#A0403B#A0403B

#A0403B is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.1% C 0.129 H 25.8°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#A0403B
RGB	rgb(160, 64, 59)
HSL	hsl(3, 46%, 43%)
HSV	hsv(3, 63%, 63%)
CMYK	cmyk(0%, 60%, 63.1%, 37.3%)
CIE-LAB	lab(40.34, 39.53, 23.45)
CIE-LCH	lch(40.34, 45.96, 30.68°)
OKLab	oklab(50.09% 0.1161 0.0561)
OKLCH	oklch(50.09% 0.129 25.8)
XYZ	xyz(17.1216, 11.4583, 5.4469)
Luminance	0.1146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0403B #3B9BA0

analogous

#A03B69 #A0403B #A0723B

triadic

#A0403B #3BA040 #403BA0

tetradic

#A0403B #69A03B #3B9BA0 #723BA0

square

#A0403B #69A03B #3B9BA0 #723BA0

split-complementary

#A0403B #3BA072 #3B69A0

monochromatic

#471C1A #732E2B #A0403B #C15C57 #D28884

Accessibility & contrast

On white

6.38

#A0403B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A0403B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A0403B

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0403B	#FFFFFF	#000000	##FFFFFF
##A0403B	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58523A

Deuteranopia (green-blind)

#706739

Tritanopia (blue-blind)

#AF2D3F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a0403b;
/* rgb */ color: rgb(160, 64, 59);
/* oklch */ color: oklch(50.1% 0.129 25.8);

Tailwind

colors: {
  custom: {
    50: '#c27971',
    500: '#a0403b',
    950: '#000000',
  },
}

SCSS

$custom: #a0403b;
$custom-light: #c27971;
$custom-dark: #000000;

JSON

{
  "hex": "#a0403b",
  "rgb": {
    "r": 160,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 2.97,
    "s": 46.119,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50085,
    "c": 0.12897,
    "h": 25.8
  },
  "luminance": 0.11456
}

Semantic roles & 50–950 ramp

primary

#A0403B

secondary

#7BB8BC

accent

#CFD652

background

#FCF7F6

surface

#F9EEEC

border

#D2C9C7

text

#130907

muted

#827B7A

Preview Lab

Preview with #A0403B

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

Preview Lab → · Contrast checker → · Palette generator →