#439CB5#439CB5
#439CB5 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.9% C 0.092 H 219.3°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).
Color values
| HEX | #439CB5 |
|---|---|
| RGB | rgb(67, 156, 181) |
| HSL | hsl(193, 46%, 49%) |
| HSV | hsv(193, 63%, 71%) |
| CMYK | cmyk(63%, 13.8%, 0%, 29%) |
| CIE-LAB | lab(60.16, -18.80, -20.88) |
| CIE-LCH | lch(60.16, 28.10, 228.00°) |
| OKLab | oklab(64.91% -0.0709 -0.0581) |
| OKLCH | oklch(64.91% 0.092 219.3) |
| XYZ | xyz(22.5403, 28.3041, 47.9824) |
| Luminance | 0.2831 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.25
Turquoise Blue
#06B1C4
ΔE00 7.79
Teal Blue
#01889F
ΔE00 7.88
Cadetblue
#5F9EA0
ΔE00 8.50
Dirty Blue
#3F829D
ΔE00 9.13
Bluegrey
#85A3B2
ΔE00 10.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#439CB5 #B55C43
analogous
#43B595 #439CB5 #4363B5
triadic
#439CB5 #B5439C #9CB543
tetradic
#439CB5 #9543B5 #B55C43 #63B543
square
#439CB5 #9543B5 #B55C43 #63B543
split-complementary
#439CB5 #B54363 #B59543
monochromatic
#224F5C #327688 #439CB5 #6CB5C9 #99CBD9
Accessibility & contrast
On white
3.15
#439CB5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.66
#439CB5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #439CB5
6.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##439CB5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##439CB5 | 1.00 | 3.15 | 6.66 | 6.66 |
| #FFFFFF | 3.15 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.66 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.66 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8C98B6
Deuteranopia (green-blind)
#7C8CB5
Tritanopia (blue-blind)
#00A4A4
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #439cb5; /* rgb */ color: rgb(67, 156, 181); /* oklch */ color: oklch(64.9% 0.092 219.3);
Tailwind
colors: {
custom: {
50: '#83b9cb',
500: '#439cb5',
950: '#000000',
},
}SCSS
$custom: #439cb5; $custom-light: #83b9cb; $custom-dark: #000000;
JSON
{
"hex": "#439cb5",
"rgb": {
"r": 67,
"g": 156,
"b": 181
},
"hsl": {
"h": 193.158,
"s": 45.968,
"l": 48.627
},
"oklch": {
"l": 0.64905,
"c": 0.09166,
"h": 219.3
},
"luminance": 0.28306
}Semantic roles & 50–950 ramp
primary
#439CB5
secondary
#C59B8F
accent
#6F52D6
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1113
muted
#7D8082