#A33D27#A33D27

#A33D27 is a mid, vivid red. Relative luminance 0.113; OKLCH L 49.9% C 0.140 H 33.8°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#A33D27
RGB	rgb(163, 61, 39)
HSL	hsl(11, 61%, 40%)
HSV	hsv(11, 76%, 64%)
CMYK	cmyk(0%, 62.6%, 76.1%, 36.1%)
CIE-LAB	lab(40.04, 40.95, 34.94)
CIE-LCH	lch(40.04, 53.84, 40.47°)
OKLab	oklab(49.86% 0.1163 0.0779)
OKLCH	oklch(49.86% 0.14 33.8)
XYZ	xyz(17.1410, 11.2729, 3.1924)
Luminance	0.1127 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33D27 #278DA3

analogous

#A3274F #A33D27 #A37B27

triadic

#A33D27 #27A33D #3D27A3

tetradic

#A33D27 #4FA327 #278DA3 #7B27A3

square

#A33D27 #4FA327 #278DA3 #7B27A3

split-complementary

#A33D27 #27A37B #274FA3

monochromatic

#40180F #722B1B #A33D27 #CF5338 #DB7D69

Accessibility & contrast

On white

6.45

#A33D27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#A33D27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D27

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33D27	#FFFFFF	#000000	##FFFFFF
##A33D27	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595024

Deuteranopia (green-blind)

#736724

Tritanopia (blue-blind)

#B32438

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33d27;
/* rgb */ color: rgb(163, 61, 39);
/* oklch */ color: oklch(49.9% 0.140 33.8);

Tailwind

colors: {
  custom: {
    50: '#c67762',
    500: '#a33d27',
    950: '#000000',
  },
}

SCSS

$custom: #a33d27;
$custom-light: #c67762;
$custom-dark: #000000;

JSON

{
  "hex": "#a33d27",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 39
  },
  "hsl": {
    "h": 10.645,
    "s": 61.386,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49863,
    "c": 0.13993,
    "h": 33.8
  },
  "luminance": 0.11271
}

Semantic roles & 50–950 ramp

primary

#A33D27

secondary

#64B1C1

accent

#C8E443

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A33D27

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

Preview Lab → · Contrast checker → · Palette generator →