#403E33#403E33

#403E33 is a dark, near-neutral yellow. Relative luminance 0.048; OKLCH L 36.2% C 0.018 H 98.7°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#403E33
RGB	rgb(64, 62, 51)
HSL	hsl(51, 11%, 23%)
HSV	hsv(51, 20%, 25%)
CMYK	cmyk(0%, 3.1%, 20.3%, 74.9%)
CIE-LAB	lab(26.08, -1.39, 7.09)
CIE-LCH	lch(26.08, 7.22, 101.08°)
OKLab	oklab(36.23% -0.0028 0.0182)
OKLCH	oklch(36.23% 0.018 98.7)
XYZ	xyz(4.4345, 4.7743, 3.8193)
Luminance	0.0477 (WCAG relative)
Temperature	neutral
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E33 #333540

analogous

#403733 #403E33 #3B4033

triadic

#403E33 #33403E #3E3340

tetradic

#403E33 #334037 #333540 #40333B

square

#403E33 #334037 #333540 #40333B

split-complementary

#403E33 #333B40 #373340

monochromatic

#11100E #1E1D18 #403E33 #625F4E #848069

Accessibility & contrast

On white

10.74

#403E33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#403E33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E33

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E33	#FFFFFF	#000000	##FFFFFF
##403E33	1.00	10.74	1.95	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403D32

Deuteranopia (green-blind)

#413E33

Tritanopia (blue-blind)

#423C3B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #403e33;
/* rgb */ color: rgb(64, 62, 51);
/* oklch */ color: oklch(36.2% 0.018 98.7);

Tailwind

colors: {
  custom: {
    50: '#75736a',
    500: '#403e33',
    950: '#000000',
  },
}

SCSS

$custom: #403e33;
$custom-light: #75736a;
$custom-dark: #000000;

JSON

{
  "hex": "#403e33",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 51
  },
  "hsl": {
    "h": 50.769,
    "s": 11.304,
    "l": 22.549
  },
  "oklch": {
    "l": 0.36229,
    "c": 0.01845,
    "h": 98.7
  },
  "luminance": 0.04774
}

Semantic roles & 50–950 ramp

primary

#403E33

secondary

#5F6270

accent

#7EB474

background

#F7F6F6

surface

#EDECEB

border

#C8C7C6

text

#080806

muted

#7B7B7A

Preview Lab

Preview with #403E33

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

Preview Lab → · Contrast checker → · Palette generator →