#BA312B#BA312B

#BA312B is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.5% C 0.175 H 27.5°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#BA312B
RGB	rgb(186, 49, 43)
HSL	hsl(3, 62%, 45%)
HSV	hsv(3, 77%, 73%)
CMYK	cmyk(0%, 73.7%, 76.9%, 27.1%)
CIE-LAB	lab(42.48, 53.93, 36.57)
CIE-LCH	lch(42.48, 65.16, 34.14°)
OKLab	oklab(52.49% 0.155 0.0809)
OKLCH	oklch(52.49% 0.175 27.5)
XYZ	xyz(21.7866, 12.8135, 3.6111)
Luminance	0.1281 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BA312B #2BB4BA

analogous

#BA2B6D #BA312B #BA782B

triadic

#BA312B #2BBA31 #312BBA

tetradic

#BA312B #6DBA2B #2BB4BA #782BBA

square

#BA312B #6DBA2B #2BB4BA #782BBA

split-complementary

#BA312B #2BBA78 #2B6DBA

monochromatic

#571714 #882420 #BA312B #D6524C #E1827E

Accessibility & contrast

On white

5.90

#BA312B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#BA312B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BA312B

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BA312B	#FFFFFF	#000000	##FFFFFF
##BA312B	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5129

Deuteranopia (green-blind)

#7C6F25

Tritanopia (blue-blind)

#CD0031

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ba312b;
/* rgb */ color: rgb(186, 49, 43);
/* oklch */ color: oklch(52.5% 0.175 27.5);

Tailwind

colors: {
  custom: {
    50: '#d87365',
    500: '#ba312b',
    950: '#000000',
  },
}

SCSS

$custom: #ba312b;
$custom-light: #d87365;
$custom-dark: #000000;

JSON

{
  "hex": "#ba312b",
  "rgb": {
    "r": 186,
    "g": 49,
    "b": 43
  },
  "hsl": {
    "h": 2.517,
    "s": 62.445,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5249,
    "c": 0.17485,
    "h": 27.5
  },
  "luminance": 0.1281
}

Semantic roles & 50–950 ramp

primary

#BA312B

secondary

#77C6CA

accent

#DFE642

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #BA312B

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

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