#AC3827#AC3827

#AC3827 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.7% C 0.155 H 31.2°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#AC3827
RGB	rgb(172, 56, 39)
HSL	hsl(8, 63%, 41%)
HSV	hsv(8, 77%, 67%)
CMYK	cmyk(0%, 67.4%, 77.3%, 32.5%)
CIE-LAB	lab(40.81, 46.42, 36.25)
CIE-LCH	lch(40.81, 58.90, 37.99°)
OKLab	oklab(50.75% 0.1323 0.0801)
OKLCH	oklch(50.75% 0.155 31.2)
XYZ	xyz(18.7957, 11.7483, 3.1970)
Luminance	0.1174 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3827 #279BAC

analogous

#AC2759 #AC3827 #AC7B27

triadic

#AC3827 #27AC38 #3827AC

tetradic

#AC3827 #59AC27 #279BAC #7B27AC

square

#AC3827 #59AC27 #279BAC #7B27AC

split-complementary

#AC3827 #27AC7B #2759AC

monochromatic

#481810 #7A281C #AC3827 #D3503D #DE7D6F

Accessibility & contrast

On white

6.27

#AC3827 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#AC3827 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3827

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3827	#FFFFFF	#000000	##FFFFFF
##AC3827	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595024

Deuteranopia (green-blind)

#766A23

Tritanopia (blue-blind)

#BD1535

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ac3827;
/* rgb */ color: rgb(172, 56, 39);
/* oklch */ color: oklch(50.7% 0.155 31.2);

Tailwind

colors: {
  custom: {
    50: '#cd7562',
    500: '#ac3827',
    950: '#000000',
  },
}

SCSS

$custom: #ac3827;
$custom-light: #cd7562;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3827",
  "rgb": {
    "r": 172,
    "g": 56,
    "b": 39
  },
  "hsl": {
    "h": 7.669,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.5075,
    "c": 0.15463,
    "h": 31.2
  },
  "luminance": 0.11745
}

Semantic roles & 50–950 ramp

primary

#AC3827

secondary

#6AB9C5

accent

#D1E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3827

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

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