#677FCB#677FCB
#677FCB is a mid, moderate blue. Relative luminance 0.224; OKLCH L 61.1% C 0.119 H 269.4°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).
Color values
| HEX | #677FCB |
|---|---|
| RGB | rgb(103, 127, 203) |
| HSL | hsl(226, 49%, 60%) |
| HSV | hsv(226, 49%, 80%) |
| CMYK | cmyk(49.3%, 37.4%, 0%, 20.4%) |
| CIE-LAB | lab(54.42, 12.31, -42.14) |
| CIE-LCH | lch(54.42, 43.90, 286.29°) |
| OKLab | oklab(61.14% -0.0012 -0.119) |
| OKLCH | oklch(61.14% 0.119 269.4) |
| XYZ | xyz(23.9589, 22.3726, 59.5442) |
| Luminance | 0.2237 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Soft Blue
#6488EA
ΔE00 4.97
Faded Blue
#658CBB
ΔE00 5.66
Cornflower Blue
#5170D7
ΔE00 5.75
Cornflower
#6A79F7
ΔE00 6.19
Off Blue
#5684AE
ΔE00 6.88
Dusty Blue
#5A86AD
ΔE00 6.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#677FCB #CBB367
analogous
#67B1CB #677FCB #8167CB
triadic
#677FCB #CB677F #7FCB67
tetradic
#677FCB #CB67B1 #CBB367 #67CB81
square
#677FCB #CB67B1 #CBB367 #67CB81
split-complementary
#677FCB #CB8167 #B1CB67
monochromatic
#2F4489 #3E5BB6 #677FCB #95A5DB #C2CCEA
Accessibility & contrast
On white
3.84
#677FCB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.47
#677FCB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #677FCB
5.47:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##677FCB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##677FCB | 1.00 | 3.84 | 5.47 | 5.47 |
| #FFFFFF | 3.84 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.47 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.47 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6287CE
Deuteranopia (green-blind)
#577EC9
Tritanopia (blue-blind)
#3D8F9B
Achromatopsia (no color)
#828282
Design tokens & code
CSS
--color: #677fcb; /* rgb */ color: rgb(103, 127, 203); /* oklch */ color: oklch(61.1% 0.119 269.4);
Tailwind
colors: {
custom: {
50: '#98a3db',
500: '#677fcb',
950: '#000000',
},
}SCSS
$custom: #677fcb; $custom-light: #98a3db; $custom-dark: #000000;
JSON
{
"hex": "#677fcb",
"rgb": {
"r": 103,
"g": 127,
"b": 203
},
"hsl": {
"h": 225.6,
"s": 49.02,
"l": 60
},
"oklch": {
"l": 0.61142,
"c": 0.11897,
"h": 269.4
},
"luminance": 0.22374
}Semantic roles & 50–950 ramp
primary
#677FCB
secondary
#DAD1B4
accent
#B84FD9
background
#F9FAFD
surface
#F2F3FB
border
#CCCDD4
text
#0E0F15
muted
#7E7F83