#AA1F1F#AA1F1F

#AA1F1F is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.174 H 26.9°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#AA1F1F
RGB	rgb(170, 31, 31)
HSL	hsl(0, 69%, 39%)
HSV	hsv(0, 82%, 67%)
CMYK	cmyk(0%, 81.8%, 81.8%, 33.3%)
CIE-LAB	lab(37.17, 54.29, 36.84)
CIE-LCH	lch(37.17, 65.61, 34.16°)
OKLab	oklab(47.93% 0.1556 0.079)
OKLCH	oklch(47.93% 0.174 26.9)
XYZ	xyz(17.3170, 9.6278, 2.2426)
Luminance	0.0963 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA1F1F #1FAAAA

analogous

#AA1F65 #AA1F1F #AA651F

triadic

#AA1F1F #1FAA1F #1F1FAA

tetradic

#AA1F1F #65AA1F #1FAAAA #651FAA

square

#AA1F1F #65AA1F #1FAAAA #651FAA

split-complementary

#AA1F1F #1FAA65 #1F65AA

monochromatic

#420C0C #761616 #AA1F1F #D92D2D #E26161

Accessibility & contrast

On white

7.18

#AA1F1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#AA1F1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA1F1F

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA1F1F	#FFFFFF	#000000	##FFFFFF
##AA1F1F	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C441D

Deuteranopia (green-blind)

#6E6218

Tritanopia (blue-blind)

#BC0021

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #aa1f1f;
/* rgb */ color: rgb(170, 31, 31);
/* oklch */ color: oklch(47.9% 0.174 26.9);

Tailwind

colors: {
  custom: {
    50: '#cd695c',
    500: '#aa1f1f',
    950: '#000000',
  },
}

SCSS

$custom: #aa1f1f;
$custom-light: #cd695c;
$custom-dark: #000000;

JSON

{
  "hex": "#aa1f1f",
  "rgb": {
    "r": 170,
    "g": 31,
    "b": 31
  },
  "hsl": {
    "h": 0,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47932,
    "c": 0.17446,
    "h": 26.9
  },
  "luminance": 0.09625
}

Semantic roles & 50–950 ramp

primary

#AA1F1F

secondary

#5EC7C7

accent

#ECEC3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #AA1F1F

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

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