#A03B27#A03B27

#A03B27 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.1% C 0.139 H 33.1°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#A03B27
RGB	rgb(160, 59, 39)
HSL	hsl(10, 61%, 39%)
HSV	hsv(10, 76%, 63%)
CMYK	cmyk(0%, 63.1%, 75.6%, 37.3%)
CIE-LAB	lab(39.16, 40.78, 33.84)
CIE-LCH	lch(39.16, 52.99, 39.69°)
OKLab	oklab(49.1% 0.1161 0.0757)
OKLCH	oklch(49.1% 0.139 33.1)
XYZ	xyz(16.4291, 10.7503, 3.1290)
Luminance	0.1075 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03B27 #278CA0

analogous

#A02750 #A03B27 #A07827

triadic

#A03B27 #27A03B #3B27A0

tetradic

#A03B27 #50A027 #278CA0 #7827A0

square

#A03B27 #50A027 #278CA0 #7827A0

split-complementary

#A03B27 #27A078 #2750A0

monochromatic

#3E170F #6F291B #A03B27 #CE4F36 #DA7A67

Accessibility & contrast

On white

6.67

#A03B27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A03B27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03B27

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03B27	#FFFFFF	#000000	##FFFFFF
##A03B27	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E24

Deuteranopia (green-blind)

#706524

Tritanopia (blue-blind)

#B02237

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a03b27;
/* rgb */ color: rgb(160, 59, 39);
/* oklch */ color: oklch(49.1% 0.139 33.1);

Tailwind

colors: {
  custom: {
    50: '#c37562',
    500: '#a03b27',
    950: '#000000',
  },
}

SCSS

$custom: #a03b27;
$custom-light: #c37562;
$custom-dark: #000000;

JSON

{
  "hex": "#a03b27",
  "rgb": {
    "r": 160,
    "g": 59,
    "b": 39
  },
  "hsl": {
    "h": 9.917,
    "s": 60.804,
    "l": 39.02
  },
  "oklch": {
    "l": 0.491,
    "c": 0.13854,
    "h": 33.1
  },
  "luminance": 0.10748
}

Semantic roles & 50–950 ramp

primary

#A03B27

secondary

#63B1C0

accent

#C9E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A03B27

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

Preview Lab → · Contrast checker → · Palette generator →