#A5403B#A5403B

#A5403B is a mid, vivid red. Relative luminance 0.120; OKLCH L 50.9% C 0.135 H 25.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#A5403B
RGB	rgb(165, 64, 59)
HSL	hsl(3, 47%, 44%)
HSV	hsv(3, 64%, 65%)
CMYK	cmyk(0%, 61.2%, 64.2%, 35.3%)
CIE-LAB	lab(41.19, 41.37, 24.70)
CIE-LCH	lch(41.19, 48.18, 30.84°)
OKLab	oklab(50.89% 0.1213 0.0588)
OKLCH	oklch(50.89% 0.135 25.8)
XYZ	xyz(18.1416, 11.9843, 5.4947)
Luminance	0.1198 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5403B #3BA0A5

analogous

#A53B6B #A5403B #A5753B

triadic

#A5403B #3BA540 #403BA5

tetradic

#A5403B #6BA53B #3BA0A5 #753BA5

square

#A5403B #6BA53B #3BA0A5 #753BA5

split-complementary

#A5403B #3BA575 #3B6BA5

monochromatic

#4B1D1B #782F2B #A5403B #C45E59 #D48A86

Accessibility & contrast

On white

6.18

#A5403B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#A5403B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A5403B

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5403B	#FFFFFF	#000000	##FFFFFF
##A5403B	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A543A

Deuteranopia (green-blind)

#736938

Tritanopia (blue-blind)

#B52C40

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a5403b;
/* rgb */ color: rgb(165, 64, 59);
/* oklch */ color: oklch(50.9% 0.135 25.8);

Tailwind

colors: {
  custom: {
    50: '#c67971',
    500: '#a5403b',
    950: '#000000',
  },
}

SCSS

$custom: #a5403b;
$custom-light: #c67971;
$custom-dark: #000000;

JSON

{
  "hex": "#a5403b",
  "rgb": {
    "r": 165,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 2.83,
    "s": 47.321,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50888,
    "c": 0.13481,
    "h": 25.8
  },
  "luminance": 0.11982
}

Semantic roles & 50–950 ramp

primary

#A5403B

secondary

#7EBBBE

accent

#D1D751

background

#FCF7F6

surface

#F9EEEC

border

#D2C9C7

text

#140907

muted

#827B7A

Preview Lab

Preview with #A5403B

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

Preview Lab → · Contrast checker → · Palette generator →