#40470B#40470B

#40470B is a dark, moderate yellow. Relative luminance 0.056; OKLCH L 37.9% C 0.080 H 116.3°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#40470B
RGB	rgb(64, 71, 11)
HSL	hsl(67, 73%, 16%)
HSV	hsv(67, 85%, 28%)
CMYK	cmyk(9.9%, 0%, 84.5%, 72.2%)
CIE-LAB	lab(28.43, -11.62, 32.50)
CIE-LCH	lch(28.43, 34.51, 109.67°)
OKLab	oklab(37.91% -0.0352 0.0714)
OKLCH	oklch(37.91% 0.08 116.3)
XYZ	xyz(4.4281, 5.6207, 1.1682)
Luminance	0.0562 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40470B #120B47

analogous

#47300B #40470B #22470B

triadic

#40470B #0B4047 #470B40

tetradic

#40470B #0B4730 #120B47 #470B22

square

#40470B #0B4730 #120B47 #470B22

split-complementary

#40470B #0B2247 #300B47

monochromatic

#181A04 #181A04 #40470B #707C13 #A0B11B

Accessibility & contrast

On white

9.89

#40470B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#40470B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40470B

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40470B	#FFFFFF	#000000	##FFFFFF
##40470B	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4301

Deuteranopia (green-blind)

#4C4310

Tritanopia (blue-blind)

#45423C

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #40470b;
/* rgb */ color: rgb(64, 71, 11);
/* oklch */ color: oklch(37.9% 0.080 116.3);

Tailwind

colors: {
  custom: {
    50: '#777a50',
    500: '#40470b',
    950: '#000000',
  },
}

SCSS

$custom: #40470b;
$custom-light: #777a50;
$custom-dark: #000000;

JSON

{
  "hex": "#40470b",
  "rgb": {
    "r": 64,
    "g": 71,
    "b": 11
  },
  "hsl": {
    "h": 67,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.37908,
    "c": 0.07965,
    "h": 116.3
  },
  "luminance": 0.05621
}

Semantic roles & 50–950 ramp

primary

#40470B

secondary

#352A83

accent

#38F04D

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #40470B

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

Preview Lab → · Contrast checker → · Palette generator →