#A42C40#A42C40

#A42C40 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.5% C 0.155 H 15.9°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#A42C40
RGB	rgb(164, 44, 64)
HSL	hsl(350, 58%, 41%)
HSV	hsv(350, 73%, 64%)
CMYK	cmyk(0%, 73.2%, 61%, 35.7%)
CIE-LAB	lab(37.96, 49.88, 17.40)
CIE-LCH	lch(37.96, 52.83, 19.23°)
OKLab	oklab(48.47% 0.1494 0.0426)
OKLCH	oklch(48.47% 0.155 15.9)
XYZ	xyz(17.1377, 10.0665, 5.8901)
Luminance	0.1006 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42C40 #2CA490

analogous

#A42C7C #A42C40 #A4542C

triadic

#A42C40 #40A42C #2C40A4

tetradic

#A42C40 #7CA42C #2CA490 #542CA4

square

#A42C40 #7CA42C #2CA490 #542CA4

split-complementary

#A42C40 #2CA454 #2C7CA4

monochromatic

#43121A #741F2D #A42C40 #CC4158 #D97183

Accessibility & contrast

On white

6.97

#A42C40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#A42C40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42C40

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42C40	#FFFFFF	#000000	##FFFFFF
##A42C40	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4940

Deuteranopia (green-blind)

#6B623D

Tritanopia (blue-blind)

#B40634

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42c40;
/* rgb */ color: rgb(164, 44, 64);
/* oklch */ color: oklch(48.5% 0.155 15.9);

Tailwind

colors: {
  custom: {
    50: '#c66f74',
    500: '#a42c40',
    950: '#000000',
  },
}

SCSS

$custom: #a42c40;
$custom-light: #c66f74;
$custom-dark: #000000;

JSON

{
  "hex": "#a42c40",
  "rgb": {
    "r": 164,
    "g": 44,
    "b": 64
  },
  "hsl": {
    "h": 350,
    "s": 57.692,
    "l": 40.784
  },
  "oklch": {
    "l": 0.48468,
    "c": 0.15534,
    "h": 15.9
  },
  "luminance": 0.10064
}

Semantic roles & 50–950 ramp

primary

#A42C40

secondary

#6BC0B2

accent

#E1C747

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140808

muted

#837B7B

Preview Lab

Preview with #A42C40

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

Preview Lab → · Contrast checker → · Palette generator →