#AD3038#AD3038

#AD3038 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.3% C 0.161 H 21.8°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#AD3038
RGB	rgb(173, 48, 56)
HSL	hsl(356, 57%, 43%)
HSV	hsv(356, 72%, 68%)
CMYK	cmyk(0%, 72.3%, 67.6%, 32.2%)
CIE-LAB	lab(40.06, 50.75, 25.43)
CIE-LCH	lch(40.06, 56.77, 26.61°)
OKLab	oklab(50.29% 0.1494 0.0597)
OKLCH	oklch(50.29% 0.161 21.8)
XYZ	xyz(19.0064, 11.2865, 4.9183)
Luminance	0.1128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3038 #30ADA5

analogous

#AD3076 #AD3038 #AD6630

triadic

#AD3038 #38AD30 #3038AD

tetradic

#AD3038 #76AD30 #30ADA5 #6630AD

square

#AD3038 #76AD30 #30ADA5 #6630AD

split-complementary

#AD3038 #30AD66 #3076AD

monochromatic

#4D1519 #7D2328 #AD3038 #CE4D55 #DB7D83

Accessibility & contrast

On white

6.45

#AD3038 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#AD3038 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3038

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3038	#FFFFFF	#000000	##FFFFFF
##AD3038	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D37

Deuteranopia (green-blind)

#736834

Tritanopia (blue-blind)

#BE0234

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ad3038;
/* rgb */ color: rgb(173, 48, 56);
/* oklch */ color: oklch(50.3% 0.161 21.8);

Tailwind

colors: {
  custom: {
    50: '#cd716e',
    500: '#ad3038',
    950: '#000000',
  },
}

SCSS

$custom: #ad3038;
$custom-light: #cd716e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3038",
  "rgb": {
    "r": 173,
    "g": 48,
    "b": 56
  },
  "hsl": {
    "h": 356.16,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50293,
    "c": 0.16091,
    "h": 21.8
  },
  "luminance": 0.11284
}

Semantic roles & 50–950 ramp

primary

#AD3038

secondary

#75C3BE

accent

#E0D648

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #AD3038

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

Preview Lab → · Contrast checker → · Palette generator →