#7B1523#7B1523

#7B1523 is a dark, vivid red. Relative luminance 0.049; OKLCH L 38.2% C 0.135 H 19.8°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#7B1523
RGB	rgb(123, 21, 35)
HSL	hsl(352, 71%, 28%)
HSV	hsv(352, 83%, 48%)
CMYK	cmyk(0%, 82.9%, 71.5%, 51.8%)
CIE-LAB	lab(26.36, 43.10, 19.66)
CIE-LCH	lch(26.36, 47.37, 24.52°)
OKLab	oklab(38.2% 0.1272 0.0459)
OKLCH	oklch(38.2% 0.135 19.8)
XYZ	xyz(8.7409, 4.8700, 2.0695)
Luminance	0.0487 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#7B1523 #157B6D

analogous

#7B1556 #7B1523 #7B3A15

triadic

#7B1523 #237B15 #15237B

tetradic

#7B1523 #567B15 #157B6D #3A157B

square

#7B1523 #567B15 #157B6D #3A157B

split-complementary

#7B1523 #157B3A #15567B

monochromatic

#1A0407 #470C14 #7B1523 #AF1E32 #DB2F47

Accessibility & contrast

On white

10.64

#7B1523 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#7B1523 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #7B1523

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##7B1523	#FFFFFF	#000000	##FFFFFF
##7B1523	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343123

Deuteranopia (green-blind)

#4E4620

Tritanopia (blue-blind)

#88001B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #7b1523;
/* rgb */ color: rgb(123, 21, 35);
/* oklch */ color: oklch(38.2% 0.135 19.8);

Tailwind

colors: {
  custom: {
    50: '#a85e5d',
    500: '#7b1523',
    950: '#000000',
  },
}

SCSS

$custom: #7b1523;
$custom-light: #a85e5d;
$custom-dark: #000000;

JSON

{
  "hex": "#7b1523",
  "rgb": {
    "r": 123,
    "g": 21,
    "b": 35
  },
  "hsl": {
    "h": 351.765,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.38199,
    "c": 0.13524,
    "h": 19.8
  },
  "luminance": 0.04869
}

Semantic roles & 50–950 ramp

primary

#7B1523

secondary

#3BB0A0

accent

#EED53A

background

#FBF5F5

surface

#F6EAE9

border

#D0C6C5

text

#110504

muted

#807979

Preview Lab

Preview with #7B1523

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

Preview Lab → · Contrast checker → · Palette generator →