#A62728#A62728

#A62728 is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.9% C 0.163 H 25.6°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#A62728
RGB	rgb(166, 39, 40)
HSL	hsl(360, 62%, 40%)
HSV	hsv(360, 77%, 65%)
CMYK	cmyk(0%, 76.5%, 75.9%, 34.9%)
CIE-LAB	lab(37.32, 50.96, 31.56)
CIE-LCH	lch(37.32, 59.94, 31.77°)
OKLab	oklab(47.94% 0.1475 0.0706)
OKLCH	oklch(47.94% 0.163 25.6)
XYZ	xyz(16.8364, 9.7139, 2.9955)
Luminance	0.0971 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A62728 #27A6A5

analogous

#A62767 #A62728 #A66627

triadic

#A62728 #28A627 #2728A6

tetradic

#A62728 #67A627 #27A6A5 #6627A6

square

#A62728 #67A627 #27A6A5 #6627A6

split-complementary

#A62728 #27A666 #2767A6

monochromatic

#431010 #741B1C #A62728 #D13A3B #DC6B6C

Accessibility & contrast

On white

7.14

#A62728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#A62728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A62728

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A62728	#FFFFFF	#000000	##FFFFFF
##A62728	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4627

Deuteranopia (green-blind)

#6D6223

Tritanopia (blue-blind)

#B70029

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a62728;
/* rgb */ color: rgb(166, 39, 40);
/* oklch */ color: oklch(47.9% 0.163 25.6);

Tailwind

colors: {
  custom: {
    50: '#c96c62',
    500: '#a62728',
    950: '#000000',
  },
}

SCSS

$custom: #a62728;
$custom-light: #c96c62;
$custom-dark: #000000;

JSON

{
  "hex": "#a62728",
  "rgb": {
    "r": 166,
    "g": 39,
    "b": 40
  },
  "hsl": {
    "h": 359.528,
    "s": 61.951,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47938,
    "c": 0.16349,
    "h": 25.6
  },
  "luminance": 0.09711
}

Semantic roles & 50–950 ramp

primary

#A62728

secondary

#66C3C2

accent

#E5E443

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A62728

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

Preview Lab → · Contrast checker → · Palette generator →