#5F91EE#5F91EE
#5F91EE is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.4% C 0.149 H 261.8°. Best body text is #000000 at 6.77:1 contrast (WCAG AA passes).
Color values
| HEX | #5F91EE |
|---|---|
| RGB | rgb(95, 145, 238) |
| HSL | hsl(219, 81%, 65%) |
| HSV | hsv(219, 60%, 93%) |
| CMYK | cmyk(60.1%, 39.1%, 0%, 6.7%) |
| CIE-LAB | lab(60.65, 11.06, -51.88) |
| CIE-LCH | lch(60.65, 53.05, 282.03°) |
| OKLab | oklab(66.43% -0.0212 -0.1474) |
| OKLCH | oklch(66.43% 0.149 261.8) |
| XYZ | xyz(30.2720, 28.8541, 84.8465) |
| Luminance | 0.2886 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflowerblue
#6495ED
ΔE00 1.21
Soft Blue
#6488EA
ΔE00 3.51
Dark Sky Blue
#448EE4
ΔE00 4.19
Dodger Blue
#3E82FC
ΔE00 4.93
Dodgerblue
#1E90FF
ΔE00 5.23
Faded Blue
#658CBB
ΔE00 5.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5F91EE #EEBC5F
analogous
#5FD8EE #5F91EE #745FEE
triadic
#5F91EE #EE5F91 #91EE5F
tetradic
#5F91EE #EE5FD8 #EEBC5F #5FEE74
square
#5F91EE #EE5FD8 #EEBC5F #5FEE74
split-complementary
#5F91EE #EE745F #D8EE5F
monochromatic
#1450BE #286BE8 #5F91EE #96B7F4 #CEDDFA
Accessibility & contrast
On white
3.10
#5F91EE on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.77
#5F91EE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5F91EE
6.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5F91EE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5F91EE | 1.00 | 3.10 | 6.77 | 6.77 |
| #FFFFFF | 3.10 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.77 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.77 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6999F2
Deuteranopia (green-blind)
#558CEC
Tritanopia (blue-blind)
#00A6B4
Achromatopsia (no color)
#929292
Design tokens & code
CSS
--color: #5f91ee; /* rgb */ color: rgb(95, 145, 238); /* oklch */ color: oklch(66.4% 0.149 261.8);
Tailwind
colors: {
custom: {
50: '#98b0f4',
500: '#5f91ee',
950: '#000000',
},
}SCSS
$custom: #5f91ee; $custom-light: #98b0f4; $custom-dark: #000000;
JSON
{
"hex": "#5f91ee",
"rgb": {
"r": 95,
"g": 145,
"b": 238
},
"hsl": {
"h": 219.021,
"s": 80.791,
"l": 65.294
},
"oklch": {
"l": 0.66427,
"c": 0.14896,
"h": 261.8
},
"luminance": 0.28857
}Semantic roles & 50–950 ramp
primary
#5F91EE
secondary
#ECDCBC
accent
#9308DD
background
#F9FAFE
surface
#F2F4FD
border
#CCCED5
text
#0F1017
muted
#7E7F85