#439BBF#439BBF
#439BBF is a light, moderate cyan. Relative luminance 0.284; OKLCH L 65.1% C 0.099 H 228.2°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).
Color values
| HEX | #439BBF |
|---|---|
| RGB | rgb(67, 155, 191) |
| HSL | hsl(197, 49%, 51%) |
| HSV | hsv(197, 65%, 75%) |
| CMYK | cmyk(64.9%, 18.8%, 0%, 25.1%) |
| CIE-LAB | lab(60.24, -15.10, -26.39) |
| CIE-LCH | lch(60.24, 30.41, 240.22°) |
| OKLab | oklab(65.1% -0.066 -0.0738) |
| OKLCH | oklch(65.1% 0.099 228.2) |
| XYZ | xyz(23.4363, 28.3951, 53.5258) |
| Luminance | 0.2840 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.02
Dirty Blue
#3F829D
ΔE00 8.86
Teal Blue
#01889F
ΔE00 9.42
Dusty Blue
#5A86AD
ΔE00 9.46
Bluegrey
#85A3B2
ΔE00 9.91
Water Blue
#0E87CC
ΔE00 10.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#439BBF #BF6743
analogous
#43BFA5 #439BBF #435DBF
triadic
#439BBF #BF439B #9BBF43
tetradic
#439BBF #A543BF #BF6743 #5DBF43
square
#439BBF #A543BF #BF6743 #5DBF43
split-complementary
#439BBF #BF435D #BFA543
monochromatic
#225265 #327793 #439BBF #71B3CF #9ECCDE
Accessibility & contrast
On white
3.14
#439BBF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.68
#439BBF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #439BBF
6.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##439BBF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##439BBF | 1.00 | 3.14 | 6.68 | 6.68 |
| #FFFFFF | 3.14 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8898C1
Deuteranopia (green-blind)
#778CBF
Tritanopia (blue-blind)
#00A5A7
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #439bbf; /* rgb */ color: rgb(67, 155, 191); /* oklch */ color: oklch(65.1% 0.099 228.2);
Tailwind
colors: {
custom: {
50: '#84b8d2',
500: '#439bbf',
950: '#000000',
},
}SCSS
$custom: #439bbf; $custom-light: #84b8d2; $custom-dark: #000000;
JSON
{
"hex": "#439bbf",
"rgb": {
"r": 67,
"g": 155,
"b": 191
},
"hsl": {
"h": 197.419,
"s": 49.206,
"l": 50.588
},
"oklch": {
"l": 0.65097,
"c": 0.09899,
"h": 228.2
},
"luminance": 0.28398
}Semantic roles & 50–950 ramp
primary
#439BBF
secondary
#CAA393
accent
#774FD9
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082