#A42C1F#A42C1F

#A42C1F is a mid, vivid red. Relative luminance 0.098; OKLCH L 47.9% C 0.158 H 30.0°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#A42C1F
RGB	rgb(164, 44, 31)
HSL	hsl(6, 68%, 38%)
HSV	hsv(6, 81%, 64%)
CMYK	cmyk(0%, 73.2%, 81.1%, 35.7%)
CIE-LAB	lab(37.47, 48.21, 36.75)
CIE-LCH	lch(37.47, 60.62, 37.32°)
OKLab	oklab(47.95% 0.1372 0.0794)
OKLCH	oklch(47.95% 0.158 30)
XYZ	xyz(16.4598, 9.7954, 2.3201)
Luminance	0.0979 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42C1F #1F97A4

analogous

#A41F54 #A42C1F #A46E1F

triadic

#A42C1F #1FA42C #2C1FA4

tetradic

#A42C1F #54A41F #1F97A4 #6E1FA4

square

#A42C1F #54A41F #1F97A4 #6E1FA4

split-complementary

#A42C1F #1FA46E #1F54A4

monochromatic

#3D100C #711E15 #A42C1F #D73A2A #E06A5D

Accessibility & contrast

On white

7.10

#A42C1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#A42C1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42C1F

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42C1F	#FFFFFF	#000000	##FFFFFF
##A42C1F	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50471C

Deuteranopia (green-blind)

#6E6219

Tritanopia (blue-blind)

#B5002A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42c1f;
/* rgb */ color: rgb(164, 44, 31);
/* oklch */ color: oklch(47.9% 0.158 30.0);

Tailwind

colors: {
  custom: {
    50: '#c86e5c',
    500: '#a42c1f',
    950: '#000000',
  },
}

SCSS

$custom: #a42c1f;
$custom-light: #c86e5c;
$custom-dark: #000000;

JSON

{
  "hex": "#a42c1f",
  "rgb": {
    "r": 164,
    "g": 44,
    "b": 31
  },
  "hsl": {
    "h": 5.865,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47946,
    "c": 0.15848,
    "h": 30
  },
  "luminance": 0.09793
}

Semantic roles & 50–950 ramp

primary

#A42C1F

secondary

#5ABAC5

accent

#DAEB3D

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A42C1F

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

Preview Lab → · Contrast checker → · Palette generator →