#A03E1F#A03E1F

#A03E1F is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.4% C 0.138 H 37.5°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#A03E1F
RGB	rgb(160, 62, 31)
HSL	hsl(14, 68%, 37%)
HSV	hsv(14, 81%, 63%)
CMYK	cmyk(0%, 61.2%, 80.6%, 37.3%)
CIE-LAB	lab(39.61, 39.03, 38.62)
CIE-LCH	lch(39.61, 54.91, 44.70°)
OKLab	oklab(49.42% 0.1091 0.0838)
OKLCH	oklch(49.42% 0.138 37.5)
XYZ	xyz(16.4689, 11.0201, 2.5559)
Luminance	0.1102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03E1F #1F81A0

analogous

#A01F40 #A03E1F #A07F1F

triadic

#A03E1F #1FA03E #3E1FA0

tetradic

#A03E1F #40A01F #1F81A0 #7F1FA0

square

#A03E1F #40A01F #1F81A0 #7F1FA0

split-complementary

#A03E1F #1FA07F #1F40A0

monochromatic

#39160B #6D2A15 #A03E1F #D35229 #DF7A5A

Accessibility & contrast

On white

6.56

#A03E1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#A03E1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03E1F

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03E1F	#FFFFFF	#000000	##FFFFFF
##A03E1F	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A501B

Deuteranopia (green-blind)

#72661B

Tritanopia (blue-blind)

#B02638

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a03e1f;
/* rgb */ color: rgb(160, 62, 31);
/* oklch */ color: oklch(49.4% 0.138 37.5);

Tailwind

colors: {
  custom: {
    50: '#c4775d',
    500: '#a03e1f',
    950: '#000000',
  },
}

SCSS

$custom: #a03e1f;
$custom-light: #c4775d;
$custom-dark: #000000;

JSON

{
  "hex": "#a03e1f",
  "rgb": {
    "r": 160,
    "g": 62,
    "b": 31
  },
  "hsl": {
    "h": 14.419,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.4942,
    "c": 0.1376,
    "h": 37.5
  },
  "luminance": 0.11018
}

Semantic roles & 50–950 ramp

primary

#A03E1F

secondary

#58A9C3

accent

#C1EA3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03E1F

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

Preview Lab → · Contrast checker → · Palette generator →