#A03F23#A03F23

#A03F23 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.6% C 0.136 H 36.6°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#A03F23
RGB	rgb(160, 63, 35)
HSL	hsl(13, 64%, 38%)
HSV	hsv(13, 78%, 63%)
CMYK	cmyk(0%, 60.6%, 78.1%, 37.3%)
CIE-LAB	lab(39.84, 38.70, 36.75)
CIE-LCH	lch(39.84, 53.37, 43.52°)
OKLab	oklab(49.6% 0.1089 0.0809)
OKLCH	oklch(49.6% 0.136 36.6)
XYZ	xyz(16.5798, 11.1522, 2.8693)
Luminance	0.1115 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03F23 #2384A0

analogous

#A02345 #A03F23 #A07D23

triadic

#A03F23 #23A03F #3F23A0

tetradic

#A03F23 #45A023 #2384A0 #7D23A0

square

#A03F23 #45A023 #2384A0 #7D23A0

split-complementary

#A03F23 #23A07D #2345A0

monochromatic

#3C170D #6E2B18 #A03F23 #D1532F #DC7D61

Accessibility & contrast

On white

6.50

#A03F23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A03F23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03F23

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03F23	#FFFFFF	#000000	##FFFFFF
##A03F23	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A501F

Deuteranopia (green-blind)

#726620

Tritanopia (blue-blind)

#B02839

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a03f23;
/* rgb */ color: rgb(160, 63, 35);
/* oklch */ color: oklch(49.6% 0.136 36.6);

Tailwind

colors: {
  custom: {
    50: '#c37860',
    500: '#a03f23',
    950: '#000000',
  },
}

SCSS

$custom: #a03f23;
$custom-light: #c37860;
$custom-dark: #000000;

JSON

{
  "hex": "#a03f23",
  "rgb": {
    "r": 160,
    "g": 63,
    "b": 35
  },
  "hsl": {
    "h": 13.44,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49599,
    "c": 0.13564,
    "h": 36.6
  },
  "luminance": 0.1115
}

Semantic roles & 50–950 ramp

primary

#A03F23

secondary

#5DABC1

accent

#C2E741

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A03F23

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

Preview Lab → · Contrast checker → · Palette generator →