#A33729#A33729

#A33729 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.1% C 0.145 H 30.4°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#A33729
RGB	rgb(163, 55, 41)
HSL	hsl(7, 60%, 40%)
HSV	hsv(7, 75%, 64%)
CMYK	cmyk(0%, 66.3%, 74.8%, 36.1%)
CIE-LAB	lab(39.04, 43.77, 32.72)
CIE-LCH	lch(39.04, 54.65, 36.78°)
OKLab	oklab(49.12% 0.1255 0.0735)
OKLCH	oklch(49.12% 0.145 30.4)
XYZ	xyz(16.8725, 10.6814, 3.2707)
Luminance	0.1068 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33729 #2995A3

analogous

#A32958 #A33729 #A37429

triadic

#A33729 #29A337 #3729A3

tetradic

#A33729 #58A329 #2995A3 #7429A3

square

#A33729 #58A329 #2995A3 #7429A3

split-complementary

#A33729 #29A374 #2958A3

monochromatic

#411610 #72261D #A33729 #CE4C3B #DA796C

Accessibility & contrast

On white

6.70

#A33729 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A33729 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33729

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33729	#FFFFFF	#000000	##FFFFFF
##A33729	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D27

Deuteranopia (green-blind)

#706525

Tritanopia (blue-blind)

#B31A34

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a33729;
/* rgb */ color: rgb(163, 55, 41);
/* oklch */ color: oklch(49.1% 0.145 30.4);

Tailwind

colors: {
  custom: {
    50: '#c67363',
    500: '#a33729',
    950: '#000000',
  },
}

SCSS

$custom: #a33729;
$custom-light: #c67363;
$custom-dark: #000000;

JSON

{
  "hex": "#a33729",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 41
  },
  "hsl": {
    "h": 6.885,
    "s": 59.804,
    "l": 40
  },
  "oklch": {
    "l": 0.4912,
    "c": 0.14541,
    "h": 30.4
  },
  "luminance": 0.10679
}

Semantic roles & 50–950 ramp

primary

#A33729

secondary

#67B6C1

accent

#D1E345

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A33729

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

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