#403B33#403B33

#403B33 is a dark, near-neutral orange. Relative luminance 0.045; OKLCH L 35.5% C 0.015 H 79.6°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#403B33
RGB	rgb(64, 59, 51)
HSL	hsl(37, 11%, 23%)
HSV	hsv(37, 20%, 25%)
CMYK	cmyk(0%, 7.8%, 20.3%, 74.9%)
CIE-LAB	lab(25.13, 0.55, 5.74)
CIE-LCH	lch(25.13, 5.77, 84.53°)
OKLab	oklab(35.48% 0.0027 0.0149)
OKLCH	oklch(35.48% 0.015 79.6)
XYZ	xyz(4.2758, 4.4570, 3.7664)
Luminance	0.0446 (WCAG relative)
Temperature	neutral
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B33 #333840

analogous

#403533 #403B33 #3E4033

triadic

#403B33 #33403B #3B3340

tetradic

#403B33 #334035 #333840 #40333E

square

#403B33 #334035 #333840 #40333E

split-complementary

#403B33 #333E40 #353340

monochromatic

#11100E #1E1C18 #403B33 #625A4E #847A69

Accessibility & contrast

On white

11.10

#403B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#403B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B33

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B33	#FFFFFF	#000000	##FFFFFF
##403B33	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3B33

Deuteranopia (green-blind)

#3E3C33

Tritanopia (blue-blind)

#423939

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #403b33;
/* rgb */ color: rgb(64, 59, 51);
/* oklch */ color: oklch(35.5% 0.015 79.6);

Tailwind

colors: {
  custom: {
    50: '#75706a',
    500: '#403b33',
    950: '#000000',
  },
}

SCSS

$custom: #403b33;
$custom-light: #75706a;
$custom-dark: #000000;

JSON

{
  "hex": "#403b33",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 51
  },
  "hsl": {
    "h": 36.923,
    "s": 11.304,
    "l": 22.549
  },
  "oklch": {
    "l": 0.35478,
    "c": 0.01513,
    "h": 79.6
  },
  "luminance": 0.04457
}

Semantic roles & 50–950 ramp

primary

#403B33

secondary

#5F6670

accent

#8CB474

background

#F7F6F6

surface

#EDECEB

border

#C8C7C6

text

#080706

muted

#7B7A7A

Preview Lab

Preview with #403B33

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

Preview Lab → · Contrast checker → · Palette generator →