#A03440#A03440

#A03440 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.6% C 0.142 H 17.8°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#A03440
RGB	rgb(160, 52, 64)
HSL	hsl(353, 51%, 42%)
HSV	hsv(353, 68%, 63%)
CMYK	cmyk(0%, 67.5%, 60%, 37.3%)
CIE-LAB	lab(38.38, 45.39, 17.81)
CIE-LCH	lch(38.38, 48.76, 21.43°)
OKLab	oklab(48.64% 0.1356 0.0436)
OKLCH	oklch(48.64% 0.142 17.8)
XYZ	xyz(16.6522, 10.3020, 5.9611)
Luminance	0.1030 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03440 #34A094

analogous

#A03476 #A03440 #A05E34

triadic

#A03440 #40A034 #3440A0

tetradic

#A03440 #76A034 #34A094 #5E34A0

square

#A03440 #76A034 #34A094 #5E34A0

split-complementary

#A03440 #34A05E #3476A0

monochromatic

#44161B #72252E #A03440 #C54C5A #D47A84

Accessibility & contrast

On white

6.86

#A03440 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#A03440 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03440

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03440	#FFFFFF	#000000	##FFFFFF
##A03440	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4C40

Deuteranopia (green-blind)

#6B633D

Tritanopia (blue-blind)

#AF1D39

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a03440;
/* rgb */ color: rgb(160, 52, 64);
/* oklch */ color: oklch(48.6% 0.142 17.8);

Tailwind

colors: {
  custom: {
    50: '#c27274',
    500: '#a03440',
    950: '#000000',
  },
}

SCSS

$custom: #a03440;
$custom-light: #c27274;
$custom-dark: #000000;

JSON

{
  "hex": "#a03440",
  "rgb": {
    "r": 160,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 353.333,
    "s": 50.943,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48641,
    "c": 0.14239,
    "h": 17.8
  },
  "luminance": 0.103
}

Semantic roles & 50–950 ramp

primary

#A03440

secondary

#73BDB4

accent

#DACB4D

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140808

muted

#827B7B

Preview Lab

Preview with #A03440

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

Preview Lab → · Contrast checker → · Palette generator →