#42BBCC#42BBCC
#42BBCC is a light, moderate teal. Relative luminance 0.411; OKLCH L 73.2% C 0.107 H 208.4°. Best body text is #000000 at 9.21:1 contrast (WCAG AA passes).
Color values
| HEX | #42BBCC |
|---|---|
| RGB | rgb(66, 187, 204) |
| HSL | hsl(187, 58%, 53%) |
| HSV | hsv(187, 68%, 80%) |
| CMYK | cmyk(67.6%, 8.3%, 0%, 20%) |
| CIE-LAB | lab(70.21, -27.77, -18.37) |
| CIE-LCH | lch(70.21, 33.30, 213.49°) |
| OKLab | oklab(73.25% -0.0945 -0.051) |
| OKLCH | oklch(73.25% 0.107 208.4) |
| XYZ | xyz(30.9115, 41.0550, 63.4103) |
| Luminance | 0.4106 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 3.48
Aqua Blue
#02D8E9
ΔE00 7.54
Darkturquoise
#00CED1
ΔE00 7.79
Neon Blue
#04D9FF
ΔE00 9.16
Mediumturquoise
#48D1CC
ΔE00 9.77
Bright Sky Blue
#02CCFE
ΔE00 9.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42BBCC #CC5342
analogous
#42CC98 #42BBCC #4276CC
triadic
#42BBCC #CC42BB #BBCC42
tetradic
#42BBCC #9842CC #CC5342 #76CC42
square
#42BBCC #9842CC #CC5342 #76CC42
split-complementary
#42BBCC #CC4276 #CC9842
monochromatic
#1F6A74 #2C96A4 #42BBCC #72CCD9 #A2DEE6
Accessibility & contrast
On white
2.28
#42BBCC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.21
#42BBCC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #42BBCC
9.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42BBCC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##42BBCC | 1.00 | 2.28 | 9.21 | 9.21 |
| #FFFFFF | 2.28 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.21 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.21 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#ABB4CD
Deuteranopia (green-blind)
#97A5CC
Tritanopia (blue-blind)
#00C3C0
Achromatopsia (no color)
#ACACAC
Design tokens & code
CSS
--color: #42bbcc; /* rgb */ color: rgb(66, 187, 204); /* oklch */ color: oklch(73.2% 0.107 208.4);
Tailwind
colors: {
custom: {
50: '#88cfdb',
500: '#42bbcc',
950: '#000000',
},
}SCSS
$custom: #42bbcc; $custom-light: #88cfdb; $custom-dark: #000000;
JSON
{
"hex": "#42bbcc",
"rgb": {
"r": 66,
"g": 187,
"b": 204
},
"hsl": {
"h": 187.391,
"s": 57.5,
"l": 52.941
},
"oklch": {
"l": 0.73247,
"c": 0.10735,
"h": 208.4
},
"luminance": 0.41059
}Semantic roles & 50–950 ramp
primary
#42BBCC
secondary
#D39E97
accent
#5A47E1
background
#F9FCFD
surface
#F1F9FB
border
#CBD2D4
text
#0D1415
muted
#7E8283