#399CA3#399CA3
#399CA3 is a light, moderate teal. Relative luminance 0.273; OKLCH L 63.9% C 0.091 H 201.8°. Best body text is #000000 at 6.46:1 contrast (WCAG AA passes).
Color values
| HEX | #399CA3 |
|---|---|
| RGB | rgb(57, 156, 163) |
| HSL | hsl(184, 48%, 43%) |
| HSV | hsv(184, 65%, 64%) |
| CMYK | cmyk(65%, 4.3%, 0%, 36.1%) |
| CIE-LAB | lab(59.24, -26.01, -12.12) |
| CIE-LCH | lch(59.24, 28.70, 204.99°) |
| OKLab | oklab(63.87% -0.0841 -0.0336) |
| OKLCH | oklch(63.87% 0.091 201.8) |
| XYZ | xyz(20.1838, 27.2889, 38.8468) |
| Luminance | 0.2729 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Cadetblue
#5F9EA0
ΔE00 4.31
Sea
#3C9992
ΔE00 5.78
Turquoise Blue
#06B1C4
ΔE00 7.32
Darkcyan
#008B8B
ΔE00 7.42
Dark Cyan
#0A888A
ΔE00 7.89
Greenish Blue
#0B8B87
ΔE00 8.23
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#399CA3 #A34039
analogous
#39A375 #399CA3 #3967A3
triadic
#399CA3 #A3399C #9CA339
tetradic
#399CA3 #7539A3 #A34039 #67A339
square
#399CA3 #7539A3 #A34039 #67A339
split-complementary
#399CA3 #A33967 #A37539
monochromatic
#194548 #297176 #399CA3 #55BCC4 #83CED4
Accessibility & contrast
On white
3.25
#399CA3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.46
#399CA3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #399CA3
6.46:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##399CA3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##399CA3 | 1.00 | 3.25 | 6.46 | 6.46 |
| #FFFFFF | 3.25 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.46 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.46 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#9195A4
Deuteranopia (green-blind)
#808AA3
Tritanopia (blue-blind)
#00A29E
Achromatopsia (no color)
#8F8F8F
Design tokens & code
CSS
--color: #399ca3; /* rgb */ color: rgb(57, 156, 163); /* oklch */ color: oklch(63.9% 0.091 201.8);
Tailwind
colors: {
custom: {
50: '#7db9be',
500: '#399ca3',
950: '#000000',
},
}SCSS
$custom: #399ca3; $custom-light: #7db9be; $custom-dark: #000000;
JSON
{
"hex": "#399ca3",
"rgb": {
"r": 57,
"g": 156,
"b": 163
},
"hsl": {
"h": 183.962,
"s": 48.182,
"l": 43.137
},
"oklch": {
"l": 0.63873,
"c": 0.09054,
"h": 201.8
},
"luminance": 0.27291
}Semantic roles & 50–950 ramp
primary
#399CA3
secondary
#BD7F7A
accent
#5950D8
background
#F8FBFB
surface
#EFF6F6
border
#CAD0D0
text
#0B1112
muted
#7C8081