#AD2B23#AD2B23

#AD2B23 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.5% C 0.168 H 28.4°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#AD2B23
RGB	rgb(173, 43, 35)
HSL	hsl(3, 66%, 41%)
HSV	hsv(3, 80%, 68%)
CMYK	cmyk(0%, 75.1%, 79.8%, 32.2%)
CIE-LAB	lab(39.13, 51.62, 36.78)
CIE-LCH	lch(39.13, 63.38, 35.47°)
OKLab	oklab(49.51% 0.1476 0.08)
OKLCH	oklch(49.51% 0.168 28.4)
XYZ	xyz(18.4030, 10.7362, 2.6931)
Luminance	0.1073 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD2B23 #23A5AD

analogous

#AD2360 #AD2B23 #AD7023

triadic

#AD2B23 #23AD2B #2B23AD

tetradic

#AD2B23 #60AD23 #23A5AD #7023AD

square

#AD2B23 #60AD23 #23A5AD #7023AD

split-complementary

#AD2B23 #23AD70 #2360AD

monochromatic

#47120E #7A1E19 #AD2B23 #D64037 #E1716A

Accessibility & contrast

On white

6.67

#AD2B23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#AD2B23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD2B23

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD2B23	#FFFFFF	#000000	##FFFFFF
##AD2B23	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A21

Deuteranopia (green-blind)

#73661D

Tritanopia (blue-blind)

#BF002B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ad2b23;
/* rgb */ color: rgb(173, 43, 35);
/* oklch */ color: oklch(49.5% 0.168 28.4);

Tailwind

colors: {
  custom: {
    50: '#ce6f5f',
    500: '#ad2b23',
    950: '#000000',
  },
}

SCSS

$custom: #ad2b23;
$custom-light: #ce6f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad2b23",
  "rgb": {
    "r": 173,
    "g": 43,
    "b": 35
  },
  "hsl": {
    "h": 3.478,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49514,
    "c": 0.1679,
    "h": 28.4
  },
  "luminance": 0.10733
}

Semantic roles & 50–950 ramp

primary

#AD2B23

secondary

#65C1C7

accent

#DFE93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AD2B23

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

Preview Lab → · Contrast checker → · Palette generator →