#A33727#A33727

#A33727 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.1% C 0.146 H 31.2°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A33727
RGB	rgb(163, 55, 39)
HSL	hsl(8, 61%, 40%)
HSV	hsv(8, 76%, 64%)
CMYK	cmyk(0%, 66.3%, 76.1%, 36.1%)
CIE-LAB	lab(39.02, 43.68, 33.84)
CIE-LCH	lch(39.02, 55.26, 37.76°)
OKLab	oklab(49.1% 0.1248 0.0755)
OKLCH	oklch(49.1% 0.146 31.2)
XYZ	xyz(16.8385, 10.6678, 3.0915)
Luminance	0.1066 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33727 #2793A3

analogous

#A32755 #A33727 #A37527

triadic

#A33727 #27A337 #3727A3

tetradic

#A33727 #55A327 #2793A3 #7527A3

square

#A33727 #55A327 #2793A3 #7527A3

split-complementary

#A33727 #27A375 #2755A3

monochromatic

#40160F #72261B #A33727 #CF4B38 #DB7869

Accessibility & contrast

On white

6.70

#A33727 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A33727 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33727

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33727	#FFFFFF	#000000	##FFFFFF
##A33727	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D25

Deuteranopia (green-blind)

#706523

Tritanopia (blue-blind)

#B31934

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a33727;
/* rgb */ color: rgb(163, 55, 39);
/* oklch */ color: oklch(49.1% 0.146 31.2);

Tailwind

colors: {
  custom: {
    50: '#c67362',
    500: '#a33727',
    950: '#000000',
  },
}

SCSS

$custom: #a33727;
$custom-light: #c67362;
$custom-dark: #000000;

JSON

{
  "hex": "#a33727",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 39
  },
  "hsl": {
    "h": 7.742,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49095,
    "c": 0.14581,
    "h": 31.2
  },
  "luminance": 0.10665
}

Semantic roles & 50–950 ramp

primary

#A33727

secondary

#64B5C1

accent

#D0E443

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A33727

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

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