#AA3828#AA3828

#AA3828 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.4% C 0.152 H 30.9°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#AA3828
RGB	rgb(170, 56, 40)
HSL	hsl(7, 62%, 41%)
HSV	hsv(7, 76%, 67%)
CMYK	cmyk(0%, 67.1%, 76.5%, 33.3%)
CIE-LAB	lab(40.46, 45.76, 35.21)
CIE-LCH	lch(40.46, 57.74, 37.58°)
OKLab	oklab(50.42% 0.1307 0.0782)
OKLCH	oklch(50.42% 0.152 30.9)
XYZ	xyz(18.3768, 11.5303, 3.2650)
Luminance	0.1153 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3828 #289AAA

analogous

#AA2859 #AA3828 #AA7928

triadic

#AA3828 #28AA38 #3828AA

tetradic

#AA3828 #59AA28 #289AAA #7928AA

square

#AA3828 #59AA28 #289AAA #7928AA

split-complementary

#AA3828 #28AA79 #2859AA

monochromatic

#471711 #78281C #AA3828 #D2503E #DD7D6F

Accessibility & contrast

On white

6.35

#AA3828 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#AA3828 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3828

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3828	#FFFFFF	#000000	##FFFFFF
##AA3828	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585025

Deuteranopia (green-blind)

#756924

Tritanopia (blue-blind)

#BB1735

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #aa3828;
/* rgb */ color: rgb(170, 56, 40);
/* oklch */ color: oklch(50.4% 0.152 30.9);

Tailwind

colors: {
  custom: {
    50: '#cb7563',
    500: '#aa3828',
    950: '#000000',
  },
}

SCSS

$custom: #aa3828;
$custom-light: #cb7563;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3828",
  "rgb": {
    "r": 170,
    "g": 56,
    "b": 40
  },
  "hsl": {
    "h": 7.385,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.5042,
    "c": 0.15228,
    "h": 30.9
  },
  "luminance": 0.11528
}

Semantic roles & 50–950 ramp

primary

#AA3828

secondary

#6AB9C4

accent

#D1E543

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AA3828

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

Preview Lab → · Contrast checker → · Palette generator →