#A13638#A13638

#A13638 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.142 H 23.0°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#A13638
RGB	rgb(161, 54, 56)
HSL	hsl(359, 50%, 42%)
HSV	hsv(359, 66%, 63%)
CMYK	cmyk(0%, 66.5%, 65.2%, 36.9%)
CIE-LAB	lab(38.73, 44.32, 23.29)
CIE-LCH	lch(38.73, 50.07, 27.72°)
OKLab	oklab(48.89% 0.1305 0.0554)
OKLCH	oklch(48.89% 0.142 23)
XYZ	xyz(16.7326, 10.5032, 4.8868)
Luminance	0.1050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13638 #36A19F

analogous

#A1366D #A13638 #A16A36

triadic

#A13638 #38A136 #3638A1

tetradic

#A13638 #6DA136 #36A19F #6A36A1

square

#A13638 #6DA136 #36A19F #6A36A1

split-complementary

#A13638 #36A16A #366DA1

monochromatic

#451718 #732728 #A13638 #C45052 #D47E7F

Accessibility & contrast

On white

6.77

#A13638 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A13638 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13638

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13638	#FFFFFF	#000000	##FFFFFF
##A13638	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524D37

Deuteranopia (green-blind)

#6D6435

Tritanopia (blue-blind)

#B11D38

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a13638;
/* rgb */ color: rgb(161, 54, 56);
/* oklch */ color: oklch(48.9% 0.142 23.0);

Tailwind

colors: {
  custom: {
    50: '#c3736e',
    500: '#a13638',
    950: '#000000',
  },
}

SCSS

$custom: #a13638;
$custom-light: #c3736e;
$custom-dark: #000000;

JSON

{
  "hex": "#a13638",
  "rgb": {
    "r": 161,
    "g": 54,
    "b": 56
  },
  "hsl": {
    "h": 358.879,
    "s": 49.767,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4889,
    "c": 0.14179,
    "h": 23
  },
  "luminance": 0.10501
}

Semantic roles & 50–950 ramp

primary

#A13638

secondary

#76BDBB

accent

#D9D74F

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140807

muted

#827B7A

Preview Lab

Preview with #A13638

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

Preview Lab → · Contrast checker → · Palette generator →