#A42C3B#A42C3B

#A42C3B is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.4% C 0.155 H 18.4°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#A42C3B
RGB	rgb(164, 44, 59)
HSL	hsl(353, 58%, 41%)
HSV	hsv(353, 73%, 64%)
CMYK	cmyk(0%, 73.2%, 64%, 35.7%)
CIE-LAB	lab(37.86, 49.55, 20.43)
CIE-LCH	lch(37.86, 53.59, 22.40°)
OKLab	oklab(48.36% 0.1474 0.0491)
OKLCH	oklch(48.36% 0.155 18.4)
XYZ	xyz(17.0017, 10.0121, 5.1741)
Luminance	0.1001 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42C3B #2CA495

analogous

#A42C77 #A42C3B #A4592C

triadic

#A42C3B #3BA42C #2C3BA4

tetradic

#A42C3B #77A42C #2CA495 #592CA4

square

#A42C3B #77A42C #2CA495 #592CA4

split-complementary

#A42C3B #2CA459 #2C77A4

monochromatic

#431218 #741F2A #A42C3B #CC4153 #D9717E

Accessibility & contrast

On white

7.00

#A42C3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#A42C3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42C3B

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42C3B	#FFFFFF	#000000	##FFFFFF
##A42C3B	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D493B

Deuteranopia (green-blind)

#6B6238

Tritanopia (blue-blind)

#B40332

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42c3b;
/* rgb */ color: rgb(164, 44, 59);
/* oklch */ color: oklch(48.4% 0.155 18.4);

Tailwind

colors: {
  custom: {
    50: '#c66e70',
    500: '#a42c3b',
    950: '#000000',
  },
}

SCSS

$custom: #a42c3b;
$custom-light: #c66e70;
$custom-dark: #000000;

JSON

{
  "hex": "#a42c3b",
  "rgb": {
    "r": 164,
    "g": 44,
    "b": 59
  },
  "hsl": {
    "h": 352.5,
    "s": 57.692,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48364,
    "c": 0.15535,
    "h": 18.4
  },
  "luminance": 0.1001
}

Semantic roles & 50–950 ramp

primary

#A42C3B

secondary

#6BC0B6

accent

#E1CE47

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A42C3B

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

Preview Lab → · Contrast checker → · Palette generator →