#18403C#18403C
#18403C is a dark, muted teal. Relative luminance 0.042; OKLCH L 34.2% C 0.045 H 186.4°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).
Color values
| HEX | #18403C |
|---|---|
| RGB | rgb(24, 64, 60) |
| HSL | hsl(174, 45%, 17%) |
| HSV | hsv(174, 63%, 25%) |
| CMYK | cmyk(62.5%, 0%, 6.2%, 74.9%) |
| CIE-LAB | lab(24.28, -15.16, -1.80) |
| CIE-LCH | lch(24.28, 15.27, 186.77°) |
| OKLab | oklab(34.17% -0.0452 -0.0051) |
| OKLCH | oklch(34.17% 0.045 186.4) |
| XYZ | xyz(3.0253, 4.1869, 4.9228) |
| Luminance | 0.0419 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Teal
#014D4E
ΔE00 5.55
Darkslategray
#2F4F4F
ΔE00 6.16
Dark Blue Green
#005249
ΔE00 7.32
Deep Teal
#00555A
ΔE00 8.37
Dark Turquoise
#045C5A
ΔE00 9.72
Evergreen
#05472A
ΔE00 11.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#18403C #40181C
analogous
#184028 #18403C #183040
triadic
#18403C #3C1840 #403C18
tetradic
#18403C #281840 #40181C #304018
square
#18403C #281840 #40181C #304018
split-complementary
#18403C #401830 #402818
monochromatic
#081615 #081615 #18403C #296D66 #39998F
Accessibility & contrast
On white
11.43
#18403C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.84
#18403C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #18403C
11.43:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##18403C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##18403C | 1.00 | 11.43 | 1.84 | 11.43 |
| #FFFFFF | 11.43 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.84 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.43 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3D3C3C
Deuteranopia (green-blind)
#36383C
Tritanopia (blue-blind)
#00423F
Achromatopsia (no color)
#3A3A3A
Design tokens & code
CSS
--color: #18403c; /* rgb */ color: rgb(24, 64, 60); /* oklch */ color: oklch(34.2% 0.045 186.4);
Tailwind
colors: {
custom: {
50: '#5a7571',
500: '#18403c',
950: '#000000',
},
}SCSS
$custom: #18403c; $custom-light: #5a7571; $custom-dark: #000000;
JSON
{
"hex": "#18403c",
"rgb": {
"r": 24,
"g": 64,
"b": 60
},
"hsl": {
"h": 174,
"s": 45.455,
"l": 17.255
},
"oklch": {
"l": 0.34165,
"c": 0.04545,
"h": 186.4
},
"luminance": 0.04187
}Semantic roles & 50–950 ramp
primary
#18403C
secondary
#773D43
accent
#5360D5
background
#F5F7F6
surface
#E9EDEC
border
#C5C8C7
text
#040807
muted
#797B7A