#5F91DD#5F91DD
#5F91DD is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.5% C 0.126 H 258.5°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).
Color values
| HEX | #5F91DD |
|---|---|
| RGB | rgb(95, 145, 221) |
| HSL | hsl(216, 65%, 62%) |
| HSV | hsv(216, 57%, 87%) |
| CMYK | cmyk(57%, 34.4%, 0%, 13.3%) |
| CIE-LAB | lab(59.80, 5.54, -43.80) |
| CIE-LCH | lch(59.80, 44.15, 277.21°) |
| OKLab | oklab(65.49% -0.0251 -0.1238) |
| OKLCH | oklch(65.49% 0.126 258.5) |
| XYZ | xyz(27.8913, 27.9018, 72.3084) |
| Luminance | 0.2790 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 2.18
Dark Sky Blue
#448EE4
ΔE00 3.22
Faded Blue
#658CBB
ΔE00 4.08
Soft Blue
#6488EA
ΔE00 4.13
Dodgerblue
#1E90FF
ΔE00 4.90
Dodger Blue
#3E82FC
ΔE00 5.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5F91DD #DDAB5F
analogous
#5FD0DD #5F91DD #6C5FDD
triadic
#5F91DD #DD5F91 #91DD5F
tetradic
#5F91DD #DD5FD0 #DDAB5F #5FDD6C
square
#5F91DD #DD5FD0 #DDAB5F #5FDD6C
split-complementary
#5F91DD #DD6C5F #D0DD5F
monochromatic
#2254A0 #2D6ED2 #5F91DD #91B4E8 #C4D6F2
Accessibility & contrast
On white
3.19
#5F91DD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.58
#5F91DD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5F91DD
6.58:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5F91DD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5F91DD | 1.00 | 3.19 | 6.58 | 6.58 |
| #FFFFFF | 3.19 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.58 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.58 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7297E0
Deuteranopia (green-blind)
#628BDB
Tritanopia (blue-blind)
#00A2AD
Achromatopsia (no color)
#909090
Design tokens & code
CSS
--color: #5f91dd; /* rgb */ color: rgb(95, 145, 221); /* oklch */ color: oklch(65.5% 0.126 258.5);
Tailwind
colors: {
custom: {
50: '#95b0e8',
500: '#5f91dd',
950: '#000000',
},
}SCSS
$custom: #5f91dd; $custom-light: #95b0e8; $custom-dark: #000000;
JSON
{
"hex": "#5f91dd",
"rgb": {
"r": 95,
"g": 145,
"b": 221
},
"hsl": {
"h": 216.19,
"s": 64.948,
"l": 61.961
},
"oklch": {
"l": 0.65486,
"c": 0.12635,
"h": 258.5
},
"luminance": 0.27904
}Semantic roles & 50–950 ramp
primary
#5F91DD
secondary
#E3D1B5
accent
#8519CD
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84