#15043B#15043B

#15043B is a very dark, moderate violet. Relative luminance 0.006; OKLCH L 19.0% C 0.097 H 288.0°. Best body text is #FFFFFF at 18.88:1 contrast (WCAG AA passes).

Color values

HEX	#15043B
RGB	rgb(21, 4, 59)
HSL	hsl(259, 87%, 12%)
HSV	hsv(259, 93%, 23%)
CMYK	cmyk(64.4%, 93.2%, 0%, 76.9%)
CIE-LAB	lab(5.08, 23.67, -31.16)
CIE-LCH	lch(5.08, 39.13, 307.22°)
OKLab	oklab(18.96% 0.03 -0.0919)
OKLCH	oklch(18.96% 0.097 288)
XYZ	xyz(1.1419, 0.5620, 4.1851)
Luminance	0.0056 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Night Blue

#040348

ΔE00 4.07

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15043B #2A3B04

analogous

#040F3B #15043B #30043B

triadic

#15043B #3B1504 #043B15

tetradic

#15043B #3B040F #2A3B04 #043B30

square

#15043B #3B040F #2A3B04 #043B30

split-complementary

#15043B #3B3004 #0F3B04

monochromatic

#0A021D #0A021D #15043B #290874 #3E0CAE

Accessibility & contrast

On white

18.88

#15043B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#15043B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15043B

18.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15043B	#FFFFFF	#000000	##FFFFFF
##15043B	1.00	18.88	1.11	18.88
#FFFFFF	18.88	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00123C

Deuteranopia (green-blind)

#00103A

Tritanopia (blue-blind)

#051420

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #15043b;
/* rgb */ color: rgb(21, 4, 59);
/* oklch */ color: oklch(19.0% 0.097 288.0);

Tailwind

colors: {
  custom: {
    50: '#584772',
    500: '#15043b',
    950: '#000000',
  },
}

SCSS

$custom: #15043b;
$custom-light: #584772;
$custom-dark: #000000;

JSON

{
  "hex": "#15043b",
  "rgb": {
    "r": 21,
    "g": 4,
    "b": 59
  },
  "hsl": {
    "h": 258.545,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.1896,
    "c": 0.0967,
    "h": 288
  },
  "luminance": 0.00562
}

Semantic roles & 50–950 ramp

primary

#15043B

secondary

#5F7D1E

accent

#FD2ABC

background

#F5F4F6

surface

#E9E6EC

border

#C5C2C7

text

#040008

muted

#79777B

Preview Lab

Preview with #15043B

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

Preview Lab → · Contrast checker → · Palette generator →