#645316#645316

#645316 is a dark, moderate yellow. Relative luminance 0.090; OKLCH L 44.7% C 0.081 H 92.9°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#645316
RGB	rgb(100, 83, 22)
HSL	hsl(47, 64%, 24%)
HSV	hsv(47, 78%, 39%)
CMYK	cmyk(0%, 17%, 78%, 60.8%)
CIE-LAB	lab(35.90, -0.15, 36.36)
CIE-LCH	lch(35.90, 36.36, 90.23°)
OKLab	oklab(44.74% -0.004 0.0804)
OKLCH	oklch(44.74% 0.081 92.9)
XYZ	xyz(8.4941, 8.9543, 2.0399)
Luminance	0.0895 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645316 #162764

analogous

#642C16 #645316 #4E6416

triadic

#645316 #166453 #531664

tetradic

#645316 #16642C #162764 #64164E

square

#645316 #16642C #162764 #64164E

split-complementary

#645316 #164E64 #2C1664

monochromatic

#191506 #32290B #645316 #967D21 #C8A62C

Accessibility & contrast

On white

7.52

#645316 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#645316 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #645316

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645316	#FFFFFF	#000000	##FFFFFF
##645316	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D520C

Deuteranopia (green-blind)

#615719

Tritanopia (blue-blind)

#6D4C47

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #645316;
/* rgb */ color: rgb(100, 83, 22);
/* oklch */ color: oklch(44.7% 0.081 92.9);

Tailwind

colors: {
  custom: {
    50: '#938358',
    500: '#645316',
    950: '#000000',
  },
}

SCSS

$custom: #645316;
$custom-light: #938358;
$custom-dark: #000000;

JSON

{
  "hex": "#645316",
  "rgb": {
    "r": 100,
    "g": 83,
    "b": 22
  },
  "hsl": {
    "h": 46.923,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.44738,
    "c": 0.0805,
    "h": 92.9
  },
  "luminance": 0.08954
}

Semantic roles & 50–950 ramp

primary

#645316

secondary

#3B509B

accent

#65E741

background

#F9F7F5

surface

#F2EEE9

border

#CCC9C5

text

#0D0A03

muted

#7E7C78

Preview Lab

Preview with #645316

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

Preview Lab → · Contrast checker → · Palette generator →