#40380E#40380E

#40380E is a dark, muted yellow. Relative luminance 0.040; OKLCH L 34.0% C 0.060 H 98.3°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#40380E
RGB	rgb(64, 56, 14)
HSL	hsl(50, 64%, 15%)
HSV	hsv(50, 78%, 25%)
CMYK	cmyk(0%, 12.5%, 78.1%, 74.9%)
CIE-LAB	lab(23.51, -2.25, 26.40)
CIE-LCH	lch(23.51, 26.50, 94.86°)
OKLab	oklab(33.98% -0.0086 0.0592)
OKLCH	oklch(33.98% 0.06 98.3)
XYZ	xyz(3.6080, 3.9502, 0.9878)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40380E #0E1640

analogous

#401F0E #40380E #2F400E

triadic

#40380E #0E4038 #380E40

tetradic

#40380E #0E401F #0E1640 #400E2F

square

#40380E #0E401F #0E1640 #400E2F

split-complementary

#40380E #0E2F40 #1F0E40

monochromatic

#191605 #191605 #40380E #726419 #A49024

Accessibility & contrast

On white

11.73

#40380E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#40380E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40380E

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40380E	#FFFFFF	#000000	##FFFFFF
##40380E	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3608

Deuteranopia (green-blind)

#403910

Tritanopia (blue-blind)

#46332F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #40380e;
/* rgb */ color: rgb(64, 56, 14);
/* oklch */ color: oklch(34.0% 0.060 98.3);

Tailwind

colors: {
  custom: {
    50: '#776e4f',
    500: '#40380e',
    950: '#000000',
  },
}

SCSS

$custom: #40380e;
$custom-light: #776e4f;
$custom-dark: #000000;

JSON

{
  "hex": "#40380e",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 14
  },
  "hsl": {
    "h": 50.4,
    "s": 64.103,
    "l": 15.294
  },
  "oklch": {
    "l": 0.33982,
    "c": 0.05979,
    "h": 98.3
  },
  "luminance": 0.0395
}

Semantic roles & 50–950 ramp

primary

#40380E

secondary

#2F3B7B

accent

#5BE741

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #40380E

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

Preview Lab → · Contrast checker → · Palette generator →