#AA3633#AA3633

#AA3633 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.3% C 0.152 H 25.7°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#AA3633
RGB	rgb(170, 54, 51)
HSL	hsl(2, 54%, 43%)
HSV	hsv(2, 70%, 67%)
CMYK	cmyk(0%, 68.2%, 70%, 33.3%)
CIE-LAB	lab(40.29, 47.12, 28.61)
CIE-LCH	lch(40.29, 55.13, 31.27°)
OKLab	oklab(50.34% 0.1372 0.0662)
OKLCH	oklch(50.34% 0.152 25.7)
XYZ	xyz(18.4962, 11.4261, 4.3628)
Luminance	0.1142 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3633 #33A7AA

analogous

#AA336B #AA3633 #AA7133

triadic

#AA3633 #33AA36 #3633AA

tetradic

#AA3633 #6BAA33 #33A7AA #7133AA

square

#AA3633 #6BAA33 #33A7AA #7133AA

split-complementary

#AA3633 #33AA71 #336BAA

monochromatic

#4C1817 #7B2725 #AA3633 #CA5350 #D9817F

Accessibility & contrast

On white

6.39

#AA3633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#AA3633 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3633

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3633	#FFFFFF	#000000	##FFFFFF
##AA3633	1.00	6.39	3.28	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F32

Deuteranopia (green-blind)

#73682F

Tritanopia (blue-blind)

#BB1536

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #aa3633;
/* rgb */ color: rgb(170, 54, 51);
/* oklch */ color: oklch(50.3% 0.152 25.7);

Tailwind

colors: {
  custom: {
    50: '#cb746b',
    500: '#aa3633',
    950: '#000000',
  },
}

SCSS

$custom: #aa3633;
$custom-light: #cb746b;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3633",
  "rgb": {
    "r": 170,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 1.513,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50337,
    "c": 0.15235,
    "h": 25.7
  },
  "luminance": 0.11423
}

Semantic roles & 50–950 ramp

primary

#AA3633

secondary

#77C0C2

accent

#DADD4B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AA3633

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

Preview Lab → · Contrast checker → · Palette generator →