#7B1728#7B1728

#7B1728 is a dark, vivid red. Relative luminance 0.050; OKLCH L 38.5% C 0.133 H 17.4°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#7B1728
RGB	rgb(123, 23, 40)
HSL	hsl(350, 68%, 29%)
HSV	hsv(350, 81%, 48%)
CMYK	cmyk(0%, 81.3%, 67.5%, 51.8%)
CIE-LAB	lab(26.67, 42.76, 16.72)
CIE-LCH	lch(26.67, 45.91, 21.35°)
OKLab	oklab(38.46% 0.1273 0.0399)
OKLCH	oklch(38.46% 0.133 17.4)
XYZ	xyz(8.8587, 4.9783, 2.5015)
Luminance	0.0498 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7B1728 #177B6A

analogous

#7B175A #7B1728 #7B3817

triadic

#7B1728 #287B17 #17287B

tetradic

#7B1728 #5A7B17 #177B6A #38177B

square

#7B1728 #5A7B17 #177B6A #38177B

split-complementary

#7B1728 #177B38 #175A7B

monochromatic

#1A0508 #470D17 #7B1728 #AF2139 #D93350

Accessibility & contrast

On white

10.52

#7B1728 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#7B1728 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7B1728

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7B1728	#FFFFFF	#000000	##FFFFFF
##7B1728	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343228

Deuteranopia (green-blind)

#4E4725

Tritanopia (blue-blind)

#87001E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #7b1728;
/* rgb */ color: rgb(123, 23, 40);
/* oklch */ color: oklch(38.5% 0.133 17.4);

Tailwind

colors: {
  custom: {
    50: '#a85f61',
    500: '#7b1728',
    950: '#000000',
  },
}

SCSS

$custom: #7b1728;
$custom-light: #a85f61;
$custom-dark: #000000;

JSON

{
  "hex": "#7b1728",
  "rgb": {
    "r": 123,
    "g": 23,
    "b": 40
  },
  "hsl": {
    "h": 349.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.3846,
    "c": 0.13343,
    "h": 17.4
  },
  "luminance": 0.04977
}

Semantic roles & 50–950 ramp

primary

#7B1728

secondary

#3EB09D

accent

#EBCE3C

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110505

muted

#807979

Preview Lab

Preview with #7B1728

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

Preview Lab → · Contrast checker → · Palette generator →