#678BBC#678BBC
#678BBC is a light, moderate cyan. Relative luminance 0.250; OKLCH L 63.0% C 0.085 H 256.3°. Best body text is #000000 at 6.00:1 contrast (WCAG AA passes).
Color values
| HEX | #678BBC |
|---|---|
| RGB | rgb(103, 139, 188) |
| HSL | hsl(215, 39%, 57%) |
| HSV | hsv(215, 45%, 74%) |
| CMYK | cmyk(45.2%, 26.1%, 0%, 26.3%) |
| CIE-LAB | lab(57.05, 0.70, -29.50) |
| CIE-LCH | lch(57.05, 29.51, 271.36°) |
| OKLab | oklab(62.96% -0.0201 -0.0823) |
| OKLCH | oklch(62.96% 0.085 256.3) |
| XYZ | xyz(23.9002, 24.9781, 51.1291) |
| Luminance | 0.2498 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.92
Dusty Blue
#5A86AD
ΔE00 4.19
Off Blue
#5684AE
ΔE00 4.48
Soft Blue
#6488EA
ΔE00 5.05
Cool Blue
#4984B8
ΔE00 5.49
Dark Sky Blue
#448EE4
ΔE00 5.91
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#678BBC #BC9867
analogous
#67B6BC #678BBC #6E67BC
triadic
#678BBC #BC678B #8BBC67
tetradic
#678BBC #BC67B6 #BC9867 #67BC6E
square
#678BBC #BC67B6 #BC9867 #67BC6E
split-complementary
#678BBC #BC6E67 #B6BC67
monochromatic
#344F75 #466C9F #678BBC #91ABCF #BCCCE1
Accessibility & contrast
On white
3.50
#678BBC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.00
#678BBC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #678BBC
6.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##678BBC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##678BBC | 1.00 | 3.50 | 6.00 | 6.00 |
| #FFFFFF | 3.50 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#788EBE
Deuteranopia (green-blind)
#6E85BB
Tritanopia (blue-blind)
#46969C
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #678bbc; /* rgb */ color: rgb(103, 139, 188); /* oklch */ color: oklch(63.0% 0.085 256.3);
Tailwind
colors: {
custom: {
50: '#96acd0',
500: '#678bbc',
950: '#000000',
},
}SCSS
$custom: #678bbc; $custom-light: #96acd0; $custom-dark: #000000;
JSON
{
"hex": "#678bbc",
"rgb": {
"r": 103,
"g": 139,
"b": 188
},
"hsl": {
"h": 214.588,
"s": 38.813,
"l": 57.059
},
"oklch": {
"l": 0.62964,
"c": 0.08473,
"h": 256.3
},
"luminance": 0.2498
}Semantic roles & 50–950 ramp
primary
#678BBC
secondary
#D1C2AE
accent
#9D59CF
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82