#399CBD#399CBD
#399CBD is a light, moderate cyan. Relative luminance 0.283; OKLCH L 64.9% C 0.102 H 224.0°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).
Color values
| HEX | #399CBD |
|---|---|
| RGB | rgb(57, 156, 189) |
| HSL | hsl(195, 54%, 48%) |
| HSV | hsv(195, 70%, 74%) |
| CMYK | cmyk(69.8%, 17.5%, 0%, 25.9%) |
| CIE-LAB | lab(60.18, -17.86, -25.39) |
| CIE-LCH | lch(60.18, 31.05, 234.88°) |
| OKLab | oklab(64.93% -0.0734 -0.071) |
| OKLCH | oklch(64.93% 0.102 224) |
| XYZ | xyz(22.7574, 28.3184, 52.4009) |
| Luminance | 0.2832 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.55
Teal Blue
#01889F
ΔE00 8.51
Dirty Blue
#3F829D
ΔE00 8.98
Turquoise Blue
#06B1C4
ΔE00 9.01
Bluegrey
#85A3B2
ΔE00 10.46
Dusty Blue
#5A86AD
ΔE00 10.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#399CBD #BD5A39
analogous
#39BD9C #399CBD #395ABD
triadic
#399CBD #BD399C #9CBD39
tetradic
#399CBD #9C39BD #BD5A39 #5ABD39
square
#399CBD #9C39BD #BD5A39 #5ABD39
split-complementary
#399CBD #BD395A #BD9C39
monochromatic
#1D4E5F #2B758E #399CBD #63B5D0 #92CBDE
Accessibility & contrast
On white
3.15
#399CBD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.66
#399CBD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #399CBD
6.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##399CBD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##399CBD | 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)
#8999BF
Deuteranopia (green-blind)
#778BBD
Tritanopia (blue-blind)
#00A6A7
Achromatopsia (no color)
#919191
Design tokens & code
CSS
--color: #399cbd; /* rgb */ color: rgb(57, 156, 189); /* oklch */ color: oklch(64.9% 0.102 224.0);
Tailwind
colors: {
custom: {
50: '#80b9d1',
500: '#399cbd',
950: '#000000',
},
}SCSS
$custom: #399cbd; $custom-light: #80b9d1; $custom-dark: #000000;
JSON
{
"hex": "#399cbd",
"rgb": {
"r": 57,
"g": 156,
"b": 189
},
"hsl": {
"h": 195,
"s": 53.659,
"l": 48.235
},
"oklch": {
"l": 0.64934,
"c": 0.10213,
"h": 224
},
"luminance": 0.28321
}Semantic roles & 50–950 ramp
primary
#399CBD
secondary
#C99989
accent
#6F4BDD
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1114
muted
#7C8082