#279CBB#279CBB
#279CBB is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.4% C 0.108 H 220.5°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).
Color values
| HEX | #279CBB |
|---|---|
| RGB | rgb(39, 156, 187) |
| HSL | hsl(193, 65%, 44%) |
| HSV | hsv(193, 79%, 73%) |
| CMYK | cmyk(79.1%, 16.6%, 0%, 26.7%) |
| CIE-LAB | lab(59.70, -20.75, -25.03) |
| CIE-LCH | lch(59.70, 32.51, 230.34°) |
| OKLab | oklab(64.42% -0.0821 -0.0701) |
| OKLCH | oklch(64.42% 0.108 220.5) |
| XYZ | xyz(21.6910, 27.7934, 51.2255) |
| Luminance | 0.2780 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 7.63
Turquoise Blue
#06B1C4
ΔE00 8.06
Greyblue
#77A1B5
ΔE00 8.63
Dirty Blue
#3F829D
ΔE00 9.13
Cadetblue
#5F9EA0
ΔE00 10.22
Bluegrey
#85A3B2
ΔE00 11.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#279CBB #BB4627
analogous
#27BB90 #279CBB #2752BB
triadic
#279CBB #BB279C #9CBB27
tetradic
#279CBB #9027BB #BB4627 #52BB27
square
#279CBB #9027BB #BB4627 #52BB27
split-complementary
#279CBB #BB2752 #BB9027
monochromatic
#124856 #1C7288 #279CBB #47BAD9 #79CDE3
Accessibility & contrast
On white
3.20
#279CBB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.56
#279CBB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #279CBB
6.56:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##279CBB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##279CBB | 1.00 | 3.20 | 6.56 | 6.56 |
| #FFFFFF | 3.20 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.56 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.56 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8998BD
Deuteranopia (green-blind)
#768ABB
Tritanopia (blue-blind)
#00A6A6
Achromatopsia (no color)
#909090
Design tokens & code
CSS
--color: #279cbb; /* rgb */ color: rgb(39, 156, 187); /* oklch */ color: oklch(64.4% 0.108 220.5);
Tailwind
colors: {
custom: {
50: '#7ab9cf',
500: '#279cbb',
950: '#000000',
},
}SCSS
$custom: #279cbb; $custom-light: #7ab9cf; $custom-dark: #000000;
JSON
{
"hex": "#279cbb",
"rgb": {
"r": 39,
"g": 156,
"b": 187
},
"hsl": {
"h": 192.568,
"s": 65.487,
"l": 44.314
},
"oklch": {
"l": 0.64415,
"c": 0.10793,
"h": 220.5
},
"luminance": 0.27796
}Semantic roles & 50–950 ramp
primary
#279CBB
secondary
#CB8573
accent
#633FE8
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1113
muted
#7C8082