#A42123#A42123

#A42123 is a mid, vivid red. Relative luminance 0.091; OKLCH L 47.0% C 0.167 H 25.9°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#A42123
RGB	rgb(164, 33, 35)
HSL	hsl(359, 66%, 39%)
HSV	hsv(359, 80%, 64%)
CMYK	cmyk(0%, 79.9%, 78.7%, 35.7%)
CIE-LAB	lab(36.18, 52.06, 33.16)
CIE-LCH	lch(36.18, 61.72, 32.49°)
OKLab	oklab(47% 0.1501 0.0728)
OKLCH	oklch(47% 0.167 25.9)
XYZ	xyz(16.1590, 9.1042, 2.4962)
Luminance	0.0910 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42123 #21A4A2

analogous

#A42164 #A42123 #A46021

triadic

#A42123 #23A421 #2123A4

tetradic

#A42123 #64A421 #21A4A2 #6021A4

square

#A42123 #64A421 #21A4A2 #6021A4

split-complementary

#A42123 #21A460 #2164A4

monochromatic

#3E0C0D #711718 #A42123 #D52D30 #DF6062

Accessibility & contrast

On white

7.45

#A42123 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#A42123 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42123

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42123	#FFFFFF	#000000	##FFFFFF
##A42123	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4321

Deuteranopia (green-blind)

#6B5F1D

Tritanopia (blue-blind)

#B50024

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a42123;
/* rgb */ color: rgb(164, 33, 35);
/* oklch */ color: oklch(47.0% 0.167 25.9);

Tailwind

colors: {
  custom: {
    50: '#c8695e',
    500: '#a42123',
    950: '#000000',
  },
}

SCSS

$custom: #a42123;
$custom-light: #c8695e;
$custom-dark: #000000;

JSON

{
  "hex": "#a42123",
  "rgb": {
    "r": 164,
    "g": 33,
    "b": 35
  },
  "hsl": {
    "h": 359.084,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47,
    "c": 0.16682,
    "h": 25.9
  },
  "luminance": 0.09102
}

Semantic roles & 50–950 ramp

primary

#A42123

secondary

#5DC4C2

accent

#E9E73E

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A42123

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

Preview Lab → · Contrast checker → · Palette generator →