#42A6CA#42A6CA
#42A6CA is a light, moderate cyan. Relative luminance 0.327; OKLCH L 68.2% C 0.105 H 225.5°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).
Color values
| HEX | #42A6CA |
|---|---|
| RGB | rgb(66, 166, 202) |
| HSL | hsl(196, 56%, 53%) |
| HSV | hsv(196, 67%, 79%) |
| CMYK | cmyk(67.3%, 17.8%, 0%, 20.8%) |
| CIE-LAB | lab(63.91, -17.64, -26.90) |
| CIE-LCH | lch(63.91, 32.16, 236.74°) |
| OKLab | oklab(68.16% -0.0739 -0.0752) |
| OKLCH | oklch(68.16% 0.105 225.5) |
| XYZ | xyz(26.5394, 32.6921, 60.7772) |
| Luminance | 0.3270 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 7.13
Turquoise Blue
#06B1C4
ΔE00 8.21
Deepskyblue
#00BFFF
ΔE00 8.92
Bluegrey
#85A3B2
ΔE00 9.88
Bright Sky Blue
#02CCFE
ΔE00 10.50
Lightblue (survey)
#7BC8F6
ΔE00 11.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42A6CA #CA6642
analogous
#42CAAA #42A6CA #4262CA
triadic
#42A6CA #CA42A6 #A6CA42
tetradic
#42A6CA #AA42CA #CA6642 #62CA42
square
#42A6CA #AA42CA #CA6642 #62CA42
split-complementary
#42A6CA #CA4262 #CAAA42
monochromatic
#205C72 #2D83A2 #42A6CA #72BDD7 #A2D3E5
Accessibility & contrast
On white
2.79
#42A6CA on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.54
#42A6CA on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #42A6CA
7.54:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42A6CA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##42A6CA | 1.00 | 2.79 | 7.54 | 7.54 |
| #FFFFFF | 2.79 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.54 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.54 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#92A3CC
Deuteranopia (green-blind)
#7F95CA
Tritanopia (blue-blind)
#00B1B2
Achromatopsia (no color)
#9B9B9B
Design tokens & code
CSS
--color: #42a6ca; /* rgb */ color: rgb(66, 166, 202); /* oklch */ color: oklch(68.2% 0.105 225.5);
Tailwind
colors: {
custom: {
50: '#86c0da',
500: '#42a6ca',
950: '#000000',
},
}SCSS
$custom: #42a6ca; $custom-light: #86c0da; $custom-dark: #000000;
JSON
{
"hex": "#42a6ca",
"rgb": {
"r": 66,
"g": 166,
"b": 202
},
"hsl": {
"h": 195.882,
"s": 56.198,
"l": 52.549
},
"oklch": {
"l": 0.6816,
"c": 0.10543,
"h": 225.5
},
"luminance": 0.32695
}Semantic roles & 50–950 ramp
primary
#42A6CA
secondary
#D1A696
accent
#7048DF
background
#F8FBFD
surface
#F0F7FA
border
#CBD0D3
text
#0C1214
muted
#7D8183