#A5301B#A5301B

#A5301B is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.157 H 32.5°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#A5301B
RGB	rgb(165, 48, 27)
HSL	hsl(9, 72%, 38%)
HSV	hsv(9, 84%, 65%)
CMYK	cmyk(0%, 70.9%, 83.6%, 35.3%)
CIE-LAB	lab(38.19, 46.88, 39.62)
CIE-LCH	lch(38.19, 61.38, 40.20°)
OKLab	oklab(48.51% 0.1322 0.0841)
OKLCH	oklch(48.51% 0.157 32.5)
XYZ	xyz(16.7738, 10.1949, 2.1213)
Luminance	0.1019 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5301B #1B90A5

analogous

#A51B4B #A5301B #A5751B

triadic

#A5301B #1BA530 #301BA5

tetradic

#A5301B #4BA51B #1B90A5 #751BA5

square

#A5301B #4BA51B #1B90A5 #751BA5

split-complementary

#A5301B #1BA575 #1B4BA5

monochromatic

#3C110A #702112 #A5301B #DA3F24 #E36C57

Accessibility & contrast

On white

6.91

#A5301B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#A5301B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A5301B

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5301B	#FFFFFF	#000000	##FFFFFF
##A5301B	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534917

Deuteranopia (green-blind)

#706315

Tritanopia (blue-blind)

#B6002C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a5301b;
/* rgb */ color: rgb(165, 48, 27);
/* oklch */ color: oklch(48.5% 0.157 32.5);

Tailwind

colors: {
  custom: {
    50: '#c9705a',
    500: '#a5301b',
    950: '#000000',
  },
}

SCSS

$custom: #a5301b;
$custom-light: #c9705a;
$custom-dark: #000000;

JSON

{
  "hex": "#a5301b",
  "rgb": {
    "r": 165,
    "g": 48,
    "b": 27
  },
  "hsl": {
    "h": 9.13,
    "s": 71.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.48507,
    "c": 0.15668,
    "h": 32.5
  },
  "luminance": 0.10192
}

Semantic roles & 50–950 ramp

primary

#A5301B

secondary

#55B5C7

accent

#D3EF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A5301B

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

Preview Lab → · Contrast checker → · Palette generator →