#279AB4#279AB4
#279AB4 is a light, moderate cyan. Relative luminance 0.268; OKLCH L 63.6% C 0.104 H 217.1°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).
Color values
| HEX | #279AB4 |
|---|---|
| RGB | rgb(39, 154, 180) |
| HSL | hsl(191, 64%, 43%) |
| HSV | hsv(191, 78%, 71%) |
| CMYK | cmyk(78.3%, 14.4%, 0%, 29.4%) |
| CIE-LAB | lab(58.82, -22.04, -22.43) |
| CIE-LCH | lch(58.82, 31.44, 225.51°) |
| OKLab | oklab(63.62% -0.0829 -0.0627) |
| OKLCH | oklch(63.62% 0.104 217.1) |
| XYZ | xyz(20.6270, 26.8353, 47.2638) |
| Luminance | 0.2684 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 6.50
Turquoise Blue
#06B1C4
ΔE00 7.71
Dirty Blue
#3F829D
ΔE00 8.85
Cadetblue
#5F9EA0
ΔE00 8.96
Greyblue
#77A1B5
ΔE00 9.22
Ocean
#017B92
ΔE00 11.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#279AB4 #B44127
analogous
#27B488 #279AB4 #2753B4
triadic
#279AB4 #B4279A #9AB427
tetradic
#279AB4 #8827B4 #B44127 #53B427
square
#279AB4 #8827B4 #B44127 #53B427
split-complementary
#279AB4 #B42753 #B48827
monochromatic
#11444F #1C6F82 #279AB4 #42BBD6 #74CDE1
Accessibility & contrast
On white
3.30
#279AB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.37
#279AB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #279AB4
6.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##279AB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##279AB4 | 1.00 | 3.30 | 6.37 | 6.37 |
| #FFFFFF | 3.30 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.37 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.37 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8995B5
Deuteranopia (green-blind)
#7688B4
Tritanopia (blue-blind)
#00A3A2
Achromatopsia (no color)
#8D8D8D
Design tokens & code
CSS
--color: #279ab4; /* rgb */ color: rgb(39, 154, 180); /* oklch */ color: oklch(63.6% 0.104 217.1);
Tailwind
colors: {
custom: {
50: '#79b8ca',
500: '#279ab4',
950: '#000000',
},
}SCSS
$custom: #279ab4; $custom-light: #79b8ca; $custom-dark: #000000;
JSON
{
"hex": "#279ab4",
"rgb": {
"r": 39,
"g": 154,
"b": 180
},
"hsl": {
"h": 191.064,
"s": 64.384,
"l": 42.941
},
"oklch": {
"l": 0.63618,
"c": 0.10395,
"h": 217.1
},
"luminance": 0.26838
}Semantic roles & 50–950 ramp
primary
#279AB4
secondary
#C87F6F
accent
#5F40E7
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0A1113
muted
#7C8082