#4F91C3#4F91C3
#4F91C3 is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.4% C 0.101 H 243.2°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).
Color values
| HEX | #4F91C3 |
|---|---|
| RGB | rgb(79, 145, 195) |
| HSL | hsl(206, 49%, 54%) |
| HSV | hsv(206, 59%, 76%) |
| CMYK | cmyk(59.5%, 25.6%, 0%, 23.5%) |
| CIE-LAB | lab(57.90, -6.05, -32.25) |
| CIE-LCH | lch(57.90, 32.81, 259.37°) |
| OKLab | oklab(63.41% -0.0457 -0.0905) |
| OKLCH | oklch(63.41% 0.101 243.2) |
| XYZ | xyz(23.1965, 25.8510, 55.3865) |
| Luminance | 0.2585 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 4.58
Cool Blue
#4984B8
ΔE00 4.63
Dusty Blue
#5A86AD
ΔE00 4.79
Water Blue
#0E87CC
ΔE00 4.97
Faded Blue
#658CBB
ΔE00 5.02
Off Blue
#5684AE
ΔE00 5.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4F91C3 #C3814F
analogous
#4FC3BB #4F91C3 #4F57C3
triadic
#4F91C3 #C34F91 #91C34F
tetradic
#4F91C3 #BB4FC3 #C3814F #57C34F
square
#4F91C3 #BB4FC3 #C3814F #57C34F
split-complementary
#4F91C3 #C34F57 #C3BB4F
monochromatic
#275171 #36729F #4F91C3 #7DAED3 #AACAE2
Accessibility & contrast
On white
3.40
#4F91C3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.17
#4F91C3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4F91C3
6.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4F91C3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4F91C3 | 1.00 | 3.40 | 6.17 | 6.17 |
| #FFFFFF | 3.40 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.17 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.17 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7B92C5
Deuteranopia (green-blind)
#6B86C2
Tritanopia (blue-blind)
#009DA2
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #4f91c3; /* rgb */ color: rgb(79, 145, 195); /* oklch */ color: oklch(63.4% 0.101 243.2);
Tailwind
colors: {
custom: {
50: '#8ab1d5',
500: '#4f91c3',
950: '#000000',
},
}SCSS
$custom: #4f91c3; $custom-light: #8ab1d5; $custom-dark: #000000;
JSON
{
"hex": "#4f91c3",
"rgb": {
"r": 79,
"g": 145,
"b": 195
},
"hsl": {
"h": 205.862,
"s": 49.153,
"l": 53.725
},
"oklch": {
"l": 0.63406,
"c": 0.10138,
"h": 243.2
},
"luminance": 0.25853
}Semantic roles & 50–950 ramp
primary
#4F91C3
secondary
#D0B39E
accent
#8A4FD9
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1014
muted
#7D7F83