#511F27#511F27

#511F27 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.6% C 0.075 H 12.6°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#511F27
RGB	rgb(81, 31, 39)
HSL	hsl(350, 45%, 22%)
HSV	hsv(350, 62%, 32%)
CMYK	cmyk(0%, 61.7%, 51.9%, 68.2%)
CIE-LAB	lab(19.54, 24.27, 6.39)
CIE-LCH	lch(19.54, 25.10, 14.76°)
OKLab	oklab(31.58% 0.0734 0.0164)
OKLCH	oklch(31.58% 0.075 12.6)
XYZ	xyz(4.2498, 2.8763, 2.2504)
Luminance	0.0288 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511F27 #1F5149

analogous

#511F40 #511F27 #51301F

triadic

#511F27 #27511F #1F2751

tetradic

#511F27 #40511F #1F5149 #301F51

square

#511F27 #40511F #1F5149 #301F51

split-complementary

#511F27 #1F5130 #1F4051

monochromatic

#16080B #250E12 #511F27 #7D303C #AA4152

Accessibility & contrast

On white

13.33

#511F27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#511F27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511F27

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511F27	#FFFFFF	#000000	##FFFFFF
##511F27	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A2927

Deuteranopia (green-blind)

#363326

Tritanopia (blue-blind)

#581822

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #511f27;
/* rgb */ color: rgb(81, 31, 39);
/* oklch */ color: oklch(31.6% 0.075 12.6);

Tailwind

colors: {
  custom: {
    50: '#855d60',
    500: '#511f27',
    950: '#000000',
  },
}

SCSS

$custom: #511f27;
$custom-light: #855d60;
$custom-dark: #000000;

JSON

{
  "hex": "#511f27",
  "rgb": {
    "r": 81,
    "g": 31,
    "b": 39
  },
  "hsl": {
    "h": 350.4,
    "s": 44.643,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31582,
    "c": 0.07523,
    "h": 12.6
  },
  "luminance": 0.02876
}

Semantic roles & 50–950 ramp

primary

#511F27

secondary

#46867C

accent

#D4C053

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0B0405

muted

#7C7979

Preview Lab

Preview with #511F27

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

Preview Lab → · Contrast checker → · Palette generator →