#491010#491010

#491010 is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.4% C 0.086 H 24.9°. Best body text is #FFFFFF at 15.39:1 contrast (WCAG AA passes).

Color values

HEX	#491010
RGB	rgb(73, 16, 16)
HSL	hsl(0, 64%, 17%)
HSV	hsv(0, 78%, 29%)
CMYK	cmyk(0%, 78.1%, 78.1%, 71.4%)
CIE-LAB	lab(14.54, 26.85, 15.30)
CIE-LCH	lch(14.54, 30.90, 29.68°)
OKLab	oklab(27.36% 0.0782 0.0363)
OKLCH	oklch(27.36% 0.086 24.9)
XYZ	xyz(3.0268, 1.8249, 0.6830)
Luminance	0.0182 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#491010 #104949

analogous

#49102D #491010 #492D10

triadic

#491010 #104910 #101049

tetradic

#491010 #2D4910 #104949 #2D1049

square

#491010 #2D4910 #104949 #2D1049

split-complementary

#491010 #10492D #102D49

monochromatic

#190606 #190606 #491010 #7B1B1B #AD2626

Accessibility & contrast

On white

15.39

#491010 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#491010 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491010

15.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##491010	#FFFFFF	#000000	##FFFFFF
##491010	1.00	15.39	1.36	15.39
#FFFFFF	15.39	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201D0F

Deuteranopia (green-blind)

#2E290E

Tritanopia (blue-blind)

#510111

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #491010;
/* rgb */ color: rgb(73, 16, 16);
/* oklch */ color: oklch(27.4% 0.086 24.9);

Tailwind

colors: {
  custom: {
    50: '#81534e',
    500: '#491010',
    950: '#000000',
  },
}

SCSS

$custom: #491010;
$custom-light: #81534e;
$custom-dark: #000000;

JSON

{
  "hex": "#491010",
  "rgb": {
    "r": 73,
    "g": 16,
    "b": 16
  },
  "hsl": {
    "h": 0,
    "s": 64.045,
    "l": 17.451
  },
  "oklch": {
    "l": 0.27363,
    "c": 0.08626,
    "h": 24.9
  },
  "luminance": 0.01824
}

Semantic roles & 50–950 ramp

primary

#491010

secondary

#328383

accent

#E7E741

background

#F8F4F4

surface

#EFE7E7

border

#CAC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #491010

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

Preview Lab → · Contrast checker → · Palette generator →