#901B30#901B30

#901B30 is a dark, vivid red. Relative luminance 0.069; OKLCH L 43.0% C 0.151 H 17.2°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#901B30
RGB	rgb(144, 27, 48)
HSL	hsl(349, 68%, 34%)
HSV	hsv(349, 81%, 56%)
CMYK	cmyk(0%, 81.3%, 66.7%, 43.5%)
CIE-LAB	lab(31.64, 48.42, 18.68)
CIE-LCH	lch(31.64, 51.90, 21.10°)
OKLab	oklab(42.97% 0.1442 0.0446)
OKLCH	oklch(42.97% 0.151 17.2)
XYZ	xyz(12.4284, 6.9285, 3.4786)
Luminance	0.0693 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901B30 #1B907B

analogous

#901B6A #901B30 #90401B

triadic

#901B30 #30901B #1B3090

tetradic

#901B30 #6A901B #1B907B #401B90

square

#901B30 #6A901B #1B907B #401B90

split-complementary

#901B30 #1B9040 #1B6A90

monochromatic

#29080E #5C111F #901B30 #C42541 #DD4963

Accessibility & contrast

On white

8.80

#901B30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#901B30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B30

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901B30	#FFFFFF	#000000	##FFFFFF
##901B30	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3B30

Deuteranopia (green-blind)

#5B532D

Tritanopia (blue-blind)

#9E0024

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901b30;
/* rgb */ color: rgb(144, 27, 48);
/* oklch */ color: oklch(43.0% 0.151 17.2);

Tailwind

colors: {
  custom: {
    50: '#b86468',
    500: '#901b30',
    950: '#000000',
  },
}

SCSS

$custom: #901b30;
$custom-light: #b86468;
$custom-dark: #000000;

JSON

{
  "hex": "#901b30",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 48
  },
  "hsl": {
    "h": 349.231,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42968,
    "c": 0.15096,
    "h": 17.2
  },
  "luminance": 0.06927
}

Semantic roles & 50–950 ramp

primary

#901B30

secondary

#48BFA9

accent

#EBCC3D

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901B30

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

Preview Lab → · Contrast checker → · Palette generator →