#0A3738#0A3738
#0A3738 is a dark, muted teal. Relative luminance 0.031; OKLCH L 30.8% C 0.047 H 197.2°. Best body text is #FFFFFF at 12.99:1 contrast (WCAG AA passes).
Color values
| HEX | #0A3738 |
|---|---|
| RGB | rgb(10, 55, 56) |
| HSL | hsl(181, 70%, 13%) |
| HSV | hsv(181, 82%, 22%) |
| CMYK | cmyk(82.1%, 1.8%, 0%, 78%) |
| CIE-LAB | lab(20.37, -14.17, -4.97) |
| CIE-LCH | lch(20.37, 15.01, 199.34°) |
| OKLab | oklab(30.82% -0.0446 -0.0138) |
| OKLCH | oklch(30.82% 0.047 197.2) |
| XYZ | xyz(2.2049, 3.0822, 4.2193) |
| Luminance | 0.0308 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Dark Teal
#014D4E
ΔE00 7.35
Darkslategray
#2F4F4F
ΔE00 8.27
Deep Teal
#00555A
ΔE00 9.87
Dark Blue Green
#005249
ΔE00 10.42
Gunmetal
#2A3439
ΔE00 10.88
Dark Blue Grey
#1F3B4D
ΔE00 11.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0A3738 #380B0A
analogous
#0A3822 #0A3738 #0A2038
triadic
#0A3738 #380A37 #37380A
tetradic
#0A3738 #220A38 #380B0A #20380A
square
#0A3738 #220A38 #380B0A #20380A
split-complementary
#0A3738 #380A20 #38220A
monochromatic
#051A1A #051A1A #0A3738 #136A6C #1D9DA0
Accessibility & contrast
On white
12.99
#0A3738 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.62
#0A3738 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0A3738
12.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0A3738 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0A3738 | 1.00 | 12.99 | 1.62 | 12.99 |
| #FFFFFF | 12.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#333438
Deuteranopia (green-blind)
#2C2F38
Tritanopia (blue-blind)
#003937
Achromatopsia (no color)
#313131
Design tokens & code
CSS
--color: #0a3738; /* rgb */ color: rgb(10, 55, 56); /* oklch */ color: oklch(30.8% 0.047 197.2);
Tailwind
colors: {
custom: {
50: '#526e6e',
500: '#0a3738',
950: '#000000',
},
}SCSS
$custom: #0a3738; $custom-light: #526e6e; $custom-dark: #000000;
JSON
{
"hex": "#0a3738",
"rgb": {
"r": 10,
"g": 55,
"b": 56
},
"hsl": {
"h": 181.304,
"s": 69.697,
"l": 12.941
},
"oklch": {
"l": 0.3082,
"c": 0.04667,
"h": 197.2
},
"luminance": 0.03082
}Semantic roles & 50–950 ramp
primary
#0A3738
secondary
#752A28
accent
#3F3BED
background
#F4F6F6
surface
#E7EBEB
border
#C3C6C6
text
#030707
muted
#787A7A