#490F0B#490F0B

#490F0B is a dark, moderate red. Relative luminance 0.018; OKLCH L 27.2% C 0.088 H 28.4°. Best body text is #FFFFFF at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#490F0B
RGB	rgb(73, 15, 11)
HSL	hsl(4, 74%, 16%)
HSV	hsv(4, 85%, 29%)
CMYK	cmyk(0%, 79.5%, 84.9%, 71.4%)
CIE-LAB	lab(14.30, 27.03, 17.45)
CIE-LCH	lch(14.30, 32.18, 32.85°)
OKLab	oklab(27.16% 0.0776 0.0419)
OKLCH	oklch(27.16% 0.088 28.4)
XYZ	xyz(2.9792, 1.7827, 0.5038)
Luminance	0.0178 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#490F0B #0B4549

analogous

#490B26 #490F0B #492E0B

triadic

#490F0B #0B490F #0F0B49

tetradic

#490F0B #26490B #0B4549 #2E0B49

square

#490F0B #26490B #0B4549 #2E0B49

split-complementary

#490F0B #0B492E #0B2649

monochromatic

#1B0504 #1B0504 #490F0B #7E1A13 #B3251B

Accessibility & contrast

On white

15.48

#490F0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#490F0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #490F0B

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##490F0B	#FFFFFF	#000000	##FFFFFF
##490F0B	1.00	15.48	1.36	15.48
#FFFFFF	15.48	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201C0A

Deuteranopia (green-blind)

#2E2909

Tritanopia (blue-blind)

#51000F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #490f0b;
/* rgb */ color: rgb(73, 15, 11);
/* oklch */ color: oklch(27.2% 0.088 28.4);

Tailwind

colors: {
  custom: {
    50: '#81524b',
    500: '#490f0b',
    950: '#000000',
  },
}

SCSS

$custom: #490f0b;
$custom-light: #81524b;
$custom-dark: #000000;

JSON

{
  "hex": "#490f0b",
  "rgb": {
    "r": 73,
    "g": 15,
    "b": 11
  },
  "hsl": {
    "h": 3.871,
    "s": 73.81,
    "l": 16.471
  },
  "oklch": {
    "l": 0.27162,
    "c": 0.08817,
    "h": 28.4
  },
  "luminance": 0.01782
}

Semantic roles & 50–950 ramp

primary

#490F0B

secondary

#2A7F85

accent

#E5F037

background

#F8F4F4

surface

#F0E7E7

border

#CBC3C3

text

#0B0201

muted

#7C7877

Preview Lab

Preview with #490F0B

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

Preview Lab → · Contrast checker → · Palette generator →