#615BBB#615BBB
#615BBB is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.6% C 0.146 H 283.0°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).
Color values
| HEX | #615BBB |
|---|---|
| RGB | rgb(97, 91, 187) |
| HSL | hsl(244, 41%, 55%) |
| HSV | hsv(244, 51%, 73%) |
| CMYK | cmyk(48.1%, 51.3%, 0%, 26.7%) |
| CIE-LAB | lab(43.67, 28.00, -50.08) |
| CIE-LCH | lch(43.67, 57.37, 299.21°) |
| OKLab | oklab(52.56% 0.0328 -0.1426) |
| OKLCH | oklch(52.56% 0.146 283) |
| XYZ | xyz(17.6378, 13.6105, 48.7018) |
| Luminance | 0.1361 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 1.78
Slate Blue
#6A5ACD
ΔE00 3.24
Dark Periwinkle
#665FD1
ΔE00 3.59
Light Indigo
#6D5ACF
ΔE00 3.78
Warm Blue
#4B57DB
ΔE00 5.61
Royal Purple
#7851A9
ΔE00 7.53
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#615BBB #B5BB5B
analogous
#5B85BB #615BBB #915BBB
triadic
#615BBB #BB615B #5BBB61
tetradic
#615BBB #BB5B85 #B5BB5B #5BBB91
square
#615BBB #BB5B85 #B5BB5B #5BBB91
split-complementary
#615BBB #BB915B #85BB5B
monochromatic
#322E6E #454099 #615BBB #8B86CD #B4B2DF
Accessibility & contrast
On white
5.64
#615BBB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.72
#615BBB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #615BBB
5.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##615BBB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##615BBB | 1.00 | 5.64 | 3.72 | 5.64 |
| #FFFFFF | 5.64 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.72 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.64 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2D6ABE
Deuteranopia (green-blind)
#2764B9
Tritanopia (blue-blind)
#417082
Achromatopsia (no color)
#676767
Design tokens & code
CSS
--color: #615bbb; /* rgb */ color: rgb(97, 91, 187); /* oklch */ color: oklch(52.6% 0.146 283.0);
Tailwind
colors: {
custom: {
50: '#9489d0',
500: '#615bbb',
950: '#000000',
},
}SCSS
$custom: #615bbb; $custom-light: #9489d0; $custom-dark: #000000;
JSON
{
"hex": "#615bbb",
"rgb": {
"r": 97,
"g": 91,
"b": 187
},
"hsl": {
"h": 243.75,
"s": 41.379,
"l": 54.51
},
"oklch": {
"l": 0.52558,
"c": 0.1463,
"h": 283
},
"luminance": 0.13611
}Semantic roles & 50–950 ramp
primary
#615BBB
secondary
#CBCDA5
accent
#D157CA
background
#F9F8FC
surface
#F2F0F9
border
#CCCBD2
text
#0E0B14
muted
#7E7C82