#617BC9#617BC9
#617BC9 is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.8% C 0.123 H 268.6°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).
Color values
| HEX | #617BC9 |
|---|---|
| RGB | rgb(97, 123, 201) |
| HSL | hsl(225, 49%, 58%) |
| HSV | hsv(225, 52%, 79%) |
| CMYK | cmyk(51.7%, 38.8%, 0%, 21.2%) |
| CIE-LAB | lab(52.86, 12.71, -43.48) |
| CIE-LCH | lch(52.86, 45.30, 286.29°) |
| OKLab | oklab(59.81% -0.0031 -0.123) |
| OKLCH | oklch(59.81% 0.123 268.6) |
| XYZ | xyz(22.5519, 20.9228, 58.0972) |
| Luminance | 0.2092 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 4.37
Soft Blue
#6488EA
ΔE00 5.89
Cornflower
#6A79F7
ΔE00 6.41
Faded Blue
#658CBB
ΔE00 6.41
Lightish Blue
#3D7AFD
ΔE00 6.59
Off Blue
#5684AE
ΔE00 6.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#617BC9 #C9AF61
analogous
#61AFC9 #617BC9 #7B61C9
triadic
#617BC9 #C9617B #7BC961
tetradic
#617BC9 #C961AF #C9AF61 #61C97B
square
#617BC9 #C961AF #C9AF61 #61C97B
split-complementary
#617BC9 #C97B61 #AFC961
monochromatic
#2D4283 #3C59B0 #617BC9 #8FA1D9 #BCC7E8
Accessibility & contrast
On white
4.05
#617BC9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.18
#617BC9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #617BC9
5.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##617BC9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##617BC9 | 1.00 | 4.05 | 5.18 | 5.18 |
| #FFFFFF | 4.05 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C83CC
Deuteranopia (green-blind)
#507AC7
Tritanopia (blue-blind)
#318C98
Achromatopsia (no color)
#7E7E7E
Design tokens & code
CSS
--color: #617bc9; /* rgb */ color: rgb(97, 123, 201); /* oklch */ color: oklch(59.8% 0.123 268.6);
Tailwind
colors: {
custom: {
50: '#94a0da',
500: '#617bc9',
950: '#000000',
},
}SCSS
$custom: #617bc9; $custom-light: #94a0da; $custom-dark: #000000;
JSON
{
"hex": "#617bc9",
"rgb": {
"r": 97,
"g": 123,
"b": 201
},
"hsl": {
"h": 225,
"s": 49.057,
"l": 58.431
},
"oklch": {
"l": 0.59813,
"c": 0.12307,
"h": 268.6
},
"luminance": 0.20924
}Semantic roles & 50–950 ramp
primary
#617BC9
secondary
#D8CDAE
accent
#B64FD9
background
#F9F9FD
surface
#F2F2FA
border
#CCCCD3
text
#0E0E15
muted
#7E7E83