#663D23#663D23

#663D23 is a dark, moderate orange. Relative luminance 0.063; OKLCH L 40.3% C 0.070 H 52.0°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#663D23
RGB	rgb(102, 61, 35)
HSL	hsl(23, 49%, 27%)
HSV	hsv(23, 66%, 40%)
CMYK	cmyk(0%, 40.2%, 65.7%, 60%)
CIE-LAB	lab(30.12, 15.21, 23.36)
CIE-LCH	lch(30.12, 27.88, 56.92°)
OKLab	oklab(40.32% 0.0429 0.0549)
OKLCH	oklch(40.32% 0.07 52)
XYZ	xyz(7.4521, 6.2843, 2.4103)
Luminance	0.0628 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#663D23 #234C66

analogous

#66232A #663D23 #665F23

triadic

#663D23 #23663D #3D2366

tetradic

#663D23 #2A6623 #234C66 #5F2366

square

#663D23 #2A6623 #234C66 #5F2366

split-complementary

#663D23 #23665F #232A66

monochromatic

#170E08 #382213 #663D23 #945833 #BF7444

Accessibility & contrast

On white

9.31

#663D23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#663D23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #663D23

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##663D23	#FFFFFF	#000000	##FFFFFF
##663D23	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494121

Deuteranopia (green-blind)

#524A23

Tritanopia (blue-blind)

#6F3537

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #663d23;
/* rgb */ color: rgb(102, 61, 35);
/* oklch */ color: oklch(40.3% 0.070 52.0);

Tailwind

colors: {
  custom: {
    50: '#95725e',
    500: '#663d23',
    950: '#000000',
  },
}

SCSS

$custom: #663d23;
$custom-light: #95725e;
$custom-dark: #000000;

JSON

{
  "hex": "#663d23",
  "rgb": {
    "r": 102,
    "g": 61,
    "b": 35
  },
  "hsl": {
    "h": 23.284,
    "s": 48.905,
    "l": 26.863
  },
  "oklch": {
    "l": 0.40323,
    "c": 0.06963,
    "h": 52
  },
  "luminance": 0.06284
}

Semantic roles & 50–950 ramp

primary

#663D23

secondary

#4B7B9A

accent

#A3D84F

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0E0804

muted

#7E7B79

Preview Lab

Preview with #663D23

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

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