#A42B3B#A42B3B

#A42B3B is a mid, vivid red. Relative luminance 0.099; OKLCH L 48.3% C 0.156 H 18.2°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#A42B3B
RGB	rgb(164, 43, 59)
HSL	hsl(352, 58%, 41%)
HSV	hsv(352, 74%, 64%)
CMYK	cmyk(0%, 73.8%, 64%, 35.7%)
CIE-LAB	lab(37.73, 49.92, 20.26)
CIE-LCH	lch(37.73, 53.87, 22.09°)
OKLab	oklab(48.27% 0.1485 0.0487)
OKLCH	oklch(48.27% 0.156 18.2)
XYZ	xyz(16.9649, 9.9385, 5.1618)
Luminance	0.0994 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42B3B #2BA494

analogous

#A42B77 #A42B3B #A4572B

triadic

#A42B3B #3BA42B #2B3BA4

tetradic

#A42B3B #77A42B #2BA494 #572BA4

square

#A42B3B #77A42B #2BA494 #572BA4

split-complementary

#A42B3B #2BA457 #2B77A4

monochromatic

#431218 #741E2A #A42B3B #CD3F52 #D9707E

Accessibility & contrast

On white

7.03

#A42B3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#A42B3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42B3B

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42B3B	#FFFFFF	#000000	##FFFFFF
##A42B3B	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C493B

Deuteranopia (green-blind)

#6B6238

Tritanopia (blue-blind)

#B40032

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42b3b;
/* rgb */ color: rgb(164, 43, 59);
/* oklch */ color: oklch(48.3% 0.156 18.2);

Tailwind

colors: {
  custom: {
    50: '#c66e70',
    500: '#a42b3b',
    950: '#000000',
  },
}

SCSS

$custom: #a42b3b;
$custom-light: #c66e70;
$custom-dark: #000000;

JSON

{
  "hex": "#a42b3b",
  "rgb": {
    "r": 164,
    "g": 43,
    "b": 59
  },
  "hsl": {
    "h": 352.066,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.48265,
    "c": 0.15634,
    "h": 18.2
  },
  "luminance": 0.09936
}

Semantic roles & 50–950 ramp

primary

#A42B3B

secondary

#6AC1B5

accent

#E2CD46

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A42B3B

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

Preview Lab → · Contrast checker → · Palette generator →