#A03B1E#A03B1E

#A03B1E is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.0% C 0.141 H 36.4°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#A03B1E
RGB	rgb(160, 59, 30)
HSL	hsl(13, 68%, 37%)
HSV	hsv(13, 81%, 63%)
CMYK	cmyk(0%, 63.1%, 81.3%, 37.3%)
CIE-LAB	lab(39.07, 40.42, 38.60)
CIE-LCH	lch(39.07, 55.89, 43.68°)
OKLab	oklab(49% 0.1132 0.0834)
OKLCH	oklch(49% 0.141 36.4)
XYZ	xyz(16.2973, 10.6976, 2.4347)
Luminance	0.1070 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03B1E #1E83A0

analogous

#A01E42 #A03B1E #A07C1E

triadic

#A03B1E #1EA03B #3B1EA0

tetradic

#A03B1E #42A01E #1E83A0 #7C1EA0

square

#A03B1E #42A01E #1E83A0 #7C1EA0

split-complementary

#A03B1E #1EA07C #1E42A0

monochromatic

#39150B #6C2814 #A03B1E #D44E28 #E07759

Accessibility & contrast

On white

6.69

#A03B1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#A03B1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03B1E

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03B1E	#FFFFFF	#000000	##FFFFFF
##A03B1E	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1A

Deuteranopia (green-blind)

#71641A

Tritanopia (blue-blind)

#B02135

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a03b1e;
/* rgb */ color: rgb(160, 59, 30);
/* oklch */ color: oklch(49.0% 0.141 36.4);

Tailwind

colors: {
  custom: {
    50: '#c4755c',
    500: '#a03b1e',
    950: '#000000',
  },
}

SCSS

$custom: #a03b1e;
$custom-light: #c4755c;
$custom-dark: #000000;

JSON

{
  "hex": "#a03b1e",
  "rgb": {
    "r": 160,
    "g": 59,
    "b": 30
  },
  "hsl": {
    "h": 13.385,
    "s": 68.421,
    "l": 37.255
  },
  "oklch": {
    "l": 0.49003,
    "c": 0.14066,
    "h": 36.4
  },
  "luminance": 0.10695
}

Semantic roles & 50–950 ramp

primary

#A03B1E

secondary

#56ABC4

accent

#C4EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A03B1E

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

Preview Lab → · Contrast checker → · Palette generator →