#1F2300#1F2300
#1F2300 is a very dark, muted yellow. Relative luminance 0.015; OKLCH L 24.4% C 0.056 H 115.9°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).
Color values
| HEX | #1F2300 |
|---|---|
| RGB | rgb(31, 35, 0) |
| HSL | hsl(67, 100%, 7%) |
| HSV | hsv(67, 100%, 14%) |
| CMYK | cmyk(11.4%, 0%, 100%, 86.3%) |
| CIE-LAB | lab(12.57, -7.81, 18.42) |
| CIE-LCH | lch(12.57, 20.01, 112.98°) |
| OKLab | oklab(24.36% -0.0243 0.05) |
| OKLCH | oklch(24.36% 0.056 115.9) |
| XYZ | xyz(1.1661, 1.4934, 0.2268) |
| Luminance | 0.0149 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Very Dark Green
#062E03
ΔE00 10.22
Dark Olive
#373E02
ΔE00 10.41
Dark Forest Green
#002D04
ΔE00 10.96
Dark Green
#033500
ΔE00 11.85
Hunter Green (survey)
#0B4008
ΔE00 13.64
Forrest Green
#154406
ΔE00 14.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1F2300 #040023
analogous
#231600 #1F2300 #0E2300
triadic
#1F2300 #001F23 #23001F
tetradic
#1F2300 #002316 #040023 #23000E
square
#1F2300 #002316 #040023 #23000E
split-complementary
#1F2300 #000E23 #160023
monochromatic
#1B1F00 #1B1F00 #1F2300 #556000 #8B9D00
Accessibility & contrast
On white
16.17
#1F2300 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.30
#1F2300 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1F2300
16.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1F2300 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1F2300 | 1.00 | 16.17 | 1.30 | 16.17 |
| #FFFFFF | 16.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.30 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 16.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#262000
Deuteranopia (green-blind)
#262102
Tritanopia (blue-blind)
#22201C
Achromatopsia (no color)
#212121
Design tokens & code
CSS
--color: #1f2300; /* rgb */ color: rgb(31, 35, 0); /* oklch */ color: oklch(24.4% 0.056 115.9);
Tailwind
colors: {
custom: {
50: '#5b5d46',
500: '#1f2300',
950: '#000000',
},
}SCSS
$custom: #1f2300; $custom-light: #5b5d46; $custom-dark: #000000;
JSON
{
"hex": "#1f2300",
"rgb": {
"r": 31,
"g": 35,
"b": 0
},
"hsl": {
"h": 66.857,
"s": 100,
"l": 6.863
},
"oklch": {
"l": 0.2436,
"c": 0.05564,
"h": 115.9
},
"luminance": 0.01493
}Semantic roles & 50–950 ramp
primary
#1F2300
secondary
#1D136C
accent
#29FF41
background
#F5F5F3
surface
#E9E9E5
border
#C5C5C1
text
#040400
muted
#797977