#3F4103#3F4103

#3F4103 is a dark, moderate yellow. Relative luminance 0.048; OKLCH L 36.1% C 0.078 H 111.7°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F4103
RGB	rgb(63, 65, 3)
HSL	hsl(62, 91%, 13%)
HSV	hsv(62, 95%, 25%)
CMYK	cmyk(3.1%, 0%, 95.4%, 74.5%)
CIE-LAB	lab(26.29, -8.98, 33.70)
CIE-LCH	lch(26.29, 34.87, 104.92°)
OKLab	oklab(36.15% -0.0287 0.0722)
OKLCH	oklch(36.15% 0.078 111.7)
XYZ	xyz(3.9568, 4.8440, 0.8127)
Luminance	0.0484 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4103 #050341

analogous

#412403 #3F4103 #204103

triadic

#3F4103 #033F41 #41033F

tetradic

#3F4103 #034124 #050341 #410320

square

#3F4103 #034124 #050341 #410320

split-complementary

#3F4103 #032041 #240341

monochromatic

#1C1D01 #1C1D01 #3F4103 #787B06 #B0B608

Accessibility & contrast

On white

10.67

#3F4103 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#3F4103 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4103

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4103	#FFFFFF	#000000	##FFFFFF
##3F4103	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473D00

Deuteranopia (green-blind)

#473F08

Tritanopia (blue-blind)

#443C36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3f4103;
/* rgb */ color: rgb(63, 65, 3);
/* oklch */ color: oklch(36.1% 0.078 111.7);

Tailwind

colors: {
  custom: {
    50: '#77754b',
    500: '#3f4103',
    950: '#000000',
  },
}

SCSS

$custom: #3f4103;
$custom-light: #77754b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4103",
  "rgb": {
    "r": 63,
    "g": 65,
    "b": 3
  },
  "hsl": {
    "h": 61.935,
    "s": 91.176,
    "l": 13.333
  },
  "oklch": {
    "l": 0.36146,
    "c": 0.07772,
    "h": 111.7
  },
  "luminance": 0.04844
}

Semantic roles & 50–950 ramp

primary

#3F4103

secondary

#201D83

accent

#29FF30

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090801

muted

#7B7B77

Preview Lab

Preview with #3F4103

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

Preview Lab → · Contrast checker → · Palette generator →