#633028#633028

#633028 is a dark, moderate red. Relative luminance 0.049; OKLCH L 37.5% C 0.076 H 30.3°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#633028
RGB	rgb(99, 48, 40)
HSL	hsl(8, 42%, 27%)
HSV	hsv(8, 60%, 39%)
CMYK	cmyk(0%, 51.5%, 59.6%, 61.2%)
CIE-LAB	lab(26.51, 22.15, 15.62)
CIE-LCH	lch(26.51, 27.10, 35.20°)
OKLab	oklab(37.48% 0.0652 0.0381)
OKLCH	oklch(37.48% 0.076 30.3)
XYZ	xyz(6.5860, 4.9205, 2.6100)
Luminance	0.0492 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#633028 #285B63

analogous

#63283D #633028 #634E28

triadic

#633028 #286330 #302863

tetradic

#633028 #3D6328 #285B63 #4E2863

square

#633028 #3D6328 #285B63 #4E2863

split-complementary

#633028 #28634E #283D63

monochromatic

#160B09 #371B16 #633028 #8F453A #B75C4E

Accessibility & contrast

On white

10.58

#633028 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#633028 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #633028

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##633028	#FFFFFF	#000000	##FFFFFF
##633028	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3827

Deuteranopia (green-blind)

#494327

Tritanopia (blue-blind)

#6C282E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #633028;
/* rgb */ color: rgb(99, 48, 40);
/* oklch */ color: oklch(37.5% 0.076 30.3);

Tailwind

colors: {
  custom: {
    50: '#936962',
    500: '#633028',
    950: '#000000',
  },
}

SCSS

$custom: #633028;
$custom-light: #936962;
$custom-dark: #000000;

JSON

{
  "hex": "#633028",
  "rgb": {
    "r": 99,
    "g": 48,
    "b": 40
  },
  "hsl": {
    "h": 8.136,
    "s": 42.446,
    "l": 27.255
  },
  "oklch": {
    "l": 0.37484,
    "c": 0.07555,
    "h": 30.3
  },
  "luminance": 0.0492
}

Semantic roles & 50–950 ramp

primary

#633028

secondary

#518C96

accent

#C1D256

background

#F9F6F5

surface

#F2EBEA

border

#CCC6C6

text

#0D0605

muted

#7E7A79

Preview Lab

Preview with #633028

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

Preview Lab → · Contrast checker → · Palette generator →