#687DCD#687DCD
#687DCD is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.9% C 0.124 H 271.2°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).
Color values
| HEX | #687DCD |
|---|---|
| RGB | rgb(104, 125, 205) |
| HSL | hsl(228, 50%, 61%) |
| HSV | hsv(228, 49%, 80%) |
| CMYK | cmyk(49.3%, 39%, 0%, 19.6%) |
| CIE-LAB | lab(54.04, 14.37, -43.86) |
| CIE-LCH | lch(54.04, 46.16, 288.14°) |
| OKLab | oklab(60.9% 0.0026 -0.124) |
| OKLCH | oklch(60.9% 0.124 271.2) |
| XYZ | xyz(24.0585, 22.0166, 60.7277) |
| Luminance | 0.2202 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 5.33
Soft Blue
#6488EA
ΔE00 5.40
Cornflower
#6A79F7
ΔE00 5.74
Faded Blue
#658CBB
ΔE00 6.40
Lightish Blue
#3D7AFD
ΔE00 7.06
Off Blue
#5684AE
ΔE00 7.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#687DCD #CDB868
analogous
#68AFCD #687DCD #8568CD
triadic
#687DCD #CD687D #7DCD68
tetradic
#687DCD #CD68AF #CDB868 #68CD85
square
#687DCD #CD68AF #CDB868 #68CD85
split-complementary
#687DCD #CD8568 #AFCD68
monochromatic
#2E428C #3E58BA #687DCD #96A5DC #C4CCEB
Accessibility & contrast
On white
3.89
#687DCD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.40
#687DCD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #687DCD
5.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##687DCD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##687DCD | 1.00 | 3.89 | 5.40 | 5.40 |
| #FFFFFF | 3.89 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.40 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.40 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E86D0
Deuteranopia (green-blind)
#547DCB
Tritanopia (blue-blind)
#3E8E9B
Achromatopsia (no color)
#818181
Design tokens & code
CSS
--color: #687dcd; /* rgb */ color: rgb(104, 125, 205); /* oklch */ color: oklch(60.9% 0.124 271.2);
Tailwind
colors: {
custom: {
50: '#99a2dc',
500: '#687dcd',
950: '#000000',
},
}SCSS
$custom: #687dcd; $custom-light: #99a2dc; $custom-dark: #000000;
JSON
{
"hex": "#687dcd",
"rgb": {
"r": 104,
"g": 125,
"b": 205
},
"hsl": {
"h": 227.525,
"s": 50.249,
"l": 60.588
},
"oklch": {
"l": 0.60902,
"c": 0.12402,
"h": 271.2
},
"luminance": 0.22018
}Semantic roles & 50–950 ramp
primary
#687DCD
secondary
#DCD4B5
accent
#9E28BE
background
#F9F9FD
surface
#F2F2FB
border
#CCCCD4
text
#0E0F15
muted
#7E7E83