#616BB5#616BB5
#616BB5 is a mid, moderate blue. Relative luminance 0.164; OKLCH L 55.3% C 0.115 H 276.1°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).
Color values
| HEX | #616BB5 |
|---|---|
| RGB | rgb(97, 107, 181) |
| HSL | hsl(233, 36%, 55%) |
| HSV | hsv(233, 46%, 71%) |
| CMYK | cmyk(46.4%, 40.9%, 0%, 29%) |
| CIE-LAB | lab(47.48, 16.26, -40.50) |
| CIE-LCH | lch(47.48, 43.64, 291.87°) |
| OKLab | oklab(55.34% 0.0123 -0.1144) |
| OKLCH | oklch(55.34% 0.115 276.1) |
| XYZ | xyz(18.5254, 16.3920, 45.8949) |
| Luminance | 0.1639 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 6.16
Dark Periwinkle
#665FD1
ΔE00 6.37
French Blue
#436BAD
ΔE00 6.60
Iris
#6258C4
ΔE00 7.21
Dusky Blue
#475F94
ΔE00 7.39
Royal Blue
#4169E1
ΔE00 7.48
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#616BB5 #B5AB61
analogous
#6195B5 #616BB5 #8161B5
triadic
#616BB5 #B5616B #6BB561
tetradic
#616BB5 #B56195 #B5AB61 #61B581
square
#616BB5 #B56195 #B5AB61 #61B581
split-complementary
#616BB5 #B58161 #95B561
monochromatic
#32386A #454E94 #616BB5 #8B92C9 #B4B9DC
Accessibility & contrast
On white
4.91
#616BB5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.28
#616BB5 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #616BB5
4.91:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##616BB5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##616BB5 | 1.00 | 4.91 | 4.28 | 4.91 |
| #FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.28 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.91 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F74B8
Deuteranopia (green-blind)
#486DB3
Tritanopia (blue-blind)
#437A87
Achromatopsia (no color)
#717171
Design tokens & code
CSS
--color: #616bb5; /* rgb */ color: rgb(97, 107, 181); /* oklch */ color: oklch(55.3% 0.115 276.1);
Tailwind
colors: {
custom: {
50: '#9295cb',
500: '#616bb5',
950: '#000000',
},
}SCSS
$custom: #616bb5; $custom-light: #9295cb; $custom-dark: #000000;
JSON
{
"hex": "#616bb5",
"rgb": {
"r": 97,
"g": 107,
"b": 181
},
"hsl": {
"h": 232.857,
"s": 36.207,
"l": 54.51
},
"oklch": {
"l": 0.55338,
"c": 0.11508,
"h": 276.1
},
"luminance": 0.16393
}Semantic roles & 50–950 ramp
primary
#616BB5
secondary
#CBC6A7
accent
#BF5CCC
background
#F9F9FC
surface
#F2F1F8
border
#CCCBD1
text
#0D0D13
muted
#7E7E82