#279BB9#279BB9
#279BB9 is a light, moderate cyan. Relative luminance 0.274; OKLCH L 64.1% C 0.107 H 219.9°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).
Color values
| HEX | #279BB9 |
|---|---|
| RGB | rgb(39, 155, 185) |
| HSL | hsl(192, 65%, 44%) |
| HSV | hsv(192, 79%, 73%) |
| CMYK | cmyk(78.9%, 16.2%, 0%, 27.5%) |
| CIE-LAB | lab(59.32, -20.89, -24.49) |
| CIE-LCH | lch(59.32, 32.19, 229.53°) |
| OKLab | oklab(64.08% -0.0819 -0.0685) |
| OKLCH | oklch(64.08% 0.107 219.9) |
| XYZ | xyz(21.3113, 27.3742, 50.0501) |
| Luminance | 0.2738 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 7.22
Turquoise Blue
#06B1C4
ΔE00 8.13
Greyblue
#77A1B5
ΔE00 8.76
Dirty Blue
#3F829D
ΔE00 8.86
Cadetblue
#5F9EA0
ΔE00 10.00
Bluegrey
#85A3B2
ΔE00 11.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#279BB9 #B94527
analogous
#27B98E #279BB9 #2752B9
triadic
#279BB9 #B9279B #9BB927
tetradic
#279BB9 #8E27B9 #B94527 #52B927
square
#279BB9 #8E27B9 #B94527 #52B927
split-complementary
#279BB9 #B92752 #B98E27
monochromatic
#124654 #1C7186 #279BB9 #45BAD8 #78CDE3
Accessibility & contrast
On white
3.24
#279BB9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.48
#279BB9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #279BB9
6.48:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##279BB9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##279BB9 | 1.00 | 3.24 | 6.48 | 6.48 |
| #FFFFFF | 3.24 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.48 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.48 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8997BB
Deuteranopia (green-blind)
#7589B9
Tritanopia (blue-blind)
#00A5A5
Achromatopsia (no color)
#8F8F8F
Design tokens & code
CSS
--color: #279bb9; /* rgb */ color: rgb(39, 155, 185); /* oklch */ color: oklch(64.1% 0.107 219.9);
Tailwind
colors: {
custom: {
50: '#79b8ce',
500: '#279bb9',
950: '#000000',
},
}SCSS
$custom: #279bb9; $custom-light: #79b8ce; $custom-dark: #000000;
JSON
{
"hex": "#279bb9",
"rgb": {
"r": 39,
"g": 155,
"b": 185
},
"hsl": {
"h": 192.329,
"s": 65.179,
"l": 43.922
},
"oklch": {
"l": 0.64082,
"c": 0.1068,
"h": 219.9
},
"luminance": 0.27377
}Semantic roles & 50–950 ramp
primary
#279BB9
secondary
#CA8472
accent
#6240E8
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1113
muted
#7C8082