#4E91B7#4E91B7
#4E91B7 is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.8% C 0.089 H 235.5°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).
Color values
| HEX | #4E91B7 |
|---|---|
| RGB | rgb(78, 145, 183) |
| HSL | hsl(202, 42%, 51%) |
| HSV | hsv(202, 57%, 72%) |
| CMYK | cmyk(57.4%, 20.8%, 0%, 28.2%) |
| CIE-LAB | lab(57.35, -10.07, -26.29) |
| CIE-LCH | lch(57.35, 28.15, 249.05°) |
| OKLab | oklab(62.8% -0.0505 -0.0734) |
| OKLCH | oklch(62.8% 0.089 235.5) |
| XYZ | xyz(21.8113, 25.2874, 48.5221) |
| Luminance | 0.2529 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusty Blue
#5A86AD
ΔE00 5.41
Off Blue
#5684AE
ΔE00 5.99
Cool Blue
#4984B8
ΔE00 6.09
Steel Blue
#4682B4
ΔE00 6.35
Water Blue
#0E87CC
ΔE00 6.53
Dirty Blue
#3F829D
ΔE00 6.84
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4E91B7 #B7744E
analogous
#4EB7A8 #4E91B7 #4E5CB7
triadic
#4E91B7 #B74E91 #91B74E
tetradic
#4E91B7 #A84EB7 #B7744E #5CB74E
square
#4E91B7 #A84EB7 #B7744E #5CB74E
split-complementary
#4E91B7 #B74E5C #B7A84E
monochromatic
#284D63 #3A708E #4E91B7 #7AACC9 #A5C7DA
Accessibility & contrast
On white
3.47
#4E91B7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.06
#4E91B7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4E91B7
6.06:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4E91B7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4E91B7 | 1.00 | 3.47 | 6.06 | 6.06 |
| #FFFFFF | 3.47 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.06 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.06 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7F90B9
Deuteranopia (green-blind)
#7185B6
Tritanopia (blue-blind)
#009B9E
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #4e91b7; /* rgb */ color: rgb(78, 145, 183); /* oklch */ color: oklch(62.8% 0.089 235.5);
Tailwind
colors: {
custom: {
50: '#88b1cc',
500: '#4e91b7',
950: '#000000',
},
}SCSS
$custom: #4e91b7; $custom-light: #88b1cc; $custom-dark: #000000;
JSON
{
"hex": "#4e91b7",
"rgb": {
"r": 78,
"g": 145,
"b": 183
},
"hsl": {
"h": 201.714,
"s": 42.169,
"l": 51.176
},
"oklch": {
"l": 0.62802,
"c": 0.08912,
"h": 235.5
},
"luminance": 0.25289
}Semantic roles & 50–950 ramp
primary
#4E91B7
secondary
#C8AA99
accent
#8356D2
background
#F8FAFC
surface
#F0F5F9
border
#CBCFD2
text
#0C1013
muted
#7D7F82