#42A2BB#42A2BB
#42A2BB is a light, moderate cyan. Relative luminance 0.306; OKLCH L 66.6% C 0.096 H 218.0°. Best body text is #000000 at 7.12:1 contrast (WCAG AA passes).
Color values
| HEX | #42A2BB |
|---|---|
| RGB | rgb(66, 162, 187) |
| HSL | hsl(192, 48%, 50%) |
| HSV | hsv(192, 65%, 73%) |
| CMYK | cmyk(64.7%, 13.4%, 0%, 26.7%) |
| CIE-LAB | lab(62.16, -20.26, -21.21) |
| CIE-LCH | lch(62.16, 29.34, 226.31°) |
| OKLab | oklab(66.57% -0.0755 -0.059) |
| OKLCH | oklch(66.57% 0.096 218) |
| XYZ | xyz(24.1331, 30.5842, 51.6356) |
| Luminance | 0.3059 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Turquoise Blue
#06B1C4
ΔE00 6.17
Greyblue
#77A1B5
ΔE00 7.37
Cadetblue
#5F9EA0
ΔE00 8.39
Teal Blue
#01889F
ΔE00 9.42
Bluegrey
#85A3B2
ΔE00 10.09
Dirty Blue
#3F829D
ΔE00 11.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42A2BB #BB5B42
analogous
#42BB98 #42A2BB #4265BB
triadic
#42A2BB #BB42A2 #A2BB42
tetradic
#42A2BB #9842BB #BB5B42 #65BB42
square
#42A2BB #9842BB #BB5B42 #65BB42
split-complementary
#42A2BB #BB4265 #BB9842
monochromatic
#225461 #327B8E #42A2BB #6EB9CC #9CCFDC
Accessibility & contrast
On white
2.95
#42A2BB on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.12
#42A2BB on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #42A2BB
7.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42A2BB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##42A2BB | 1.00 | 2.95 | 7.12 | 7.12 |
| #FFFFFF | 2.95 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.12 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.12 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#929EBC
Deuteranopia (green-blind)
#8091BB
Tritanopia (blue-blind)
#00ABAA
Achromatopsia (no color)
#969696
Design tokens & code
CSS
--color: #42a2bb; /* rgb */ color: rgb(66, 162, 187); /* oklch */ color: oklch(66.6% 0.096 218.0);
Tailwind
colors: {
custom: {
50: '#84bdcf',
500: '#42a2bb',
950: '#000000',
},
}SCSS
$custom: #42a2bb; $custom-light: #84bdcf; $custom-dark: #000000;
JSON
{
"hex": "#42a2bb",
"rgb": {
"r": 66,
"g": 162,
"b": 187
},
"hsl": {
"h": 192.397,
"s": 47.826,
"l": 49.608
},
"oklch": {
"l": 0.66567,
"c": 0.09585,
"h": 218
},
"luminance": 0.30587
}Semantic roles & 50–950 ramp
primary
#42A2BB
secondary
#C89C91
accent
#6C50D7
background
#F8FBFC
surface
#F0F6F9
border
#CBD0D2
text
#0C1213
muted
#7D8182