#42A1CA#42A1CA
#42A1CA is a light, moderate cyan. Relative luminance 0.309; OKLCH L 67.0% C 0.107 H 229.9°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).
Color values
| HEX | #42A1CA |
|---|---|
| RGB | rgb(66, 161, 202) |
| HSL | hsl(198, 56%, 53%) |
| HSV | hsv(198, 67%, 79%) |
| CMYK | cmyk(67.3%, 20.3%, 0%, 20.8%) |
| CIE-LAB | lab(62.43, -14.96, -29.18) |
| CIE-LCH | lch(62.43, 32.79, 242.85°) |
| OKLab | oklab(66.98% -0.0688 -0.0817) |
| OKLCH | oklch(66.98% 0.107 229.9) |
| XYZ | xyz(25.6481, 30.9095, 60.4801) |
| Luminance | 0.3091 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.29
Azure (survey)
#069AF3
ΔE00 9.04
Deepskyblue
#00BFFF
ΔE00 9.32
Bluegrey
#85A3B2
ΔE00 10.07
Turquoise Blue
#06B1C4
ΔE00 10.38
Water Blue
#0E87CC
ΔE00 10.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42A1CA #CA6B42
analogous
#42CAAF #42A1CA #425DCA
triadic
#42A1CA #CA42A1 #A1CA42
tetradic
#42A1CA #AF42CA #CA6B42 #5DCA42
square
#42A1CA #AF42CA #CA6B42 #5DCA42
split-complementary
#42A1CA #CA425D #CAAF42
monochromatic
#205972 #2D7EA2 #42A1CA #72B9D7 #A2D1E5
Accessibility & contrast
On white
2.92
#42A1CA on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.18
#42A1CA on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #42A1CA
7.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42A1CA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##42A1CA | 1.00 | 2.92 | 7.18 | 7.18 |
| #FFFFFF | 2.92 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8C9FCC
Deuteranopia (green-blind)
#7991C9
Tritanopia (blue-blind)
#00ACAF
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #42a1ca; /* rgb */ color: rgb(66, 161, 202); /* oklch */ color: oklch(67.0% 0.107 229.9);
Tailwind
colors: {
custom: {
50: '#86bcda',
500: '#42a1ca',
950: '#000000',
},
}SCSS
$custom: #42a1ca; $custom-light: #86bcda; $custom-dark: #000000;
JSON
{
"hex": "#42a1ca",
"rgb": {
"r": 66,
"g": 161,
"b": 202
},
"hsl": {
"h": 198.088,
"s": 56.198,
"l": 52.549
},
"oklch": {
"l": 0.66978,
"c": 0.10683,
"h": 229.9
},
"luminance": 0.30912
}Semantic roles & 50–950 ramp
primary
#42A1CA
secondary
#D1A896
accent
#7648DF
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1214
muted
#7D8183