#153F40#153F40
#153F40 is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.046 H 197.4°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).
Color values
| HEX | #153F40 |
|---|---|
| RGB | rgb(21, 63, 64) |
| HSL | hsl(181, 51%, 17%) |
| HSV | hsv(181, 67%, 25%) |
| CMYK | cmyk(67.2%, 1.6%, 0%, 74.9%) |
| CIE-LAB | lab(23.95, -13.97, -4.96) |
| CIE-LCH | lch(23.95, 14.82, 199.56°) |
| OKLab | oklab(33.91% -0.0439 -0.0137) |
| OKLCH | oklch(33.91% 0.046 197.4) |
| XYZ | xyz(3.0118, 4.0843, 5.4791) |
| Luminance | 0.0408 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Teal
#014D4E
ΔE00 5.43
Darkslategray
#2F4F4F
ΔE00 5.81
Deep Teal
#00555A
ΔE00 7.74
Dark Blue Green
#005249
ΔE00 8.87
Dark Turquoise
#045C5A
ΔE00 10.19
Gunmetal
#2A3439
ΔE00 10.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#153F40 #401615
analogous
#15402C #153F40 #152A40
triadic
#153F40 #40153F #3F4015
tetradic
#153F40 #2C1540 #401615 #2A4015
square
#153F40 #2C1540 #401615 #2A4015
split-complementary
#153F40 #40152A #402C15
monochromatic
#081717 #081717 #153F40 #246C6E #339A9C
Accessibility & contrast
On white
11.56
#153F40 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.82
#153F40 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #153F40
11.56:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##153F40 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##153F40 | 1.00 | 11.56 | 1.82 | 11.56 |
| #FFFFFF | 11.56 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.82 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.56 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3A3C40
Deuteranopia (green-blind)
#343740
Tritanopia (blue-blind)
#00413F
Achromatopsia (no color)
#393939
Design tokens & code
CSS
--color: #153f40; /* rgb */ color: rgb(21, 63, 64); /* oklch */ color: oklch(33.9% 0.046 197.4);
Tailwind
colors: {
custom: {
50: '#597474',
500: '#153f40',
950: '#000000',
},
}SCSS
$custom: #153f40; $custom-light: #597474; $custom-dark: #000000;
JSON
{
"hex": "#153f40",
"rgb": {
"r": 21,
"g": 63,
"b": 64
},
"hsl": {
"h": 181.395,
"s": 50.588,
"l": 16.667
},
"oklch": {
"l": 0.33912,
"c": 0.04598,
"h": 197.4
},
"luminance": 0.04085
}Semantic roles & 50–950 ramp
primary
#153F40
secondary
#783B39
accent
#514EDA
background
#F5F7F7
surface
#E9EDED
border
#C5C8C8
text
#040808
muted
#797B7B