#91303B#91303B

#91303B is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.5% C 0.130 H 17.4°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#91303B
RGB	rgb(145, 48, 59)
HSL	hsl(353, 50%, 38%)
HSV	hsv(353, 67%, 57%)
CMYK	cmyk(0%, 66.9%, 59.3%, 43.1%)
CIE-LAB	lab(34.91, 41.62, 15.88)
CIE-LCH	lch(34.91, 44.54, 20.89°)
OKLab	oklab(45.5% 0.1245 0.0391)
OKLCH	oklch(45.5% 0.13 17.4)
XYZ	xyz(13.5247, 8.4512, 5.0559)
Luminance	0.0845 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91303B #309186

analogous

#91306B #91303B #915530

triadic

#91303B #3B9130 #303B91

tetradic

#91303B #6B9130 #309186 #553091

square

#91303B #6B9130 #309186 #553091

split-complementary

#91303B #309155 #306B91

monochromatic

#351216 #632128 #91303B #BF3F4E #CF6D78

Accessibility & contrast

On white

7.81

#91303B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#91303B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #91303B

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91303B	#FFFFFF	#000000	##FFFFFF
##91303B	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48453B

Deuteranopia (green-blind)

#615A39

Tritanopia (blue-blind)

#9F1C35

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #91303b;
/* rgb */ color: rgb(145, 48, 59);
/* oklch */ color: oklch(45.5% 0.130 17.4);

Tailwind

colors: {
  custom: {
    50: '#b76e70',
    500: '#91303b',
    950: '#000000',
  },
}

SCSS

$custom: #91303b;
$custom-light: #b76e70;
$custom-dark: #000000;

JSON

{
  "hex": "#91303b",
  "rgb": {
    "r": 145,
    "g": 48,
    "b": 59
  },
  "hsl": {
    "h": 353.196,
    "s": 50.259,
    "l": 37.843
  },
  "oklch": {
    "l": 0.455,
    "c": 0.13046,
    "h": 17.4
  },
  "luminance": 0.08449
}

Semantic roles & 50–950 ramp

primary

#91303B

secondary

#67B6AD

accent

#DACA4E

background

#FBF6F6

surface

#F7ECEC

border

#D0C7C7

text

#120707

muted

#817A7A

Preview Lab

Preview with #91303B

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

Preview Lab → · Contrast checker → · Palette generator →