#423B07#423B07

#423B07 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 34.9% C 0.068 H 101.2°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#423B07
RGB	rgb(66, 59, 7)
HSL	hsl(53, 81%, 14%)
HSV	hsv(53, 89%, 26%)
CMYK	cmyk(0%, 10.6%, 89.4%, 74.1%)
CIE-LAB	lab(24.64, -3.49, 30.64)
CIE-LCH	lch(24.64, 30.84, 96.49°)
OKLab	oklab(34.92% -0.0132 0.0666)
OKLCH	oklch(34.92% 0.068 101.2)
XYZ	xyz(3.8493, 4.3017, 0.8285)
Luminance	0.0430 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423B07 #070E42

analogous

#421E07 #423B07 #2C4207

triadic

#423B07 #07423B #3B0742

tetradic

#423B07 #07421E #070E42 #42072C

square

#423B07 #07421E #070E42 #42072C

split-complementary

#423B07 #072C42 #1E0742

monochromatic

#1C1903 #1C1903 #423B07 #796C0D #B19E13

Accessibility & contrast

On white

11.29

#423B07 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#423B07 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423B07

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423B07	#FFFFFF	#000000	##FFFFFF
##423B07	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423900

Deuteranopia (green-blind)

#443C0B

Tritanopia (blue-blind)

#483631

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #423b07;
/* rgb */ color: rgb(66, 59, 7);
/* oklch */ color: oklch(34.9% 0.068 101.2);

Tailwind

colors: {
  custom: {
    50: '#79704c',
    500: '#423b07',
    950: '#000000',
  },
}

SCSS

$custom: #423b07;
$custom-light: #79704c;
$custom-dark: #000000;

JSON

{
  "hex": "#423b07",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 7
  },
  "hsl": {
    "h": 52.881,
    "s": 80.822,
    "l": 14.314
  },
  "oklch": {
    "l": 0.3492,
    "c": 0.06791,
    "h": 101.2
  },
  "luminance": 0.04302
}

Semantic roles & 50–950 ramp

primary

#423B07

secondary

#242F81

accent

#48F731

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #423B07

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

Preview Lab → · Contrast checker → · Palette generator →