#42ABCC#42ABCC
#42ABCC is a light, moderate cyan. Relative luminance 0.346; OKLCH L 69.4% C 0.106 H 222.4°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).
Color values
| HEX | #42ABCC |
|---|---|
| RGB | rgb(66, 171, 204) |
| HSL | hsl(194, 58%, 53%) |
| HSV | hsv(194, 68%, 80%) |
| CMYK | cmyk(67.6%, 16.2%, 0%, 20%) |
| CIE-LAB | lab(65.47, -19.64, -25.61) |
| CIE-LCH | lch(65.47, 32.27, 232.52°) |
| OKLab | oklab(69.43% -0.0782 -0.0715) |
| OKLCH | oklch(69.43% 0.106 222.4) |
| XYZ | xyz(27.7043, 34.6406, 62.3413) |
| Luminance | 0.3464 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.70
Greyblue
#77A1B5
ΔE00 7.61
Deepskyblue
#00BFFF
ΔE00 8.71
Bright Sky Blue
#02CCFE
ΔE00 9.34
Bluegrey
#85A3B2
ΔE00 10.17
Lightblue (survey)
#7BC8F6
ΔE00 10.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42ABCC #CC6342
analogous
#42CCA8 #42ABCC #4266CC
triadic
#42ABCC #CC42AB #ABCC42
tetradic
#42ABCC #A842CC #CC6342 #66CC42
square
#42ABCC #A842CC #CC6342 #66CC42
split-complementary
#42ABCC #CC4266 #CCA842
monochromatic
#1F6074 #2C88A4 #42ABCC #72C0D9 #A2D6E6
Accessibility & contrast
On white
2.65
#42ABCC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.93
#42ABCC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #42ABCC
7.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42ABCC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##42ABCC | 1.00 | 2.65 | 7.93 | 7.93 |
| #FFFFFF | 2.65 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.93 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.93 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#98A7CE
Deuteranopia (green-blind)
#8599CC
Tritanopia (blue-blind)
#00B5B6
Achromatopsia (no color)
#9F9F9F
Design tokens & code
CSS
--color: #42abcc; /* rgb */ color: rgb(66, 171, 204); /* oklch */ color: oklch(69.4% 0.106 222.4);
Tailwind
colors: {
custom: {
50: '#86c4db',
500: '#42abcc',
950: '#000000',
},
}SCSS
$custom: #42abcc; $custom-light: #86c4db; $custom-dark: #000000;
JSON
{
"hex": "#42abcc",
"rgb": {
"r": 66,
"g": 171,
"b": 204
},
"hsl": {
"h": 194.348,
"s": 57.5,
"l": 52.941
},
"oklch": {
"l": 0.69431,
"c": 0.106,
"h": 222.4
},
"luminance": 0.34644
}Semantic roles & 50–950 ramp
primary
#42ABCC
secondary
#D3A597
accent
#6C47E1
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1215
muted
#7D8183