#D43D3B#D43D3B

#D43D3B is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.4% C 0.188 H 25.8°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#D43D3B
RGB	rgb(212, 61, 59)
HSL	hsl(1, 64%, 53%)
HSV	hsv(1, 72%, 83%)
CMYK	cmyk(0%, 71.2%, 72.2%, 16.9%)
CIE-LAB	lab(49.07, 58.47, 36.15)
CIE-LCH	lch(49.07, 68.74, 31.73°)
OKLab	oklab(58.35% 0.1696 0.0821)
OKLCH	oklch(58.35% 0.188 25.8)
XYZ	xyz(29.6129, 17.6548, 5.9853)
Luminance	0.1765 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D43D3B #3BD2D4

analogous

#D43B86 #D43D3B #D4893B

triadic

#D43D3B #3BD43D #3D3BD4

tetradic

#D43D3B #86D43B #3BD2D4 #893BD4

square

#D43D3B #86D43B #3BD2D4 #893BD4

split-complementary

#D43D3B #3BD489 #3B86D4

monochromatic

#7A1C1B #AC2826 #D43D3B #DF6F6D #EAA09F

Accessibility & contrast

On white

4.64

#D43D3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#D43D3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D43D3B

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D43D3B	#FFFFFF	#000000	##FFFFFF
##D43D3B	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696039

Deuteranopia (green-blind)

#8E8136

Tritanopia (blue-blind)

#E9003E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d43d3b;
/* rgb */ color: rgb(212, 61, 59);
/* oklch */ color: oklch(58.4% 0.188 25.8);

Tailwind

colors: {
  custom: {
    50: '#ea7d71',
    500: '#d43d3b',
    950: '#000000',
  },
}

SCSS

$custom: #d43d3b;
$custom-light: #ea7d71;
$custom-dark: #000000;

JSON

{
  "hex": "#d43d3b",
  "rgb": {
    "r": 212,
    "g": 61,
    "b": 59
  },
  "hsl": {
    "h": 0.784,
    "s": 64.017,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58352,
    "c": 0.1884,
    "h": 25.8
  },
  "luminance": 0.1765
}

Semantic roles & 50–950 ramp

primary

#D43D3B

secondary

#94D6D6

accent

#E5E741

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D43D3B

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

Preview Lab → · Contrast checker → · Palette generator →