#4283DA#4283DA
#4283DA is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 61.0% C 0.148 H 256.5°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).
Color values
| HEX | #4283DA |
|---|---|
| RGB | rgb(66, 131, 218) |
| HSL | hsl(214, 67%, 56%) |
| HSV | hsv(214, 70%, 85%) |
| CMYK | cmyk(69.7%, 39.9%, 0%, 14.5%) |
| CIE-LAB | lab(54.50, 7.75, -50.60) |
| CIE-LCH | lch(54.50, 51.19, 278.71°) |
| OKLab | oklab(60.97% -0.0346 -0.1443) |
| OKLCH | oklch(60.97% 0.148 256.5) |
| XYZ | xyz(23.0133, 22.4504, 69.4366) |
| Luminance | 0.2245 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure
#007FFF
ΔE00 3.38
Dodger Blue
#3E82FC
ΔE00 3.81
Dark Sky Blue
#448EE4
ΔE00 3.87
Cool Blue
#4984B8
ΔE00 4.07
Clear Blue
#247AFD
ΔE00 4.39
Steel Blue
#4682B4
ΔE00 4.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4283DA #DA9942
analogous
#42CFDA #4283DA #4D42DA
triadic
#4283DA #DA4283 #83DA42
tetradic
#4283DA #DA42CF #DA9942 #42DA4D
square
#4283DA #DA42CF #DA9942 #42DA4D
split-complementary
#4283DA #DA4D42 #CFDA42
monochromatic
#1A4987 #2465BA #4283DA #75A5E4 #A8C6EE
Accessibility & contrast
On white
3.82
#4283DA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.49
#4283DA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4283DA
5.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4283DA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4283DA | 1.00 | 3.82 | 5.49 | 5.49 |
| #FFFFFF | 3.82 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.49 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.49 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5B8ADD
Deuteranopia (green-blind)
#437CD8
Tritanopia (blue-blind)
#0097A4
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #4283da; /* rgb */ color: rgb(66, 131, 218); /* oklch */ color: oklch(61.0% 0.148 256.5);
Tailwind
colors: {
custom: {
50: '#87a6e6',
500: '#4283da',
950: '#000000',
},
}SCSS
$custom: #4283da; $custom-light: #87a6e6; $custom-dark: #000000;
JSON
{
"hex": "#4283da",
"rgb": {
"r": 66,
"g": 131,
"b": 218
},
"hsl": {
"h": 214.342,
"s": 67.257,
"l": 55.686
},
"oklch": {
"l": 0.60973,
"c": 0.14838,
"h": 256.5
},
"luminance": 0.22453
}Semantic roles & 50–950 ramp
primary
#4283DA
secondary
#DBC09C
accent
#A03EEA
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D0F16
muted
#7E7F84