#278EB6#278EB6
#278EB6 is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 60.8% C 0.108 H 229.2°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).
Color values
| HEX | #278EB6 |
|---|---|
| RGB | rgb(39, 142, 182) |
| HSL | hsl(197, 65%, 43%) |
| HSV | hsv(197, 79%, 71%) |
| CMYK | cmyk(78.6%, 22%, 0%, 28.6%) |
| CIE-LAB | lab(55.23, -14.93, -29.11) |
| CIE-LCH | lch(55.23, 32.71, 242.85°) |
| OKLab | oklab(60.76% -0.0705 -0.0819) |
| OKLCH | oklch(60.76% 0.108 229.2) |
| XYZ | xyz(18.9497, 23.1524, 47.7170) |
| Luminance | 0.2316 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 5.36
Teal Blue
#01889F
ΔE00 7.06
Cerulean
#007BA7
ΔE00 7.22
Water Blue
#0E87CC
ΔE00 7.31
Steel Blue
#4682B4
ΔE00 7.66
Dusty Blue
#5A86AD
ΔE00 7.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#278EB6 #B64F27
analogous
#27B696 #278EB6 #2746B6
triadic
#278EB6 #B6278E #8EB627
tetradic
#278EB6 #9627B6 #B64F27 #46B627
square
#278EB6 #9627B6 #B64F27 #46B627
split-complementary
#278EB6 #B62746 #B69627
monochromatic
#113F51 #1C6784 #278EB6 #43AED7 #76C3E2
Accessibility & contrast
On white
3.73
#278EB6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.63
#278EB6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #278EB6
5.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##278EB6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##278EB6 | 1.00 | 3.73 | 5.63 | 5.63 |
| #FFFFFF | 3.73 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.63 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.63 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#798CB8
Deuteranopia (green-blind)
#667EB5
Tritanopia (blue-blind)
#00999B
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #278eb6; /* rgb */ color: rgb(39, 142, 182); /* oklch */ color: oklch(60.8% 0.108 229.2);
Tailwind
colors: {
custom: {
50: '#78afcc',
500: '#278eb6',
950: '#000000',
},
}SCSS
$custom: #278eb6; $custom-light: #78afcc; $custom-dark: #000000;
JSON
{
"hex": "#278eb6",
"rgb": {
"r": 39,
"g": 142,
"b": 182
},
"hsl": {
"h": 196.783,
"s": 64.706,
"l": 43.333
},
"oklch": {
"l": 0.60762,
"c": 0.10805,
"h": 229.2
},
"luminance": 0.23155
}Semantic roles & 50–950 ramp
primary
#278EB6
secondary
#C98970
accent
#6F40E8
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0A1013
muted
#7C7F82