#751B21#751B21

#751B21 is a dark, vivid red. Relative luminance 0.047; OKLCH L 37.5% C 0.124 H 22.1°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#751B21
RGB	rgb(117, 27, 33)
HSL	hsl(356, 63%, 28%)
HSV	hsv(356, 77%, 46%)
CMYK	cmyk(0%, 76.9%, 71.8%, 54.1%)
CIE-LAB	lab(25.79, 39.01, 20.00)
CIE-LCH	lch(25.79, 43.84, 27.15°)
OKLab	oklab(37.54% 0.1146 0.0466)
OKLCH	oklch(37.54% 0.124 22.1)
XYZ	xyz(8.0034, 4.6768, 1.9198)
Luminance	0.0468 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#751B21 #1B756F

analogous

#751B4E #751B21 #75421B

triadic

#751B21 #21751B #1B2175

tetradic

#751B21 #4E751B #1B756F #421B75

square

#751B21 #4E751B #1B756F #421B75

split-complementary

#751B21 #1B7542 #1B4E75

monochromatic

#190607 #431013 #751B21 #A7262F #D13943

Accessibility & contrast

On white

10.85

#751B21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#751B21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #751B21

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##751B21	#FFFFFF	#000000	##FFFFFF
##751B21	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353120

Deuteranopia (green-blind)

#4B441E

Tritanopia (blue-blind)

#81001E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #751b21;
/* rgb */ color: rgb(117, 27, 33);
/* oklch */ color: oklch(37.5% 0.124 22.1);

Tailwind

colors: {
  custom: {
    50: '#a35f5c',
    500: '#751b21',
    950: '#000000',
  },
}

SCSS

$custom: #751b21;
$custom-light: #a35f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#751b21",
  "rgb": {
    "r": 117,
    "g": 27,
    "b": 33
  },
  "hsl": {
    "h": 356,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37541,
    "c": 0.12367,
    "h": 22.1
  },
  "luminance": 0.04676
}

Semantic roles & 50–950 ramp

primary

#751B21

secondary

#42A9A3

accent

#E6DB42

background

#FAF5F5

surface

#F4EAE9

border

#CEC6C5

text

#100504

muted

#7F7979

Preview Lab

Preview with #751B21

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

Preview Lab → · Contrast checker → · Palette generator →