#BA3731#BA3731

#BA3731 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.2% C 0.169 H 27.1°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#BA3731
RGB	rgb(186, 55, 49)
HSL	hsl(3, 58%, 46%)
HSV	hsv(3, 74%, 73%)
CMYK	cmyk(0%, 70.4%, 73.7%, 27.1%)
CIE-LAB	lab(43.35, 51.96, 34.10)
CIE-LCH	lch(43.35, 62.15, 33.28°)
OKLab	oklab(53.17% 0.1501 0.077)
OKLCH	oklch(53.17% 0.169 27.1)
XYZ	xyz(22.1728, 13.3966, 4.3234)
Luminance	0.1339 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BA3731 #31B4BA

analogous

#BA316F #BA3731 #BA7B31

triadic

#BA3731 #31BA37 #3731BA

tetradic

#BA3731 #6FBA31 #31B4BA #7B31BA

square

#BA3731 #6FBA31 #31B4BA #7B31BA

split-complementary

#BA3731 #31BA7B #316FBA

monochromatic

#591A17 #8A2924 #BA3731 #D25B56 #DF8A86

Accessibility & contrast

On white

5.71

#BA3731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#BA3731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BA3731

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BA3731	#FFFFFF	#000000	##FFFFFF
##BA3731	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D542F

Deuteranopia (green-blind)

#7D712C

Tritanopia (blue-blind)

#CD0537

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #ba3731;
/* rgb */ color: rgb(186, 55, 49);
/* oklch */ color: oklch(53.2% 0.169 27.1);

Tailwind

colors: {
  custom: {
    50: '#d77669',
    500: '#ba3731',
    950: '#000000',
  },
}

SCSS

$custom: #ba3731;
$custom-light: #d77669;
$custom-dark: #000000;

JSON

{
  "hex": "#ba3731",
  "rgb": {
    "r": 186,
    "g": 55,
    "b": 49
  },
  "hsl": {
    "h": 2.628,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53166,
    "c": 0.16867,
    "h": 27.1
  },
  "luminance": 0.13393
}

Semantic roles & 50–950 ramp

primary

#BA3731

secondary

#7EC6C9

accent

#DBE246

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BA3731

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

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