#399EBA#399EBA
#399EBA is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.3% C 0.100 H 219.9°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).
Color values
| HEX | #399EBA |
|---|---|
| RGB | rgb(57, 158, 186) |
| HSL | hsl(193, 53%, 48%) |
| HSV | hsv(193, 69%, 73%) |
| CMYK | cmyk(69.4%, 15.1%, 0%, 27.1%) |
| CIE-LAB | lab(60.66, -19.89, -22.96) |
| CIE-LCH | lch(60.66, 30.38, 229.09°) |
| OKLab | oklab(65.29% -0.0766 -0.0641) |
| OKLCH | oklch(65.29% 0.1 219.9) |
| XYZ | xyz(22.7735, 28.8662, 50.8164) |
| Luminance | 0.2887 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 7.40
Greyblue
#77A1B5
ΔE00 7.72
Teal Blue
#01889F
ΔE00 8.29
Cadetblue
#5F9EA0
ΔE00 9.30
Dirty Blue
#3F829D
ΔE00 9.68
Bluegrey
#85A3B2
ΔE00 10.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#399EBA #BA5539
analogous
#39BA95 #399EBA #395EBA
triadic
#399EBA #BA399E #9EBA39
tetradic
#399EBA #9539BA #BA5539 #5EBA39
square
#399EBA #9539BA #BA5539 #5EBA39
split-complementary
#399EBA #BA395E #BA9539
monochromatic
#1C4E5C #2B768B #399EBA #61B7CF #90CCDD
Accessibility & contrast
On white
3.10
#399EBA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.77
#399EBA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #399EBA
6.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##399EBA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##399EBA | 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)
#8D9ABC
Deuteranopia (green-blind)
#7B8DBA
Tritanopia (blue-blind)
#00A7A7
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #399eba; /* rgb */ color: rgb(57, 158, 186); /* oklch */ color: oklch(65.3% 0.100 219.9);
Tailwind
colors: {
custom: {
50: '#80bace',
500: '#399eba',
950: '#000000',
},
}SCSS
$custom: #399eba; $custom-light: #80bace; $custom-dark: #000000;
JSON
{
"hex": "#399eba",
"rgb": {
"r": 57,
"g": 158,
"b": 186
},
"hsl": {
"h": 193.023,
"s": 53.086,
"l": 47.647
},
"oklch": {
"l": 0.65287,
"c": 0.09988,
"h": 219.9
},
"luminance": 0.28869
}Semantic roles & 50–950 ramp
primary
#399EBA
secondary
#C89587
accent
#6B4BDC
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0B1113
muted
#7C8082