#403907#403907

#403907 is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 34.2% C 0.066 H 100.9°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#403907
RGB	rgb(64, 57, 7)
HSL	hsl(53, 80%, 14%)
HSV	hsv(53, 89%, 25%)
CMYK	cmyk(0%, 10.9%, 89.1%, 74.9%)
CIE-LAB	lab(23.78, -3.29, 29.71)
CIE-LCH	lch(23.78, 29.89, 96.31°)
OKLab	oklab(34.18% -0.0125 0.0649)
OKLCH	oklch(34.18% 0.066 100.9)
XYZ	xyz(3.6160, 4.0318, 0.7887)
Luminance	0.0403 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403907 #070E40

analogous

#401D07 #403907 #2B4007

triadic

#403907 #074039 #390740

tetradic

#403907 #07401D #070E40 #40072B

square

#403907 #07401D #070E40 #40072B

split-complementary

#403907 #072B40 #1D0740

monochromatic

#1C1903 #1C1903 #403907 #776A0D #AE9B13

Accessibility & contrast

On white

11.63

#403907 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#403907 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403907

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403907	#FFFFFF	#000000	##FFFFFF
##403907	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3700

Deuteranopia (green-blind)

#413A0B

Tritanopia (blue-blind)

#463430

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #403907;
/* rgb */ color: rgb(64, 57, 7);
/* oklch */ color: oklch(34.2% 0.066 100.9);

Tailwind

colors: {
  custom: {
    50: '#776f4c',
    500: '#403907',
    950: '#000000',
  },
}

SCSS

$custom: #403907;
$custom-light: #776f4c;
$custom-dark: #000000;

JSON

{
  "hex": "#403907",
  "rgb": {
    "r": 64,
    "g": 57,
    "b": 7
  },
  "hsl": {
    "h": 52.632,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.34178,
    "c": 0.06608,
    "h": 100.9
  },
  "luminance": 0.04032
}

Semantic roles & 50–950 ramp

primary

#403907

secondary

#242F7F

accent

#49F731

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403907

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

Preview Lab → · Contrast checker → · Palette generator →