#678BBB#678BBB
#678BBB is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.9% C 0.083 H 255.8°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #678BBB |
|---|---|
| RGB | rgb(103, 139, 187) |
| HSL | hsl(214, 38%, 57%) |
| HSV | hsv(214, 45%, 73%) |
| CMYK | cmyk(44.9%, 25.7%, 0%, 26.7%) |
| CIE-LAB | lab(57.01, 0.41, -28.99) |
| CIE-LCH | lch(57.01, 29.00, 270.81°) |
| OKLab | oklab(62.92% -0.0204 -0.0809) |
| OKLCH | oklch(62.92% 0.083 255.8) |
| XYZ | xyz(23.7928, 24.9352, 50.5633) |
| Luminance | 0.2494 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.83
Dusty Blue
#5A86AD
ΔE00 4.07
Off Blue
#5684AE
ΔE00 4.38
Soft Blue
#6488EA
ΔE00 5.15
Cool Blue
#4984B8
ΔE00 5.43
Dark Sky Blue
#448EE4
ΔE00 5.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#678BBB #BB9767
analogous
#67B5BB #678BBB #6D67BB
triadic
#678BBB #BB678B #8BBB67
tetradic
#678BBB #BB67B5 #BB9767 #67BB6D
square
#678BBB #BB67B5 #BB9767 #67BB6D
split-complementary
#678BBB #BB6D67 #B5BB67
monochromatic
#344F74 #476C9E #678BBB #91ABCE #BCCCE1
Accessibility & contrast
On white
3.51
#678BBB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.99
#678BBB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #678BBB
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##678BBB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##678BBB | 1.00 | 3.51 | 5.99 | 5.99 |
| #FFFFFF | 3.51 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#798DBD
Deuteranopia (green-blind)
#6F85BA
Tritanopia (blue-blind)
#46969C
Achromatopsia (no color)
#898989
Design tokens & code
CSS
--color: #678bbb; /* rgb */ color: rgb(103, 139, 187); /* oklch */ color: oklch(62.9% 0.083 255.8);
Tailwind
colors: {
custom: {
50: '#96accf',
500: '#678bbb',
950: '#000000',
},
}SCSS
$custom: #678bbb; $custom-light: #96accf; $custom-dark: #000000;
JSON
{
"hex": "#678bbb",
"rgb": {
"r": 103,
"g": 139,
"b": 187
},
"hsl": {
"h": 214.286,
"s": 38.182,
"l": 56.863
},
"oklch": {
"l": 0.62917,
"c": 0.0834,
"h": 255.8
},
"luminance": 0.24937
}Semantic roles & 50–950 ramp
primary
#678BBB
secondary
#D0C1AE
accent
#9C5ACE
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82