#439BB2#439BB2
#439BB2 is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.5% C 0.090 H 217.8°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).
Color values
| HEX | #439BB2 |
|---|---|
| RGB | rgb(67, 155, 178) |
| HSL | hsl(192, 45%, 48%) |
| HSV | hsv(192, 62%, 70%) |
| CMYK | cmyk(62.4%, 12.9%, 0%, 30.2%) |
| CIE-LAB | lab(59.75, -19.20, -19.82) |
| CIE-LCH | lch(59.75, 27.59, 225.90°) |
| OKLab | oklab(64.54% -0.071 -0.0551) |
| OKLCH | oklch(64.54% 0.09 217.8) |
| XYZ | xyz(22.0687, 27.8481, 46.3230) |
| Luminance | 0.2785 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Teal Blue
#01889F
ΔE00 7.45
Greyblue
#77A1B5
ΔE00 7.56
Turquoise Blue
#06B1C4
ΔE00 7.73
Cadetblue
#5F9EA0
ΔE00 7.91
Dirty Blue
#3F829D
ΔE00 8.99
Bluegrey
#85A3B2
ΔE00 10.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#439BB2 #B25A43
analogous
#43B291 #439BB2 #4364B2
triadic
#439BB2 #B2439B #9BB243
tetradic
#439BB2 #9143B2 #B25A43 #64B243
square
#439BB2 #9143B2 #B25A43 #64B243
split-complementary
#439BB2 #B24364 #B29143
monochromatic
#224E59 #327486 #439BB2 #6BB4C7 #97CBD8
Accessibility & contrast
On white
3.20
#439BB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.57
#439BB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #439BB2
6.57:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##439BB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##439BB2 | 1.00 | 3.20 | 6.57 | 6.57 |
| #FFFFFF | 3.20 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.57 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.57 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8C97B3
Deuteranopia (green-blind)
#7C8BB2
Tritanopia (blue-blind)
#00A3A2
Achromatopsia (no color)
#909090
Design tokens & code
CSS
--color: #439bb2; /* rgb */ color: rgb(67, 155, 178); /* oklch */ color: oklch(64.5% 0.090 217.8);
Tailwind
colors: {
custom: {
50: '#83b8c9',
500: '#439bb2',
950: '#000000',
},
}SCSS
$custom: #439bb2; $custom-light: #83b8c9; $custom-dark: #000000;
JSON
{
"hex": "#439bb2",
"rgb": {
"r": 67,
"g": 155,
"b": 178
},
"hsl": {
"h": 192.432,
"s": 45.306,
"l": 48.039
},
"oklch": {
"l": 0.64539,
"c": 0.08987,
"h": 217.8
},
"luminance": 0.2785
}Semantic roles & 50–950 ramp
primary
#439BB2
secondary
#C4988D
accent
#6E53D5
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1113
muted
#7D8082