#A01739#A01739

#A01739 is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.9% C 0.169 H 14.5°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#A01739
RGB	rgb(160, 23, 57)
HSL	hsl(345, 75%, 36%)
HSV	hsv(345, 86%, 63%)
CMYK	cmyk(0%, 85.6%, 64.4%, 37.3%)
CIE-LAB	lab(34.77, 54.59, 17.53)
CIE-LCH	lch(34.77, 57.33, 17.80°)
OKLab	oklab(45.92% 0.1637 0.0424)
OKLCH	oklch(45.92% 0.169 14.5)
XYZ	xyz(15.5438, 8.3842, 4.6700)
Luminance	0.0838 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01739 #17A07E

analogous

#A0177D #A01739 #A03917

triadic

#A01739 #39A017 #1739A0

tetradic

#A01739 #7DA017 #17A07E #3917A0

square

#A01739 #7DA017 #17A07E #3917A0

split-complementary

#A01739 #17A039 #177DA0

monochromatic

#350813 #6A0F26 #A01739 #D61F4C #E54C72

Accessibility & contrast

On white

7.85

#A01739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A01739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01739

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01739	#FFFFFF	#000000	##FFFFFF
##A01739	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424039

Deuteranopia (green-blind)

#645C35

Tritanopia (blue-blind)

#B00027

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01739;
/* rgb */ color: rgb(160, 23, 57);
/* oklch */ color: oklch(45.9% 0.169 14.5);

Tailwind

colors: {
  custom: {
    50: '#c4666f',
    500: '#a01739',
    950: '#000000',
  },
}

SCSS

$custom: #a01739;
$custom-light: #c4666f;
$custom-dark: #000000;

JSON

{
  "hex": "#a01739",
  "rgb": {
    "r": 160,
    "g": 23,
    "b": 57
  },
  "hsl": {
    "h": 345.109,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45918,
    "c": 0.16913,
    "h": 14.5
  },
  "luminance": 0.08382
}

Semantic roles & 50–950 ramp

primary

#A01739

secondary

#4CC7A8

accent

#F1C336

background

#FDF6F6

surface

#FAEBEC

border

#D3C6C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A01739

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

Preview Lab → · Contrast checker → · Palette generator →