#AC3123#AC3123

#AC3123 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.9% C 0.162 H 30.2°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#AC3123
RGB	rgb(172, 49, 35)
HSL	hsl(6, 66%, 41%)
HSV	hsv(6, 80%, 67%)
CMYK	cmyk(0%, 71.5%, 79.7%, 32.5%)
CIE-LAB	lab(39.73, 49.10, 37.34)
CIE-LCH	lch(39.73, 61.68, 37.25°)
OKLab	oklab(49.93% 0.1399 0.0813)
OKLCH	oklch(49.93% 0.162 30.2)
XYZ	xyz(18.4171, 11.0914, 2.7609)
Luminance	0.1109 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3123 #239EAC

analogous

#AC235A #AC3123 #AC7523

triadic

#AC3123 #23AC31 #3123AC

tetradic

#AC3123 #5AAC23 #239EAC #7523AC

square

#AC3123 #5AAC23 #239EAC #7523AC

split-complementary

#AC3123 #23AC75 #235AAC

monochromatic

#46140E #792319 #AC3123 #D64636 #E07569

Accessibility & contrast

On white

6.53

#AC3123 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#AC3123 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3123

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3123	#FFFFFF	#000000	##FFFFFF
##AC3123	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C20

Deuteranopia (green-blind)

#74671E

Tritanopia (blue-blind)

#BE002F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac3123;
/* rgb */ color: rgb(172, 49, 35);
/* oklch */ color: oklch(49.9% 0.162 30.2);

Tailwind

colors: {
  custom: {
    50: '#cd715f',
    500: '#ac3123',
    950: '#000000',
  },
}

SCSS

$custom: #ac3123;
$custom-light: #cd715f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3123",
  "rgb": {
    "r": 172,
    "g": 49,
    "b": 35
  },
  "hsl": {
    "h": 6.131,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49928,
    "c": 0.16175,
    "h": 30.2
  },
  "luminance": 0.11089
}

Semantic roles & 50–950 ramp

primary

#AC3123

secondary

#64BCC6

accent

#D8E93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC3123

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

Preview Lab → · Contrast checker → · Palette generator →