#613B1B#613B1B

#613B1B is a dark, moderate orange. Relative luminance 0.057; OKLCH L 39.1% C 0.070 H 58.6°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#613B1B
RGB	rgb(97, 59, 27)
HSL	hsl(27, 56%, 24%)
HSV	hsv(27, 72%, 38%)
CMYK	cmyk(0%, 39.2%, 72.2%, 62%)
CIE-LAB	lab(28.77, 13.49, 26.30)
CIE-LCH	lch(28.77, 29.56, 62.85°)
OKLab	oklab(39.09% 0.0368 0.0602)
OKLCH	oklch(39.09% 0.071 58.6)
XYZ	xyz(6.6921, 5.7491, 1.7939)
Luminance	0.0575 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#613B1B #1B4161

analogous

#611B1E #613B1B #615E1B

triadic

#613B1B #1B613B #3B1B61

tetradic

#613B1B #1E611B #1B4161 #5E1B61

square

#613B1B #1E611B #1B4161 #5E1B61

split-complementary

#613B1B #1B615E #1B1E61

monochromatic

#180F07 #311E0E #613B1B #915828 #C17536

Accessibility & contrast

On white

9.77

#613B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#613B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #613B1B

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##613B1B	#FFFFFF	#000000	##FFFFFF
##613B1B	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F18

Deuteranopia (green-blind)

#4F471B

Tritanopia (blue-blind)

#6A3334

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #613b1b;
/* rgb */ color: rgb(97, 59, 27);
/* oklch */ color: oklch(39.1% 0.070 58.6);

Tailwind

colors: {
  custom: {
    50: '#917159',
    500: '#613b1b',
    950: '#000000',
  },
}

SCSS

$custom: #613b1b;
$custom-light: #917159;
$custom-dark: #000000;

JSON

{
  "hex": "#613b1b",
  "rgb": {
    "r": 97,
    "g": 59,
    "b": 27
  },
  "hsl": {
    "h": 27.429,
    "s": 56.452,
    "l": 24.314
  },
  "oklch": {
    "l": 0.39094,
    "c": 0.0705,
    "h": 58.6
  },
  "luminance": 0.05748
}

Semantic roles & 50–950 ramp

primary

#613B1B

secondary

#417097

accent

#9AE048

background

#F9F6F5

surface

#F2ECE9

border

#CCC7C5

text

#0D0703

muted

#7E7A78

Preview Lab

Preview with #613B1B

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

Preview Lab → · Contrast checker → · Palette generator →