#403503#403503

#403503 is a dark, moderate yellow. Relative luminance 0.036; OKLCH L 33.1% C 0.066 H 95.6°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#403503
RGB	rgb(64, 53, 3)
HSL	hsl(49, 91%, 13%)
HSV	hsv(49, 95%, 25%)
CMYK	cmyk(0%, 17.2%, 95.3%, 74.9%)
CIE-LAB	lab(22.45, -0.94, 29.99)
CIE-LCH	lch(22.45, 30.00, 91.79°)
OKLab	oklab(33.12% -0.0064 0.0654)
OKLCH	oklch(33.12% 0.066 95.6)
XYZ	xyz(3.4041, 3.6430, 0.6100)
Luminance	0.0364 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403503 #030E40

analogous

#401603 #403503 #2C4003

triadic

#403503 #034035 #350340

tetradic

#403503 #034016 #030E40 #40032C

square

#403503 #034016 #030E40 #40032C

split-complementary

#403503 #032C40 #160340

monochromatic

#1D1801 #1D1801 #403503 #7A6506 #B59608

Accessibility & contrast

On white

12.15

#403503 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#403503 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403503

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403503	#FFFFFF	#000000	##FFFFFF
##403503	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3400

Deuteranopia (green-blind)

#3F3706

Tritanopia (blue-blind)

#46302C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #403503;
/* rgb */ color: rgb(64, 53, 3);
/* oklch */ color: oklch(33.1% 0.066 95.6);

Tailwind

colors: {
  custom: {
    50: '#786b49',
    500: '#403503',
    950: '#000000',
  },
}

SCSS

$custom: #403503;
$custom-light: #786b49;
$custom-dark: #000000;

JSON

{
  "hex": "#403503",
  "rgb": {
    "r": 64,
    "g": 53,
    "b": 3
  },
  "hsl": {
    "h": 49.18,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.33121,
    "c": 0.06571,
    "h": 95.6
  },
  "luminance": 0.03643
}

Semantic roles & 50–950 ramp

primary

#403503

secondary

#1D2F82

accent

#4FFF29

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090601

muted

#7B7A77

Preview Lab

Preview with #403503

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

Preview Lab → · Contrast checker → · Palette generator →