#171801#171801
#171801 is a very dark, muted yellow. Relative luminance 0.008; OKLCH L 20.1% C 0.042 H 111.8°. Best body text is #FFFFFF at 17.99:1 contrast (WCAG AA passes).
Color values
| HEX | #171801 |
|---|---|
| RGB | rgb(23, 24, 1) |
| HSL | hsl(63, 92%, 5%) |
| HSV | hsv(63, 96%, 9%) |
| CMYK | cmyk(4.2%, 0%, 95.8%, 90.6%) |
| CIE-LAB | lab(7.57, -4.53, 10.84) |
| CIE-LCH | lch(7.57, 11.75, 112.69°) |
| OKLab | oklab(20.14% -0.0157 0.0392) |
| OKLCH | oklch(20.14% 0.042 111.8) |
| XYZ | xyz(0.6855, 0.8376, 0.1543) |
| Luminance | 0.0084 (WCAG relative) |
| Temperature | warm |
| Family | yellow |
Closest named colors
Almost Black
#070D0D
ΔE00 9.90
Black
#000000
ΔE00 10.89
Charcoal (survey)
#343837
ΔE00 13.56
Dark Grey
#363737
ΔE00 14.10
Very Dark Green
#062E03
ΔE00 14.19
Dark Forest Green
#002D04
ΔE00 14.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#171801 #020118
analogous
#180E01 #171801 #0B1801
triadic
#171801 #011718 #180117
tetradic
#171801 #01180E #020118 #18010B
square
#171801 #01180E #020118 #18010B
split-complementary
#171801 #010B18 #0E0118
monochromatic
#1C1D01 #1C1D01 #1C1D01 #4F5303 #888E06
Accessibility & contrast
On white
17.99
#171801 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.17
#171801 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #171801
17.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##171801 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##171801 | 1.00 | 17.99 | 1.17 | 17.99 |
| #FFFFFF | 17.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1B1600
Deuteranopia (green-blind)
#1B1702
Tritanopia (blue-blind)
#191613
Achromatopsia (no color)
#171717
Design tokens & code
CSS
--color: #171801; /* rgb */ color: rgb(23, 24, 1); /* oklch */ color: oklch(20.1% 0.042 111.8);
Tailwind
colors: {
custom: {
50: '#535447',
500: '#171801',
950: '#000000',
},
}SCSS
$custom: #171801; $custom-light: #535447; $custom-dark: #000000;
JSON
{
"hex": "#171801",
"rgb": {
"r": 23,
"g": 24,
"b": 1
},
"hsl": {
"h": 62.609,
"s": 92,
"l": 4.902
},
"oklch": {
"l": 0.2014,
"c": 0.04224,
"h": 111.8
},
"luminance": 0.00838
}Semantic roles & 50–950 ramp
primary
#171801
secondary
#181560
accent
#29FF32
background
#F4F4F3
surface
#E7E7E5
border
#C3C3C1
text
#020200
muted
#787877