#A42729#A42729

#A42729 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.6% C 0.161 H 25.1°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#A42729
RGB	rgb(164, 39, 41)
HSL	hsl(359, 62%, 40%)
HSV	hsv(359, 76%, 64%)
CMYK	cmyk(0%, 76.2%, 75%, 35.7%)
CIE-LAB	lab(36.94, 50.38, 30.43)
CIE-LCH	lch(36.94, 58.85, 31.13°)
OKLab	oklab(47.59% 0.1461 0.0685)
OKLCH	oklch(47.59% 0.161 25.1)
XYZ	xyz(16.4375, 9.5062, 3.0668)
Luminance	0.0950 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42729 #27A4A2

analogous

#A42768 #A42729 #A46427

triadic

#A42729 #29A427 #2729A4

tetradic

#A42729 #68A427 #27A4A2 #6427A4

square

#A42729 #68A427 #27A4A2 #6427A4

split-complementary

#A42729 #27A464 #2768A4

monochromatic

#410F10 #731B1D #A42729 #D0383B #DC6A6C

Accessibility & contrast

On white

7.24

#A42729 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A42729 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42729

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42729	#FFFFFF	#000000	##FFFFFF
##A42729	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4628

Deuteranopia (green-blind)

#6C6124

Tritanopia (blue-blind)

#B50029

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a42729;
/* rgb */ color: rgb(164, 39, 41);
/* oklch */ color: oklch(47.6% 0.161 25.1);

Tailwind

colors: {
  custom: {
    50: '#c76c63',
    500: '#a42729',
    950: '#000000',
  },
}

SCSS

$custom: #a42729;
$custom-light: #c76c63;
$custom-dark: #000000;

JSON

{
  "hex": "#a42729",
  "rgb": {
    "r": 164,
    "g": 39,
    "b": 41
  },
  "hsl": {
    "h": 359.04,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47586,
    "c": 0.16135,
    "h": 25.1
  },
  "luminance": 0.09504
}

Semantic roles & 50–950 ramp

primary

#A42729

secondary

#65C2C0

accent

#E5E243

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150705

muted

#837A79

Preview Lab

Preview with #A42729

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

Preview Lab → · Contrast checker → · Palette generator →