#AA231F#AA231F

#AA231F is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.2% C 0.172 H 27.7°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#AA231F
RGB	rgb(170, 35, 31)
HSL	hsl(2, 69%, 39%)
HSV	hsv(2, 82%, 67%)
CMYK	cmyk(0%, 79.4%, 81.8%, 33.3%)
CIE-LAB	lab(37.57, 53.15, 37.24)
CIE-LCH	lch(37.57, 64.90, 35.02°)
OKLab	oklab(48.23% 0.152 0.0799)
OKLCH	oklch(48.23% 0.172 27.7)
XYZ	xyz(17.4281, 9.8499, 2.2796)
Luminance	0.0985 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA231F #1FA6AA

analogous

#AA1F60 #AA231F #AA691F

triadic

#AA231F #1FAA23 #231FAA

tetradic

#AA231F #60AA1F #1FA6AA #691FAA

square

#AA231F #60AA1F #1FA6AA #691FAA

split-complementary

#AA231F #1FAA69 #1F60AA

monochromatic

#420E0C #761816 #AA231F #D9322D #E26561

Accessibility & contrast

On white

7.07

#AA231F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#AA231F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA231F

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA231F	#FFFFFF	#000000	##FFFFFF
##AA231F	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E461D

Deuteranopia (green-blind)

#6F6318

Tritanopia (blue-blind)

#BC0024

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #aa231f;
/* rgb */ color: rgb(170, 35, 31);
/* oklch */ color: oklch(48.2% 0.172 27.7);

Tailwind

colors: {
  custom: {
    50: '#cd6b5c',
    500: '#aa231f',
    950: '#000000',
  },
}

SCSS

$custom: #aa231f;
$custom-light: #cd6b5c;
$custom-dark: #000000;

JSON

{
  "hex": "#aa231f",
  "rgb": {
    "r": 170,
    "g": 35,
    "b": 31
  },
  "hsl": {
    "h": 1.727,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.48233,
    "c": 0.17167,
    "h": 27.7
  },
  "luminance": 0.09847
}

Semantic roles & 50–950 ramp

primary

#AA231F

secondary

#5EC4C7

accent

#E7EC3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #AA231F

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

Preview Lab → · Contrast checker → · Palette generator →