#645A46#645A46

#645A46 is a mid, muted orange. Relative luminance 0.105; OKLCH L 47.1% C 0.033 H 84.5°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX#645A46
RGBrgb(100, 90, 70)
HSLhsl(40, 18%, 33%)
HSVhsv(40, 30%, 39%)
CMYKcmyk(0%, 10%, 30%, 60.8%)
CIE-LABlab(38.66, 0.56, 13.05)
CIE-LCHlch(38.66, 13.06, 87.53°)
OKLaboklab(47.15% 0.0032 0.0331)
OKLCHoklch(47.15% 0.033 84.5)
XYZxyz(10.0173, 10.4641, 7.2853)
Luminance0.1046 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#645A46 #465064
analogous
#644B46 #645A46 #5F6446
triadic
#645A46 #46645A #5A4664
tetradic
#645A46 #46644B #465064 #64465F
square
#645A46 #46644B #465064 #64465F
split-complementary
#645A46 #465F64 #4B4664
monochromatic
#1C1914 #403A2D #645A46 #887A5F #A5997F

Accessibility & contrast

On white

6.79
#645A46 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.09
#645A46 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645A46
6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##645A46#FFFFFF#000000##FFFFFF
##645A461.006.793.096.79
#FFFFFF6.791.0021.001.00
#0000003.0921.001.0021.00
##FFFFFF6.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5945
Deuteranopia (green-blind)
#625C47
Tritanopia (blue-blind)
#695755
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #645a46;
/* rgb */ color: rgb(100, 90, 70);
/* oklch */ color: oklch(47.1% 0.033 84.5);
Tailwind
colors: {
  custom: {
    50: '#908879',
    500: '#645a46',
    950: '#000000',
  },
}
SCSS
$custom: #645a46;
$custom-light: #908879;
$custom-dark: #000000;
JSON
{
  "hex": "#645a46",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 70
  },
  "hsl": {
    "h": 40,
    "s": 17.647,
    "l": 33.333
  },
  "oklch": {
    "l": 0.47148,
    "c": 0.03327,
    "h": 84.5
  },
  "luminance": 0.10464
}

Semantic roles & 50–950 ramp

primary
#645A46
secondary
#747E92
accent
#87BA6D
background
#F8F8F7
surface
#F0EFED
border
#CBCAC8
text
#0C0B09
muted
#7D7C7B

Preview Lab

Preview with #645A46

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

Preview Lab → · Contrast checker → · Palette generator →

#645A46 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva