#A33D29#A33D29

#A33D29 is a mid, vivid red. Relative luminance 0.113; OKLCH L 49.9% C 0.139 H 33.0°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#A33D29
RGB	rgb(163, 61, 41)
HSL	hsl(10, 60%, 40%)
HSV	hsv(10, 75%, 64%)
CMYK	cmyk(0%, 62.6%, 74.8%, 36.1%)
CIE-LAB	lab(40.06, 41.04, 33.85)
CIE-LCH	lch(40.06, 53.20, 39.51°)
OKLab	oklab(49.89% 0.117 0.076)
OKLCH	oklch(49.89% 0.139 33)
XYZ	xyz(17.1751, 11.2865, 3.3715)
Luminance	0.1128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33D29 #298FA3

analogous

#A32952 #A33D29 #A37A29

triadic

#A33D29 #29A33D #3D29A3

tetradic

#A33D29 #52A329 #298FA3 #7A29A3

square

#A33D29 #52A329 #298FA3 #7A29A3

split-complementary

#A33D29 #29A37A #2952A3

monochromatic

#411810 #722B1D #A33D29 #CE533B #DA7E6C

Accessibility & contrast

On white

6.45

#A33D29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#A33D29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D29

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33D29	#FFFFFF	#000000	##FFFFFF
##A33D29	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595026

Deuteranopia (green-blind)

#726726

Tritanopia (blue-blind)

#B32439

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33d29;
/* rgb */ color: rgb(163, 61, 41);
/* oklch */ color: oklch(49.9% 0.139 33.0);

Tailwind

colors: {
  custom: {
    50: '#c57764',
    500: '#a33d29',
    950: '#000000',
  },
}

SCSS

$custom: #a33d29;
$custom-light: #c57764;
$custom-dark: #000000;

JSON

{
  "hex": "#a33d29",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 41
  },
  "hsl": {
    "h": 9.836,
    "s": 59.804,
    "l": 40
  },
  "oklch": {
    "l": 0.49888,
    "c": 0.13946,
    "h": 33
  },
  "luminance": 0.11284
}

Semantic roles & 50–950 ramp

primary

#A33D29

secondary

#67B2C1

accent

#C9E345

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140905

muted

#837B7A

Preview Lab

Preview with #A33D29

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

Preview Lab → · Contrast checker → · Palette generator →