#A03037#A03037

#A03037 is a mid, vivid red. Relative luminance 0.099; OKLCH L 48.0% C 0.147 H 21.3°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#A03037
RGB	rgb(160, 48, 55)
HSL	hsl(356, 54%, 41%)
HSV	hsv(356, 70%, 63%)
CMYK	cmyk(0%, 70%, 65.6%, 37.3%)
CIE-LAB	lab(37.60, 46.45, 22.44)
CIE-LCH	lch(37.60, 51.58, 25.79°)
OKLab	oklab(48.01% 0.1372 0.0534)
OKLCH	oklch(48.01% 0.147 21.3)
XYZ	xyz(16.2454, 9.8656, 4.6625)
Luminance	0.0986 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03037 #30A099

analogous

#A0306F #A03037 #A06130

triadic

#A03037 #37A030 #3037A0

tetradic

#A03037 #6FA030 #30A099 #6130A0

square

#A03037 #6FA030 #30A099 #6130A0

split-complementary

#A03037 #30A061 #306FA0

monochromatic

#421417 #712227 #A03037 #C7464E #D6757B

Accessibility & contrast

On white

7.06

#A03037 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#A03037 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A03037

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03037	#FFFFFF	#000000	##FFFFFF
##A03037	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4936

Deuteranopia (green-blind)

#6B6134

Tritanopia (blue-blind)

#B01133

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a03037;
/* rgb */ color: rgb(160, 48, 55);
/* oklch */ color: oklch(48.0% 0.147 21.3);

Tailwind

colors: {
  custom: {
    50: '#c3706d',
    500: '#a03037',
    950: '#000000',
  },
}

SCSS

$custom: #a03037;
$custom-light: #c3706d;
$custom-dark: #000000;

JSON

{
  "hex": "#a03037",
  "rgb": {
    "r": 160,
    "g": 48,
    "b": 55
  },
  "hsl": {
    "h": 356.25,
    "s": 53.846,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48005,
    "c": 0.14722,
    "h": 21.3
  },
  "luminance": 0.09863
}

Semantic roles & 50–950 ramp

primary

#A03037

secondary

#6EBEB9

accent

#DDD44B

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140807

muted

#827B7A

Preview Lab

Preview with #A03037

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

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