#A42827#A42827

#A42827 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.7% C 0.161 H 26.1°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#A42827
RGB	rgb(164, 40, 39)
HSL	hsl(0, 62%, 40%)
HSV	hsv(0, 76%, 64%)
CMYK	cmyk(0%, 75.6%, 76.2%, 35.7%)
CIE-LAB	lab(37.04, 49.95, 31.73)
CIE-LCH	lch(37.04, 59.17, 32.42°)
OKLab	oklab(47.65% 0.1443 0.0708)
OKLCH	oklch(47.65% 0.161 26.1)
XYZ	xyz(16.4368, 9.5591, 2.8987)
Luminance	0.0956 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42827 #27A3A4

analogous

#A42765 #A42827 #A46727

triadic

#A42827 #27A428 #2827A4

tetradic

#A42827 #65A427 #27A3A4 #6727A4

square

#A42827 #65A427 #27A3A4 #6727A4

split-complementary

#A42827 #27A467 #2765A4

monochromatic

#41100F #731C1B #A42827 #D03A38 #DC6B6A

Accessibility & contrast

On white

7.21

#A42827 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#A42827 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42827

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42827	#FFFFFF	#000000	##FFFFFF
##A42827	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4625

Deuteranopia (green-blind)

#6C6122

Tritanopia (blue-blind)

#B50029

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a42827;
/* rgb */ color: rgb(164, 40, 39);
/* oklch */ color: oklch(47.7% 0.161 26.1);

Tailwind

colors: {
  custom: {
    50: '#c76c61',
    500: '#a42827',
    950: '#000000',
  },
}

SCSS

$custom: #a42827;
$custom-light: #c76c61;
$custom-dark: #000000;

JSON

{
  "hex": "#a42827",
  "rgb": {
    "r": 164,
    "g": 40,
    "b": 39
  },
  "hsl": {
    "h": 0.48,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47651,
    "c": 0.16075,
    "h": 26.1
  },
  "luminance": 0.09557
}

Semantic roles & 50–950 ramp

primary

#A42827

secondary

#65C1C2

accent

#E3E543

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A42827

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

Preview Lab → · Contrast checker → · Palette generator →