#57CDEF#57CDEF
#57CDEF is a light, moderate cyan. Relative luminance 0.519; OKLCH L 79.4% C 0.115 H 220.1°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).
Color values
| HEX | #57CDEF |
|---|---|
| RGB | rgb(87, 205, 239) |
| HSL | hsl(193, 83%, 64%) |
| HSV | hsv(193, 64%, 94%) |
| CMYK | cmyk(63.6%, 14.2%, 0%, 6.3%) |
| CIE-LAB | lab(77.23, -23.04, -26.60) |
| CIE-LCH | lch(77.23, 35.19, 229.10°) |
| OKLab | oklab(79.45% -0.088 -0.0741) |
| OKLCH | oklch(79.45% 0.115 220.1) |
| XYZ | xyz(41.3355, 51.9165, 89.4871) |
| Luminance | 0.5192 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bright Sky Blue
#02CCFE
ΔE00 3.85
Neon Blue
#04D9FF
ΔE00 3.93
Sky Blue
#87CEEB
ΔE00 4.70
Baby Blue
#89CFF0
ΔE00 5.37
Lightblue (survey)
#7BC8F6
ΔE00 6.90
Lightskyblue
#87CEFA
ΔE00 7.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#57CDEF #EF7957
analogous
#57EFC5 #57CDEF #5781EF
triadic
#57CDEF #EF57CD #CDEF57
tetradic
#57CDEF #C557EF #EF7957 #81EF57
square
#57CDEF #C557EF #EF7957 #81EF57
split-complementary
#57CDEF #EF5781 #EFC557
monochromatic
#1294BA #1FBCEA #57CDEF #8FDEF4 #C7EEFA
Accessibility & contrast
On white
1.84
#57CDEF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
11.38
#57CDEF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #57CDEF
11.38:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##57CDEF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##57CDEF | 1.00 | 1.84 | 11.38 | 11.38 |
| #FFFFFF | 1.84 | 1.00 | 21.00 | 21.00 |
| #000000 | 11.38 | 21.00 | 1.00 | 1.00 |
| ##000000 | 11.38 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B8C8F1
Deuteranopia (green-blind)
#A2B8EF
Tritanopia (blue-blind)
#00D8D8
Achromatopsia (no color)
#BFBFBF
Design tokens & code
CSS
--color: #57cdef; /* rgb */ color: rgb(87, 205, 239); /* oklch */ color: oklch(79.4% 0.115 220.1);
Tailwind
colors: {
custom: {
50: '#96dcf4',
500: '#57cdef',
950: '#000000',
},
}SCSS
$custom: #57cdef; $custom-light: #96dcf4; $custom-dark: #000000;
JSON
{
"hex": "#57cdef",
"rgb": {
"r": 87,
"g": 205,
"b": 239
},
"hsl": {
"h": 193.421,
"s": 82.609,
"l": 63.922
},
"oklch": {
"l": 0.79446,
"c": 0.11507,
"h": 220.1
},
"luminance": 0.51921
}Semantic roles & 50–950 ramp
primary
#57CDEF
secondary
#B95031
accent
#3706DF
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0F1517
muted
#808485