#673F1B#673F1B

#673F1B is a dark, moderate orange. Relative luminance 0.065; OKLCH L 40.8% C 0.075 H 60.0°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#673F1B
RGB	rgb(103, 63, 27)
HSL	hsl(28, 58%, 25%)
HSV	hsv(28, 74%, 40%)
CMYK	cmyk(0%, 38.8%, 73.8%, 59.6%)
CIE-LAB	lab(30.68, 13.89, 28.65)
CIE-LCH	lch(30.68, 31.84, 64.13°)
OKLab	oklab(40.76% 0.0375 0.0649)
OKLCH	oklch(40.76% 0.075 60)
XYZ	xyz(7.5694, 6.5184, 1.8962)
Luminance	0.0652 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673F1B #1B4367

analogous

#671B1D #673F1B #67651B

triadic

#673F1B #1B673F #3F1B67

tetradic

#673F1B #1D671B #1B4367 #651B67

square

#673F1B #1D671B #1B4367 #651B67

split-complementary

#673F1B #1B6765 #1B1D67

monochromatic

#180F06 #37210E #673F1B #975D28 #C87A34

Accessibility & contrast

On white

9.12

#673F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#673F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673F1B

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673F1B	#FFFFFF	#000000	##FFFFFF
##673F1B	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4317

Deuteranopia (green-blind)

#554C1B

Tritanopia (blue-blind)

#713637

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #673f1b;
/* rgb */ color: rgb(103, 63, 27);
/* oklch */ color: oklch(40.8% 0.075 60.0);

Tailwind

colors: {
  custom: {
    50: '#967459',
    500: '#673f1b',
    950: '#000000',
  },
}

SCSS

$custom: #673f1b;
$custom-light: #967459;
$custom-dark: #000000;

JSON

{
  "hex": "#673f1b",
  "rgb": {
    "r": 103,
    "g": 63,
    "b": 27
  },
  "hsl": {
    "h": 28.421,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.40759,
    "c": 0.07496,
    "h": 60
  },
  "luminance": 0.06518
}

Semantic roles & 50–950 ramp

primary

#673F1B

secondary

#42719C

accent

#98E246

background

#F9F7F5

surface

#F2EDE9

border

#CCC8C5

text

#0E0803

muted

#7E7B78

Preview Lab

Preview with #673F1B

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

Preview Lab → · Contrast checker → · Palette generator →