#A5374B#A5374B

#A5374B is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.1% C 0.145 H 13.3°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#A5374B
RGB	rgb(165, 55, 75)
HSL	hsl(349, 50%, 43%)
HSV	hsv(349, 67%, 65%)
CMYK	cmyk(0%, 66.7%, 54.5%, 35.3%)
CIE-LAB	lab(39.99, 46.64, 13.22)
CIE-LCH	lch(39.99, 48.47, 15.82°)
OKLab	oklab(50.09% 0.1407 0.0333)
OKLCH	oklch(50.09% 0.145 13.3)
XYZ	xyz(18.1548, 11.2421, 7.8692)
Luminance	0.1124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5374B #37A591

analogous

#A53782 #A5374B #A55A37

triadic

#A5374B #4BA537 #374BA5

tetradic

#A5374B #82A537 #37A591 #5A37A5

square

#A5374B #82A537 #37A591 #5A37A5

split-complementary

#A5374B #37A55A #3782A5

monochromatic

#491821 #772836 #A5374B #C65368 #D58191

Accessibility & contrast

On white

6.47

#A5374B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#A5374B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A5374B

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5374B	#FFFFFF	#000000	##FFFFFF
##A5374B	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504B

Deuteranopia (green-blind)

#6E6748

Tritanopia (blue-blind)

#B4233F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a5374b;
/* rgb */ color: rgb(165, 55, 75);
/* oklch */ color: oklch(50.1% 0.145 13.3);

Tailwind

colors: {
  custom: {
    50: '#c5747d',
    500: '#a5374b',
    950: '#000000',
  },
}

SCSS

$custom: #a5374b;
$custom-light: #c5747d;
$custom-dark: #000000;

JSON

{
  "hex": "#a5374b",
  "rgb": {
    "r": 165,
    "g": 55,
    "b": 75
  },
  "hsl": {
    "h": 349.091,
    "s": 50,
    "l": 43.137
  },
  "oklch": {
    "l": 0.50085,
    "c": 0.14459,
    "h": 13.3
  },
  "luminance": 0.1124
}

Semantic roles & 50–950 ramp

primary

#A5374B

secondary

#79BFB2

accent

#DAC04E

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#140909

muted

#827B7B

Preview Lab

Preview with #A5374B

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

Preview Lab → · Contrast checker → · Palette generator →