#615BB5#615BB5
#615BB5 is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.2% C 0.138 H 283.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).
Color values
| HEX | #615BB5 |
|---|---|
| RGB | rgb(97, 91, 181) |
| HSL | hsl(244, 38%, 53%) |
| HSV | hsv(244, 50%, 71%) |
| CMYK | cmyk(46.4%, 49.7%, 0%, 29%) |
| CIE-LAB | lab(43.30, 26.16, -47.16) |
| CIE-LCH | lch(43.30, 53.93, 299.02°) |
| OKLab | oklab(52.16% 0.0323 -0.134) |
| OKLCH | oklch(52.16% 0.138 283.5) |
| XYZ | xyz(17.0089, 13.3590, 45.3894) |
| Luminance | 0.1336 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 2.66
Slate Blue
#6A5ACD
ΔE00 4.09
Dark Periwinkle
#665FD1
ΔE00 4.50
Light Indigo
#6D5ACF
ΔE00 4.59
Warm Blue
#4B57DB
ΔE00 6.47
Royal Purple
#7851A9
ΔE00 7.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#615BB5 #AFB55B
analogous
#5B82B5 #615BB5 #8E5BB5
triadic
#615BB5 #B5615B #5BB561
tetradic
#615BB5 #B55B82 #AFB55B #5BB58E
square
#615BB5 #B55B82 #AFB55B #5BB58E
split-complementary
#615BB5 #B58E5B #82B55B
monochromatic
#322F67 #474291 #615BB5 #8A85C8 #B2AFDB
Accessibility & contrast
On white
5.72
#615BB5 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.67
#615BB5 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #615BB5
5.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##615BB5 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##615BB5 | 1.00 | 5.72 | 3.67 | 5.72 |
| #FFFFFF | 5.72 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.67 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.72 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3369B8
Deuteranopia (green-blind)
#2F63B3
Tritanopia (blue-blind)
#456E7F
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #615bb5; /* rgb */ color: rgb(97, 91, 181); /* oklch */ color: oklch(52.2% 0.138 283.5);
Tailwind
colors: {
custom: {
50: '#9389cc',
500: '#615bb5',
950: '#000000',
},
}SCSS
$custom: #615bb5; $custom-light: #9389cc; $custom-dark: #000000;
JSON
{
"hex": "#615bb5",
"rgb": {
"r": 97,
"g": 91,
"b": 181
},
"hsl": {
"h": 244,
"s": 37.815,
"l": 53.333
},
"oklch": {
"l": 0.52162,
"c": 0.13786,
"h": 283.5
},
"luminance": 0.1336
}Semantic roles & 50–950 ramp
primary
#615BB5
secondary
#C7C9A3
accent
#CE5AC6
background
#F9F8FC
surface
#F2F0F9
border
#CCCBD2
text
#0D0B13
muted
#7E7C82