#66400F#66400F

#66400F is a dark, moderate orange. Relative luminance 0.065; OKLCH L 40.7% C 0.081 H 67.7°. Best body text is #FFFFFF at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#66400F
RGB	rgb(102, 64, 15)
HSL	hsl(34, 74%, 23%)
HSV	hsv(34, 85%, 40%)
CMYK	cmyk(0%, 37.3%, 85.3%, 60%)
CIE-LAB	lab(30.70, 12.19, 34.56)
CIE-LCH	lch(30.70, 36.64, 70.58°)
OKLab	oklab(40.71% 0.0306 0.0747)
OKLCH	oklch(40.71% 0.081 67.7)
XYZ	xyz(7.3997, 6.5268, 1.3219)
Luminance	0.0653 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66400F #0F3566

analogous

#66140F #66400F #60660F

triadic

#66400F #0F6640 #400F66

tetradic

#66400F #0F6614 #0F3566 #660F60

square

#66400F #0F6614 #0F3566 #660F60

split-complementary

#66400F #0F6066 #140F66

monochromatic

#1B1104 #311F07 #66400F #9B6117 #D1831F

Accessibility & contrast

On white

9.11

#66400F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#66400F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #66400F

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66400F	#FFFFFF	#000000	##FFFFFF
##66400F	1.00	9.11	2.31	9.11
#FFFFFF	9.11	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4307

Deuteranopia (green-blind)

#554C10

Tritanopia (blue-blind)

#703736

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #66400f;
/* rgb */ color: rgb(102, 64, 15);
/* oklch */ color: oklch(40.7% 0.081 67.7);

Tailwind

colors: {
  custom: {
    50: '#967452',
    500: '#66400f',
    950: '#000000',
  },
}

SCSS

$custom: #66400f;
$custom-light: #967452;
$custom-dark: #000000;

JSON

{
  "hex": "#66400f",
  "rgb": {
    "r": 102,
    "g": 64,
    "b": 15
  },
  "hsl": {
    "h": 33.793,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.4071,
    "c": 0.08073,
    "h": 67.7
  },
  "luminance": 0.06526
}

Semantic roles & 50–950 ramp

primary

#66400F

secondary

#32629F

accent

#88F137

background

#F9F7F4

surface

#F2EDE7

border

#CCC8C3

text

#0E0802

muted

#7E7B78

Preview Lab

Preview with #66400F

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

Preview Lab → · Contrast checker → · Palette generator →