#616BCB#616BCB
#616BCB is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.7% C 0.147 H 276.2°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).
Color values
| HEX | #616BCB |
|---|---|
| RGB | rgb(97, 107, 203) |
| HSL | hsl(234, 50%, 59%) |
| HSV | hsv(234, 52%, 80%) |
| CMYK | cmyk(52.2%, 47.3%, 0%, 20.4%) |
| CIE-LAB | lab(48.72, 23.13, -51.22) |
| CIE-LCH | lch(48.72, 56.20, 294.30°) |
| OKLab | oklab(56.68% 0.0158 -0.1458) |
| OKLCH | oklch(56.68% 0.147 276.2) |
| XYZ | xyz(20.9635, 17.3672, 58.7359) |
| Luminance | 0.1737 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 3.99
Dark Periwinkle
#665FD1
ΔE00 4.51
Royal Blue
#4169E1
ΔE00 5.13
Slate Blue
#6A5ACD
ΔE00 6.31
Iris
#6258C4
ΔE00 6.56
Light Indigo
#6D5ACF
ΔE00 6.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#616BCB #CBC161
analogous
#61A0CB #616BCB #8C61CB
triadic
#616BCB #CB616B #6BCB61
tetradic
#616BCB #CB61A0 #CBC161 #61CB8C
square
#616BCB #CB61A0 #CBC161 #61CB8C
split-complementary
#616BCB #CB8C61 #A0CB61
monochromatic
#2C3486 #3B47B4 #616BCB #8F96DA #BDC1E9
Accessibility & contrast
On white
4.69
#616BCB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.47
#616BCB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #616BCB
4.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##616BCB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##616BCB | 1.00 | 4.69 | 4.47 | 4.69 |
| #FFFFFF | 4.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.47 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4078CF
Deuteranopia (green-blind)
#3470C9
Tritanopia (blue-blind)
#328091
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #616bcb; /* rgb */ color: rgb(97, 107, 203); /* oklch */ color: oklch(56.7% 0.147 276.2);
Tailwind
colors: {
custom: {
50: '#9595db',
500: '#616bcb',
950: '#000000',
},
}SCSS
$custom: #616bcb; $custom-light: #9595db; $custom-dark: #000000;
JSON
{
"hex": "#616bcb",
"rgb": {
"r": 97,
"g": 107,
"b": 203
},
"hsl": {
"h": 234.34,
"s": 50.476,
"l": 58.824
},
"oklch": {
"l": 0.56679,
"c": 0.14669,
"h": 276.2
},
"luminance": 0.17369
}Semantic roles & 50–950 ramp
primary
#616BCB
secondary
#D9D5AF
accent
#CD4EDA
background
#F9F9FD
surface
#F2F1FB
border
#CCCBD4
text
#0E0D15
muted
#7E7E83