#490B17#490B17

#490B17 is a dark, moderate red. Relative luminance 0.017; OKLCH L 27.0% C 0.091 H 15.4°. Best body text is #FFFFFF at 15.63:1 contrast (WCAG AA passes).

Color values

HEX	#490B17
RGB	rgb(73, 11, 23)
HSL	hsl(348, 74%, 16%)
HSV	hsv(348, 85%, 29%)
CMYK	cmyk(0%, 84.9%, 68.5%, 71.4%)
CIE-LAB	lab(13.93, 29.39, 9.96)
CIE-LCH	lch(13.93, 31.03, 18.73°)
OKLab	oklab(26.96% 0.088 0.0243)
OKLCH	oklch(26.96% 0.091 15.4)
XYZ	xyz(3.0223, 1.7181, 0.9829)
Luminance	0.0172 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#490B17 #0B493D

analogous

#490B36 #490B17 #491E0B

triadic

#490B17 #17490B #0B1749

tetradic

#490B17 #36490B #0B493D #1E0B49

square

#490B17 #36490B #0B493D #1E0B49

split-complementary

#490B17 #0B491E #0B3649

monochromatic

#1B0408 #1B0408 #490B17 #7E1328 #B31B39

Accessibility & contrast

On white

15.63

#490B17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#490B17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #490B17

15.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##490B17	#FFFFFF	#000000	##FFFFFF
##490B17	1.00	15.63	1.34	15.63
#FFFFFF	15.63	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1B17

Deuteranopia (green-blind)

#2C2815

Tritanopia (blue-blind)

#510010

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #490b17;
/* rgb */ color: rgb(73, 11, 23);
/* oklch */ color: oklch(27.0% 0.091 15.4);

Tailwind

colors: {
  custom: {
    50: '#815153',
    500: '#490b17',
    950: '#000000',
  },
}

SCSS

$custom: #490b17;
$custom-light: #815153;
$custom-dark: #000000;

JSON

{
  "hex": "#490b17",
  "rgb": {
    "r": 73,
    "g": 11,
    "b": 23
  },
  "hsl": {
    "h": 348.387,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.26956,
    "c": 0.09132,
    "h": 15.4
  },
  "luminance": 0.01718
}

Semantic roles & 50–950 ramp

primary

#490B17

secondary

#2A8574

accent

#F0CD37

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0B0202

muted

#7C7878

Preview Lab

Preview with #490B17

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

Preview Lab → · Contrast checker → · Palette generator →