#40310F#40310F

#40310F is a dark, muted orange. Relative luminance 0.033; OKLCH L 32.2% C 0.054 H 84.8°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#40310F
RGB	rgb(64, 49, 15)
HSL	hsl(42, 62%, 15%)
HSV	hsv(42, 77%, 25%)
CMYK	cmyk(0%, 23.4%, 76.6%, 74.9%)
CIE-LAB	lab(21.29, 2.38, 23.55)
CIE-LCH	lch(21.29, 23.67, 84.23°)
OKLab	oklab(32.23% 0.0048 0.0534)
OKLCH	oklch(32.23% 0.054 84.8)
XYZ	xyz(3.2991, 3.3213, 0.9192)
Luminance	0.0332 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40310F #0F1E40

analogous

#40190F #40310F #36400F

triadic

#40310F #0F4031 #310F40

tetradic

#40310F #0F4019 #0F1E40 #400F36

square

#40310F #0F4019 #0F1E40 #400F36

split-complementary

#40310F #0F3640 #190F40

monochromatic

#191306 #191306 #40310F #72571B #A37D26

Accessibility & contrast

On white

12.62

#40310F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#40310F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40310F

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40310F	#FFFFFF	#000000	##FFFFFF
##40310F	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38310B

Deuteranopia (green-blind)

#3B3510

Tritanopia (blue-blind)

#462C2A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #40310f;
/* rgb */ color: rgb(64, 49, 15);
/* oklch */ color: oklch(32.2% 0.054 84.8);

Tailwind

colors: {
  custom: {
    50: '#77684f',
    500: '#40310f',
    950: '#000000',
  },
}

SCSS

$custom: #40310f;
$custom-light: #77684f;
$custom-dark: #000000;

JSON

{
  "hex": "#40310f",
  "rgb": {
    "r": 64,
    "g": 49,
    "b": 15
  },
  "hsl": {
    "h": 41.633,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.32233,
    "c": 0.05359,
    "h": 84.8
  },
  "luminance": 0.03321
}

Semantic roles & 50–950 ramp

primary

#40310F

secondary

#30477A

accent

#74E543

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090602

muted

#7B7A78

Preview Lab

Preview with #40310F

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

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