#490F0A#490F0A

#490F0A is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.1% C 0.088 H 29.1°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#490F0A
RGB	rgb(73, 15, 10)
HSL	hsl(5, 76%, 16%)
HSV	hsv(5, 86%, 29%)
CMYK	cmyk(0%, 79.5%, 86.3%, 71.4%)
CIE-LAB	lab(14.29, 26.99, 17.86)
CIE-LCH	lch(14.29, 32.36, 33.49°)
OKLab	oklab(27.15% 0.0772 0.043)
OKLCH	oklch(27.15% 0.088 29.1)
XYZ	xyz(2.9736, 1.7805, 0.4742)
Luminance	0.0178 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#490F0A #0A4449

analogous

#490A25 #490F0A #492F0A

triadic

#490F0A #0A490F #0F0A49

tetradic

#490F0A #25490A #0A4449 #2F0A49

square

#490F0A #25490A #0A4449 #2F0A49

split-complementary

#490F0A #0A492F #0A2549

monochromatic

#1B0604 #1B0604 #490F0A #7F1A11 #B52519

Accessibility & contrast

On white

15.49

#490F0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#490F0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #490F0A

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##490F0A	#FFFFFF	#000000	##FFFFFF
##490F0A	1.00	15.49	1.36	15.49
#FFFFFF	15.49	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201C09

Deuteranopia (green-blind)

#2F2908

Tritanopia (blue-blind)

#51000E

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #490f0a;
/* rgb */ color: rgb(73, 15, 10);
/* oklch */ color: oklch(27.1% 0.088 29.1);

Tailwind

colors: {
  custom: {
    50: '#81524b',
    500: '#490f0a',
    950: '#000000',
  },
}

SCSS

$custom: #490f0a;
$custom-light: #81524b;
$custom-dark: #000000;

JSON

{
  "hex": "#490f0a",
  "rgb": {
    "r": 73,
    "g": 15,
    "b": 10
  },
  "hsl": {
    "h": 4.762,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.27148,
    "c": 0.08835,
    "h": 29.1
  },
  "luminance": 0.0178
}

Semantic roles & 50–950 ramp

primary

#490F0A

secondary

#297E86

accent

#E3F235

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #490F0A

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

Preview Lab → · Contrast checker → · Palette generator →