#439FB4#439FB4
#439FB4 is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.6% C 0.091 H 215.3°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).
Color values
| HEX | #439FB4 |
|---|---|
| RGB | rgb(67, 159, 180) |
| HSL | hsl(191, 46%, 48%) |
| HSV | hsv(191, 63%, 71%) |
| CMYK | cmyk(62.8%, 11.7%, 0%, 29.4%) |
| CIE-LAB | lab(61.03, -20.68, -19.00) |
| CIE-LCH | lch(61.03, 28.08, 222.56°) |
| OKLab | oklab(65.59% -0.0745 -0.0528) |
| OKLCH | oklch(65.59% 0.091 215.3) |
| XYZ | xyz(22.9477, 29.2825, 47.6139) |
| Luminance | 0.2928 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.29
Cadetblue
#5F9EA0
ΔE00 7.11
Greyblue
#77A1B5
ΔE00 7.83
Teal Blue
#01889F
ΔE00 8.46
Bluegrey
#85A3B2
ΔE00 10.43
Dirty Blue
#3F829D
ΔE00 10.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#439FB4 #B45843
analogous
#43B490 #439FB4 #4367B4
triadic
#439FB4 #B4439F #9FB443
tetradic
#439FB4 #9043B4 #B45843 #67B443
square
#439FB4 #9043B4 #B45843 #67B443
split-complementary
#439FB4 #B44367 #B49043
monochromatic
#22505B #327887 #439FB4 #6CB7C8 #99CDD9
Accessibility & contrast
On white
3.06
#439FB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.86
#439FB4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #439FB4
6.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##439FB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##439FB4 | 1.00 | 3.06 | 6.86 | 6.86 |
| #FFFFFF | 3.06 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.86 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.86 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#909AB5
Deuteranopia (green-blind)
#808EB4
Tritanopia (blue-blind)
#00A7A5
Achromatopsia (no color)
#939393
Design tokens & code
CSS
--color: #439fb4; /* rgb */ color: rgb(67, 159, 180); /* oklch */ color: oklch(65.6% 0.091 215.3);
Tailwind
colors: {
custom: {
50: '#83bbca',
500: '#439fb4',
950: '#000000',
},
}SCSS
$custom: #439fb4; $custom-light: #83bbca; $custom-dark: #000000;
JSON
{
"hex": "#439fb4",
"rgb": {
"r": 67,
"g": 159,
"b": 180
},
"hsl": {
"h": 191.15,
"s": 45.749,
"l": 48.431
},
"oklch": {
"l": 0.65589,
"c": 0.09132,
"h": 215.3
},
"luminance": 0.29285
}Semantic roles & 50–950 ramp
primary
#439FB4
secondary
#C5988E
accent
#6B52D5
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1213
muted
#7D8182