#3F4603#3F4603

#3F4603 is a dark, moderate yellow. Relative luminance 0.054; OKLCH L 37.5% C 0.084 H 116.1°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F4603
RGB	rgb(63, 70, 3)
HSL	hsl(66, 92%, 14%)
HSV	hsv(66, 96%, 27%)
CMYK	cmyk(10%, 0%, 95.7%, 72.5%)
CIE-LAB	lab(27.96, -11.94, 35.16)
CIE-LCH	lch(27.96, 37.13, 108.75°)
OKLab	oklab(37.49% -0.0369 0.0752)
OKLCH	oklch(37.49% 0.084 116.1)
XYZ	xyz(4.2566, 5.4437, 0.9126)
Luminance	0.0544 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4603 #0A0346

analogous

#462C03 #3F4603 #1E4603

triadic

#3F4603 #033F46 #46033F

tetradic

#3F4603 #03462C #0A0346 #46031E

square

#3F4603 #03462C #0A0346 #46031E

split-complementary

#3F4603 #031E46 #2C0346

monochromatic

#1A1D01 #1A1D01 #3F4603 #748106 #A9BB08

Accessibility & contrast

On white

10.05

#3F4603 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3F4603 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4603

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4603	#FFFFFF	#000000	##FFFFFF
##3F4603	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4200

Deuteranopia (green-blind)

#4B420A

Tritanopia (blue-blind)

#44413A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3f4603;
/* rgb */ color: rgb(63, 70, 3);
/* oklch */ color: oklch(37.5% 0.084 116.1);

Tailwind

colors: {
  custom: {
    50: '#77794c',
    500: '#3f4603',
    950: '#000000',
  },
}

SCSS

$custom: #3f4603;
$custom-light: #77794c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4603",
  "rgb": {
    "r": 63,
    "g": 70,
    "b": 3
  },
  "hsl": {
    "h": 66.269,
    "s": 91.781,
    "l": 14.314
  },
  "oklch": {
    "l": 0.37493,
    "c": 0.08375,
    "h": 116.1
  },
  "luminance": 0.05444
}

Semantic roles & 50–950 ramp

primary

#3F4603

secondary

#291D87

accent

#29FF3F

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090901

muted

#7B7B77

Preview Lab

Preview with #3F4603

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

Preview Lab → · Contrast checker → · Palette generator →