#4A91CF#4A91CF
#4A91CF is a light, moderate cyan. Relative luminance 0.262; OKLCH L 63.8% C 0.118 H 247.2°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).
Color values
| HEX | #4A91CF |
|---|---|
| RGB | rgb(74, 145, 207) |
| HSL | hsl(208, 58%, 55%) |
| HSV | hsv(208, 64%, 81%) |
| CMYK | cmyk(64.3%, 30%, 0%, 18.8%) |
| CIE-LAB | lab(58.24, -3.04, -38.49) |
| CIE-LCH | lch(58.24, 38.61, 265.48°) |
| OKLab | oklab(63.8% -0.0456 -0.1087) |
| OKLCH | oklch(63.8% 0.118 247.2) |
| XYZ | xyz(24.2077, 26.2092, 62.8025) |
| Luminance | 0.2621 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.93
Dodgerblue
#1E90FF
ΔE00 4.27
Azure (survey)
#069AF3
ΔE00 4.66
Cool Blue
#4984B8
ΔE00 4.86
Water Blue
#0E87CC
ΔE00 4.87
Cerulean (survey)
#0485D1
ΔE00 5.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4A91CF #CF884A
analogous
#4ACFCB #4A91CF #4A4ECF
triadic
#4A91CF #CF4A91 #91CF4A
tetradic
#4A91CF #CB4ACF #CF884A #4ECF4A
square
#4A91CF #CB4ACF #CF884A #4ECF4A
split-complementary
#4A91CF #CF4A4E #CFCB4A
monochromatic
#21527D #2E72AE #4A91CF #7AAEDC #ABCCE9
Accessibility & contrast
On white
3.36
#4A91CF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.24
#4A91CF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4A91CF
6.24:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4A91CF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4A91CF | 1.00 | 3.36 | 6.24 | 6.24 |
| #FFFFFF | 3.36 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.24 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.24 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7693D2
Deuteranopia (green-blind)
#6486CE
Tritanopia (blue-blind)
#00A0A7
Achromatopsia (no color)
#8C8C8C
Design tokens & code
CSS
--color: #4a91cf; /* rgb */ color: rgb(74, 145, 207); /* oklch */ color: oklch(63.8% 0.118 247.2);
Tailwind
colors: {
custom: {
50: '#89b1de',
500: '#4a91cf',
950: '#000000',
},
}SCSS
$custom: #4a91cf; $custom-light: #89b1de; $custom-dark: #000000;
JSON
{
"hex": "#4a91cf",
"rgb": {
"r": 74,
"g": 145,
"b": 207
},
"hsl": {
"h": 207.97,
"s": 58.079,
"l": 55.098
},
"oklch": {
"l": 0.63796,
"c": 0.11783,
"h": 247.2
},
"luminance": 0.26212
}Semantic roles & 50–950 ramp
primary
#4A91CF
secondary
#D6B99F
accent
#8F46E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0D1015
muted
#7D7F83