#28839E#28839E
#28839E is a mid, moderate cyan. Relative luminance 0.192; OKLCH L 56.9% C 0.092 H 222.0°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).
Color values
| HEX | #28839E |
|---|---|
| RGB | rgb(40, 131, 158) |
| HSL | hsl(194, 60%, 39%) |
| HSV | hsv(194, 75%, 62%) |
| CMYK | cmyk(74.7%, 17.1%, 0%, 38%) |
| CIE-LAB | lab(50.86, -17.04, -22.03) |
| CIE-LCH | lch(50.86, 27.85, 232.28°) |
| OKLab | oklab(56.94% -0.0684 -0.0616) |
| OKLCH | oklch(56.94% 0.092 222) |
| XYZ | xyz(15.1604, 19.1506, 35.2385) |
| Luminance | 0.1915 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 2.49
Teal Blue
#01889F
ΔE00 3.36
Ocean
#017B92
ΔE00 4.13
Sea Blue
#047495
ΔE00 6.07
Cerulean
#007BA7
ΔE00 6.07
Stormy Blue
#507B9C
ΔE00 8.24
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28839E #9E4328
analogous
#289E7E #28839E #28489E
triadic
#28839E #9E2883 #839E28
tetradic
#28839E #7E289E #9E4328 #489E28
square
#28839E #7E289E #9E4328 #489E28
split-complementary
#28839E #9E2848 #9E7E28
monochromatic
#0F323C #1C5B6D #28839E #37AACC #68BFD9
Accessibility & contrast
On white
4.35
#28839E on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.83
#28839E on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #28839E
4.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28839E | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##28839E | 1.00 | 4.35 | 4.83 | 4.83 |
| #FFFFFF | 4.35 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.83 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.83 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#73809F
Deuteranopia (green-blind)
#63749E
Tritanopia (blue-blind)
#008B8C
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #28839e; /* rgb */ color: rgb(40, 131, 158); /* oklch */ color: oklch(56.9% 0.092 222.0);
Tailwind
colors: {
custom: {
50: '#74a7ba',
500: '#28839e',
950: '#000000',
},
}SCSS
$custom: #28839e; $custom-light: #74a7ba; $custom-dark: #000000;
JSON
{
"hex": "#28839e",
"rgb": {
"r": 40,
"g": 131,
"b": 158
},
"hsl": {
"h": 193.729,
"s": 59.596,
"l": 38.824
},
"oklch": {
"l": 0.56944,
"c": 0.09205,
"h": 222
},
"luminance": 0.19152
}Semantic roles & 50–950 ramp
primary
#28839E
secondary
#BF7863
accent
#6945E3
background
#F7FAFB
surface
#EEF4F6
border
#C9CED0
text
#090F11
muted
#7B7F80