#A03F33#A03F33

#A03F33 is a mid, vivid red. Relative luminance 0.113; OKLCH L 49.8% C 0.132 H 29.6°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#A03F33
RGB	rgb(160, 63, 51)
HSL	hsl(7, 52%, 41%)
HSV	hsv(7, 68%, 63%)
CMYK	cmyk(0%, 60.6%, 68.1%, 37.3%)
CIE-LAB	lab(40.03, 39.50, 27.88)
CIE-LCH	lch(40.03, 48.35, 35.22°)
OKLab	oklab(49.81% 0.1145 0.065)
OKLCH	oklch(49.81% 0.132 29.6)
XYZ	xyz(16.8739, 11.2699, 4.4181)
Luminance	0.1127 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03F33 #3394A0

analogous

#A0335E #A03F33 #A07633

triadic

#A03F33 #33A03F #3F33A0

tetradic

#A03F33 #5EA033 #3394A0 #7633A0

square

#A03F33 #5EA033 #3394A0 #7633A0

split-complementary

#A03F33 #33A076 #335EA0

monochromatic

#431A15 #722D24 #A03F33 #C6584B #D48379

Accessibility & contrast

On white

6.45

#A03F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#A03F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03F33

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03F33	#FFFFFF	#000000	##FFFFFF
##A03F33	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)

#595131

Deuteranopia (green-blind)

#716630

Tritanopia (blue-blind)

#B02A3D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a03f33;
/* rgb */ color: rgb(160, 63, 51);
/* oklch */ color: oklch(49.8% 0.132 29.6);

Tailwind

colors: {
  custom: {
    50: '#c2786b',
    500: '#a03f33',
    950: '#000000',
  },
}

SCSS

$custom: #a03f33;
$custom-light: #c2786b;
$custom-dark: #000000;

JSON

{
  "hex": "#a03f33",
  "rgb": {
    "r": 160,
    "g": 63,
    "b": 51
  },
  "hsl": {
    "h": 6.606,
    "s": 51.659,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49809,
    "c": 0.13165,
    "h": 29.6
  },
  "luminance": 0.11268
}

Semantic roles & 50–950 ramp

primary

#A03F33

secondary

#72B5BD

accent

#CBDB4D

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140906

muted

#827B7A

Preview Lab

Preview with #A03F33

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

Preview Lab → · Contrast checker → · Palette generator →