#A03A23#A03A23

#A03A23 is a mid, vivid red. Relative luminance 0.106; OKLCH L 48.9% C 0.140 H 34.2°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#A03A23
RGB	rgb(160, 58, 35)
HSL	hsl(11, 64%, 38%)
HSV	hsv(11, 78%, 63%)
CMYK	cmyk(0%, 63.8%, 78.1%, 37.3%)
CIE-LAB	lab(38.94, 41.07, 35.82)
CIE-LCH	lch(38.94, 54.50, 41.09°)
OKLab	oklab(48.92% 0.1162 0.0789)
OKLCH	oklch(48.92% 0.14 34.2)
XYZ	xyz(16.3154, 10.6234, 2.7812)
Luminance	0.1062 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03A23 #2389A0

analogous

#A0234A #A03A23 #A07823

triadic

#A03A23 #23A03A #3A23A0

tetradic

#A03A23 #4AA023 #2389A0 #7823A0

square

#A03A23 #4AA023 #2389A0 #7823A0

split-complementary

#A03A23 #23A078 #234AA0

monochromatic

#3C160D #6E2818 #A03A23 #D14D2F #DC7861

Accessibility & contrast

On white

6.72

#A03A23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A03A23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03A23

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03A23	#FFFFFF	#000000	##FFFFFF
##A03A23	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D20

Deuteranopia (green-blind)

#70641F

Tritanopia (blue-blind)

#B02035

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a03a23;
/* rgb */ color: rgb(160, 58, 35);
/* oklch */ color: oklch(48.9% 0.140 34.2);

Tailwind

colors: {
  custom: {
    50: '#c4755f',
    500: '#a03a23',
    950: '#000000',
  },
}

SCSS

$custom: #a03a23;
$custom-light: #c4755f;
$custom-dark: #000000;

JSON

{
  "hex": "#a03a23",
  "rgb": {
    "r": 160,
    "g": 58,
    "b": 35
  },
  "hsl": {
    "h": 11.04,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48922,
    "c": 0.14045,
    "h": 34.2
  },
  "luminance": 0.10621
}

Semantic roles & 50–950 ramp

primary

#A03A23

secondary

#5DAFC1

accent

#C8E741

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A03A23

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

Preview Lab → · Contrast checker → · Palette generator →