#399DC1#399DC1
#399DC1 is a light, moderate cyan. Relative luminance 0.288; OKLCH L 65.4% C 0.105 H 226.0°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).
Color values
| HEX | #399DC1 |
|---|---|
| RGB | rgb(57, 157, 193) |
| HSL | hsl(196, 54%, 49%) |
| HSV | hsv(196, 70%, 76%) |
| CMYK | cmyk(70.5%, 18.7%, 0%, 24.3%) |
| CIE-LAB | lab(60.63, -17.09, -26.94) |
| CIE-LCH | lch(60.63, 31.90, 237.61°) |
| OKLab | oklab(65.35% -0.0729 -0.0754) |
| OKLCH | oklch(65.35% 0.105 226) |
| XYZ | xyz(23.3660, 28.8314, 54.7753) |
| Luminance | 0.2883 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.53
Teal Blue
#01889F
ΔE00 9.28
Dirty Blue
#3F829D
ΔE00 9.39
Turquoise Blue
#06B1C4
ΔE00 9.49
Bluegrey
#85A3B2
ΔE00 10.43
Dusty Blue
#5A86AD
ΔE00 10.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#399DC1 #C15D39
analogous
#39C1A1 #399DC1 #3959C1
triadic
#399DC1 #C1399D #9DC139
tetradic
#399DC1 #A139C1 #C15D39 #59C139
square
#399DC1 #A139C1 #C15D39 #59C139
split-complementary
#399DC1 #C13959 #C1A139
monochromatic
#1D5063 #2B7792 #399DC1 #66B5D2 #95CCE0
Accessibility & contrast
On white
3.10
#399DC1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.77
#399DC1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #399DC1
6.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##399DC1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##399DC1 | 1.00 | 3.10 | 6.77 | 6.77 |
| #FFFFFF | 3.10 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.77 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.77 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#899AC3
Deuteranopia (green-blind)
#778CC1
Tritanopia (blue-blind)
#00A8A9
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #399dc1; /* rgb */ color: rgb(57, 157, 193); /* oklch */ color: oklch(65.4% 0.105 226.0);
Tailwind
colors: {
custom: {
50: '#81bad3',
500: '#399dc1',
950: '#000000',
},
}SCSS
$custom: #399dc1; $custom-light: #81bad3; $custom-dark: #000000;
JSON
{
"hex": "#399dc1",
"rgb": {
"r": 57,
"g": 157,
"b": 193
},
"hsl": {
"h": 195.882,
"s": 54.4,
"l": 49.02
},
"oklch": {
"l": 0.65352,
"c": 0.10491,
"h": 226
},
"luminance": 0.28834
}Semantic roles & 50–950 ramp
primary
#399DC1
secondary
#CB9C8B
accent
#714ADE
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1114
muted
#7D8082