#7B1723#7B1723

#7B1723 is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.4% C 0.134 H 20.4°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#7B1723
RGB	rgb(123, 23, 35)
HSL	hsl(353, 68%, 29%)
HSV	hsv(353, 81%, 48%)
CMYK	cmyk(0%, 81.3%, 71.5%, 51.8%)
CIE-LAB	lab(26.58, 42.47, 19.93)
CIE-LCH	lch(26.58, 46.92, 25.14°)
OKLab	oklab(38.36% 0.1252 0.0465)
OKLCH	oklch(38.36% 0.134 20.4)
XYZ	xyz(8.7791, 4.9465, 2.0823)
Luminance	0.0495 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7B1723 #177B6F

analogous

#7B1755 #7B1723 #7B3D17

triadic

#7B1723 #237B17 #17237B

tetradic

#7B1723 #557B17 #177B6F #3D177B

square

#7B1723 #557B17 #177B6F #3D177B

split-complementary

#7B1723 #177B3D #17557B

monochromatic

#1A0507 #470D14 #7B1723 #AF2132 #D93347

Accessibility & contrast

On white

10.56

#7B1723 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#7B1723 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7B1723

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7B1723	#FFFFFF	#000000	##FFFFFF
##7B1723	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353123

Deuteranopia (green-blind)

#4E4620

Tritanopia (blue-blind)

#88001D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #7b1723;
/* rgb */ color: rgb(123, 23, 35);
/* oklch */ color: oklch(38.4% 0.134 20.4);

Tailwind

colors: {
  custom: {
    50: '#a85f5d',
    500: '#7b1723',
    950: '#000000',
  },
}

SCSS

$custom: #7b1723;
$custom-light: #a85f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#7b1723",
  "rgb": {
    "r": 123,
    "g": 23,
    "b": 35
  },
  "hsl": {
    "h": 352.8,
    "s": 68.493,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38363,
    "c": 0.13357,
    "h": 20.4
  },
  "luminance": 0.04945
}

Semantic roles & 50–950 ramp

primary

#7B1723

secondary

#3EB0A2

accent

#EBD63C

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110504

muted

#807979

Preview Lab

Preview with #7B1723

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

Preview Lab → · Contrast checker → · Palette generator →