#39758B#39758B
#39758B is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.2% C 0.071 H 224.6°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).
Color values
| HEX | #39758B |
|---|---|
| RGB | rgb(57, 117, 139) |
| HSL | hsl(196, 42%, 38%) |
| HSV | hsv(196, 59%, 55%) |
| CMYK | cmyk(59%, 15.8%, 0%, 45.5%) |
| CIE-LAB | lab(46.25, -12.66, -17.91) |
| CIE-LCH | lch(46.25, 21.93, 234.74°) |
| OKLab | oklab(53.15% -0.0505 -0.0498) |
| OKLCH | oklch(53.15% 0.071 224.6) |
| XYZ | xyz(12.7070, 15.4553, 26.7346) |
| Luminance | 0.1546 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Sea Blue
#047495
ΔE00 3.85
Ocean
#017B92
ΔE00 4.53
Dirty Blue
#3F829D
ΔE00 5.17
Metallic Blue
#4F738E
ΔE00 6.20
Ocean Blue (survey)
#03719C
ΔE00 6.44
Cerulean
#007BA7
ΔE00 6.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#39758B #8B4F39
analogous
#398B78 #39758B #394C8B
triadic
#39758B #8B3975 #758B39
tetradic
#39758B #78398B #8B4F39 #4C8B39
square
#39758B #78398B #8B4F39 #4C8B39
split-complementary
#39758B #8B394C #8B7839
monochromatic
#152C34 #275060 #39758B #4C99B5 #77B2C7
Accessibility & contrast
On white
5.13
#39758B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.09
#39758B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #39758B
5.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##39758B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##39758B | 1.00 | 5.13 | 4.09 | 5.13 |
| #FFFFFF | 5.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.09 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#69738C
Deuteranopia (green-blind)
#5D6A8B
Tritanopia (blue-blind)
#007C7C
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #39758b; /* rgb */ color: rgb(57, 117, 139); /* oklch */ color: oklch(53.2% 0.071 224.6);
Tailwind
colors: {
custom: {
50: '#779cad',
500: '#39758b',
950: '#000000',
},
}SCSS
$custom: #39758b; $custom-light: #779cad; $custom-dark: #000000;
JSON
{
"hex": "#39758b",
"rgb": {
"r": 57,
"g": 117,
"b": 139
},
"hsl": {
"h": 196.098,
"s": 41.837,
"l": 38.431
},
"oklch": {
"l": 0.53151,
"c": 0.07095,
"h": 224.6
},
"luminance": 0.15457
}Semantic roles & 50–950 ramp
primary
#39758B
secondary
#B0816F
accent
#7756D2
background
#F7F9FA
surface
#EEF2F4
border
#C9CCCE
text
#090E10
muted
#7B7E7F