04 #103B04

monochromatic

#09021D #09021D #13043B #250874 #380CAE

Accessibility & contrast

On white

18.95

#13043B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#13043B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #13043B

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##13043B	#FFFFFF	#000000	##FFFFFF
##13043B	1.00	18.95	1.11	18.95
#FFFFFF	18.95	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123D

Deuteranopia (green-blind)

#000F3A

Tritanopia (blue-blind)

#011420

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #13043b;
/* rgb */ color: rgb(19, 4, 59);
/* oklch */ color: oklch(18.7% 0.097 285.6);

Tailwind

colors: {
  custom: {
    50: '#564772',
    500: '#13043b',
    950: '#000000',
  },
}

SCSS

$custom: #13043b;
$custom-light: #564772;
$custom-dark: #000000;

JSON

{
  "hex": "#13043b",
  "rgb": {
    "r": 19,
    "g": 4,
    "b": 59
  },
  "hsl": {
    "h": 256.364,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.18721,
    "c": 0.09687,
    "h": 285.6
  },
  "luminance": 0.00541
}

Semantic roles & 50–950 ramp

primary

#13043B

secondary

#637D1E

accent

#FD2AC4

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#030008

muted

#78777B

Preview Lab

Preview with #13043B

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

Preview Lab → · Contrast checker → · Palette generator →