#A3263B#A3263B

#A3263B is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.6% C 0.160 H 16.8°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#A3263B
RGB	rgb(163, 38, 59)
HSL	hsl(350, 62%, 39%)
HSV	hsv(350, 77%, 64%)
CMYK	cmyk(0%, 76.7%, 63.8%, 36.1%)
CIE-LAB	lab(36.91, 51.35, 19.16)
CIE-LCH	lch(36.91, 54.81, 20.46°)
OKLab	oklab(47.62% 0.1533 0.0462)
OKLCH	oklch(47.62% 0.16 16.8)
XYZ	xyz(16.5885, 9.4910, 5.0953)
Luminance	0.0949 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3263B #26A38E

analogous

#A3267A #A3263B #A35026

triadic

#A3263B #3BA326 #263BA3

tetradic

#A3263B #7AA326 #26A38E #5026A3

square

#A3263B #7AA326 #26A38E #5026A3

split-complementary

#A3263B #26A350 #267AA3

monochromatic

#400F17 #711A29 #A3263B #D03650 #DC687B

Accessibility & contrast

On white

7.25

#A3263B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A3263B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A3263B

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3263B	#FFFFFF	#000000	##FFFFFF
##A3263B	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49463B

Deuteranopia (green-blind)

#696038

Tritanopia (blue-blind)

#B3002F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a3263b;
/* rgb */ color: rgb(163, 38, 59);
/* oklch */ color: oklch(47.6% 0.160 16.8);

Tailwind

colors: {
  custom: {
    50: '#c56c70',
    500: '#a3263b',
    950: '#000000',
  },
}

SCSS

$custom: #a3263b;
$custom-light: #c56c70;
$custom-dark: #000000;

JSON

{
  "hex": "#a3263b",
  "rgb": {
    "r": 163,
    "g": 38,
    "b": 59
  },
  "hsl": {
    "h": 349.92,
    "s": 62.189,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47622,
    "c": 0.1601,
    "h": 16.8
  },
  "luminance": 0.09489
}

Semantic roles & 50–950 ramp

primary

#A3263B

secondary

#63C2B2

accent

#E5CA43

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A3263B

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

Preview Lab → · Contrast checker → · Palette generator →