#4E91B8#4E91B8
#4E91B8 is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.8% C 0.090 H 236.2°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).
Color values
| HEX | #4E91B8 |
|---|---|
| RGB | rgb(78, 145, 184) |
| HSL | hsl(202, 43%, 51%) |
| HSV | hsv(202, 58%, 72%) |
| CMYK | cmyk(57.6%, 21.2%, 0%, 27.8%) |
| CIE-LAB | lab(57.39, -9.75, -26.80) |
| CIE-LCH | lch(57.39, 28.52, 250.00°) |
| OKLab | oklab(62.85% -0.0502 -0.0749) |
| OKLCH | oklch(62.85% 0.09 236.2) |
| XYZ | xyz(21.9158, 25.3292, 49.0722) |
| Luminance | 0.2533 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dusty Blue
#5A86AD
ΔE00 5.28
Off Blue
#5684AE
ΔE00 5.85
Cool Blue
#4984B8
ΔE00 5.88
Steel Blue
#4682B4
ΔE00 6.18
Water Blue
#0E87CC
ΔE00 6.30
Faded Blue
#658CBB
ΔE00 6.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4E91B8 #B8754E
analogous
#4EB8AA #4E91B8 #4E5CB8
triadic
#4E91B8 #B84E91 #91B84E
tetradic
#4E91B8 #AA4EB8 #B8754E #5CB84E
square
#4E91B8 #AA4EB8 #B8754E #5CB84E
split-complementary
#4E91B8 #B84E5C #B8AA4E
monochromatic
#284E64 #39708F #4E91B8 #7AACCA #A5C7DB
Accessibility & contrast
On white
3.46
#4E91B8 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.07
#4E91B8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4E91B8
6.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4E91B8 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4E91B8 | 1.00 | 3.46 | 6.07 | 6.07 |
| #FFFFFF | 3.46 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.07 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.07 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7F90BA
Deuteranopia (green-blind)
#7085B7
Tritanopia (blue-blind)
#009B9E
Achromatopsia (no color)
#8A8A8A
Design tokens & code
CSS
--color: #4e91b8; /* rgb */ color: rgb(78, 145, 184); /* oklch */ color: oklch(62.8% 0.090 236.2);
Tailwind
colors: {
custom: {
50: '#88b1cd',
500: '#4e91b8',
950: '#000000',
},
}SCSS
$custom: #4e91b8; $custom-light: #88b1cd; $custom-dark: #000000;
JSON
{
"hex": "#4e91b8",
"rgb": {
"r": 78,
"g": 145,
"b": 184
},
"hsl": {
"h": 202.075,
"s": 42.742,
"l": 51.373
},
"oklch": {
"l": 0.62847,
"c": 0.09013,
"h": 236.2
},
"luminance": 0.25331
}Semantic roles & 50–950 ramp
primary
#4E91B8
secondary
#C8AB9A
accent
#8355D3
background
#F8FAFC
surface
#F0F5F9
border
#CBCFD2
text
#0C1013
muted
#7D7F82