#403F35#403F35

#403F35 is a dark, near-neutral yellow. Relative luminance 0.049; OKLCH L 36.5% C 0.017 H 102.5°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#403F35
RGB	rgb(64, 63, 53)
HSL	hsl(55, 9%, 23%)
HSV	hsv(55, 17%, 25%)
CMYK	cmyk(0%, 1.6%, 17.2%, 74.9%)
CIE-LAB	lab(26.45, -1.65, 6.30)
CIE-LCH	lch(26.45, 6.51, 104.68°)
OKLab	oklab(36.54% -0.0036 0.0163)
OKLCH	oklch(36.54% 0.017 102.5)
XYZ	xyz(4.5344, 4.9021, 4.0748)
Luminance	0.0490 (WCAG relative)
Temperature	neutral
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F35 #353640

analogous

#403935 #403F35 #3B4035

triadic

#403F35 #35403F #3F3540

tetradic

#403F35 #354039 #353640 #40353B

square

#403F35 #354039 #353640 #40353B

split-complementary

#403F35 #353B40 #393540

monochromatic

#11100E #1F1E19 #403F35 #616051 #83816C

Accessibility & contrast

On white

10.60

#403F35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#403F35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F35

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F35	#FFFFFF	#000000	##FFFFFF
##403F35	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413E34

Deuteranopia (green-blind)

#413F35

Tritanopia (blue-blind)

#423E3C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #403f35;
/* rgb */ color: rgb(64, 63, 53);
/* oklch */ color: oklch(36.5% 0.017 102.5);

Tailwind

colors: {
  custom: {
    50: '#74746c',
    500: '#403f35',
    950: '#000000',
  },
}

SCSS

$custom: #403f35;
$custom-light: #74746c;
$custom-dark: #000000;

JSON

{
  "hex": "#403f35",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 53
  },
  "hsl": {
    "h": 54.545,
    "s": 9.402,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3654,
    "c": 0.01666,
    "h": 102.5
  },
  "luminance": 0.04902
}

Semantic roles & 50–950 ramp

primary

#403F35

secondary

#62636F

accent

#7BB275

background

#F7F7F6

surface

#EDEDEB

border

#C8C8C6

text

#080806

muted

#7B7B7A

Preview Lab

Preview with #403F35

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

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