#4B87DD#4B87DD
#4B87DD is a light, vivid blue. Relative luminance 0.240; OKLCH L 62.4% C 0.145 H 257.6°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).
Color values
| HEX | #4B87DD |
|---|---|
| RGB | rgb(75, 135, 221) |
| HSL | hsl(215, 68%, 58%) |
| HSV | hsv(215, 66%, 87%) |
| CMYK | cmyk(66.1%, 38.9%, 0%, 13.3%) |
| CIE-LAB | lab(56.13, 7.79, -49.67) |
| CIE-LCH | lch(56.13, 50.28, 278.91°) |
| OKLab | oklab(62.39% -0.0311 -0.1414) |
| OKLCH | oklch(62.39% 0.145 257.6) |
| XYZ | xyz(24.6121, 24.0418, 71.7361) |
| Luminance | 0.2404 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dark Sky Blue
#448EE4
ΔE00 2.86
Dodger Blue
#3E82FC
ΔE00 3.45
Azure
#007FFF
ΔE00 3.90
Faded Blue
#658CBB
ΔE00 4.49
Soft Blue
#6488EA
ΔE00 4.67
Cool Blue
#4984B8
ΔE00 4.77
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4B87DD #DDA14B
analogous
#4BD0DD #4B87DD #584BDD
triadic
#4B87DD #DD4B87 #87DD4B
tetradic
#4B87DD #DD4BD0 #DDA14B #4BDD58
square
#4B87DD #DD4BD0 #DDA14B #4BDD58
split-complementary
#4B87DD #DD584B #D0DD4B
monochromatic
#1C4C92 #2567C5 #4B87DD #7EA9E7 #B2CCF0
Accessibility & contrast
On white
3.62
#4B87DD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.81
#4B87DD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #4B87DD
5.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4B87DD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##4B87DD | 1.00 | 3.62 | 5.81 | 5.81 |
| #FFFFFF | 3.62 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.81 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.81 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#608EE0
Deuteranopia (green-blind)
#4B80DB
Tritanopia (blue-blind)
#009BA7
Achromatopsia (no color)
#878787
Design tokens & code
CSS
--color: #4b87dd; /* rgb */ color: rgb(75, 135, 221); /* oklch */ color: oklch(62.4% 0.145 257.6);
Tailwind
colors: {
custom: {
50: '#8ca9e8',
500: '#4b87dd',
950: '#000000',
},
}SCSS
$custom: #4b87dd; $custom-light: #8ca9e8; $custom-dark: #000000;
JSON
{
"hex": "#4b87dd",
"rgb": {
"r": 75,
"g": 135,
"b": 221
},
"hsl": {
"h": 215.342,
"s": 68.224,
"l": 58.039
},
"oklch": {
"l": 0.62387,
"c": 0.14478,
"h": 257.6
},
"luminance": 0.24044
}Semantic roles & 50–950 ramp
primary
#4B87DD
secondary
#DFC7A5
accent
#A33DEB
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D0F16
muted
#7E7F84