#403707#403707

#403707 is a dark, moderate yellow. Relative luminance 0.038; OKLCH L 33.7% C 0.064 H 97.9°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#403707
RGB	rgb(64, 55, 7)
HSL	hsl(51, 80%, 14%)
HSV	hsv(51, 89%, 25%)
CMYK	cmyk(0%, 14.1%, 89.1%, 74.9%)
CIE-LAB	lab(23.13, -2.01, 29.06)
CIE-LCH	lch(23.13, 29.13, 93.95°)
OKLab	oklab(33.66% -0.0089 0.0636)
OKLCH	oklch(33.66% 0.064 97.9)
XYZ	xyz(3.5191, 3.8379, 0.7564)
Luminance	0.0384 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403707 #071040

analogous

#401B07 #403707 #2D4007

triadic

#403707 #074037 #370740

tetradic

#403707 #07401B #071040 #40072D

square

#403707 #07401B #071040 #40072D

split-complementary

#403707 #072D40 #1B0740

monochromatic

#1C1803 #1C1803 #403707 #77660D #AE9613

Accessibility & contrast

On white

11.88

#403707 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#403707 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403707

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403707	#FFFFFF	#000000	##FFFFFF
##403707	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3501

Deuteranopia (green-blind)

#40380A

Tritanopia (blue-blind)

#46322E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #403707;
/* rgb */ color: rgb(64, 55, 7);
/* oklch */ color: oklch(33.7% 0.064 97.9);

Tailwind

colors: {
  custom: {
    50: '#776d4b',
    500: '#403707',
    950: '#000000',
  },
}

SCSS

$custom: #403707;
$custom-light: #776d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#403707",
  "rgb": {
    "r": 64,
    "g": 55,
    "b": 7
  },
  "hsl": {
    "h": 50.526,
    "s": 80.282,
    "l": 13.922
  },
  "oklch": {
    "l": 0.33664,
    "c": 0.06425,
    "h": 97.9
  },
  "luminance": 0.03838
}

Semantic roles & 50–950 ramp

primary

#403707

secondary

#24327F

accent

#50F731

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403707

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

Preview Lab → · Contrast checker → · Palette generator →