#399FBD#399FBD
#399FBD is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.7% C 0.102 H 221.2°. Best body text is #000000 at 6.87:1 contrast (WCAG AA passes).
Color values
| HEX | #399FBD |
|---|---|
| RGB | rgb(57, 159, 189) |
| HSL | hsl(194, 54%, 48%) |
| HSV | hsv(194, 70%, 74%) |
| CMYK | cmyk(69.8%, 15.9%, 0%, 25.9%) |
| CIE-LAB | lab(61.08, -19.46, -24.01) |
| CIE-LCH | lch(61.08, 30.90, 230.98°) |
| OKLab | oklab(65.66% -0.0765 -0.067) |
| OKLCH | oklch(65.66% 0.102 221.2) |
| XYZ | xyz(23.2670, 29.3376, 52.5707) |
| Luminance | 0.2934 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.56
Turquoise Blue
#06B1C4
ΔE00 7.60
Teal Blue
#01889F
ΔE00 8.79
Cadetblue
#5F9EA0
ΔE00 9.87
Dirty Blue
#3F829D
ΔE00 9.92
Bluegrey
#85A3B2
ΔE00 10.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#399FBD #BD5739
analogous
#39BD99 #399FBD #395DBD
triadic
#399FBD #BD399F #9FBD39
tetradic
#399FBD #9939BD #BD5739 #5DBD39
square
#399FBD #9939BD #BD5739 #5DBD39
split-complementary
#399FBD #BD395D #BD9939
monochromatic
#1D505F #2B778E #399FBD #63B7D0 #92CDDE
Accessibility & contrast
On white
3.06
#399FBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.87
#399FBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #399FBD
6.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##399FBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##399FBD | 1.00 | 3.06 | 6.87 | 6.87 |
| #FFFFFF | 3.06 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.87 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.87 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8D9BBF
Deuteranopia (green-blind)
#7B8EBD
Tritanopia (blue-blind)
#00A9A9
Achromatopsia (no color)
#939393
Design tokens & code
CSS
--color: #399fbd; /* rgb */ color: rgb(57, 159, 189); /* oklch */ color: oklch(65.7% 0.102 221.2);
Tailwind
colors: {
custom: {
50: '#80bbd1',
500: '#399fbd',
950: '#000000',
},
}SCSS
$custom: #399fbd; $custom-light: #80bbd1; $custom-dark: #000000;
JSON
{
"hex": "#399fbd",
"rgb": {
"r": 57,
"g": 159,
"b": 189
},
"hsl": {
"h": 193.636,
"s": 53.659,
"l": 48.235
},
"oklch": {
"l": 0.65658,
"c": 0.1017,
"h": 221.2
},
"luminance": 0.2934
}Semantic roles & 50–950 ramp
primary
#399FBD
secondary
#C99789
accent
#6C4BDD
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1214
muted
#7D8182