#677CB5#677CB5
#677CB5 is a mid, moderate blue. Relative luminance 0.206; OKLCH L 59.3% C 0.091 H 268.1°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).
Color values
| HEX | #677CB5 |
|---|---|
| RGB | rgb(103, 124, 181) |
| HSL | hsl(224, 35%, 56%) |
| HSV | hsv(224, 43%, 71%) |
| CMYK | cmyk(43.1%, 31.5%, 0%, 29%) |
| CIE-LAB | lab(52.55, 7.48, -32.51) |
| CIE-LCH | lch(52.55, 33.36, 282.95°) |
| OKLab | oklab(59.35% -0.003 -0.091) |
| OKLCH | oklch(59.35% 0.091 268.1) |
| XYZ | xyz(21.1391, 20.6339, 46.5760) |
| Luminance | 0.2064 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 6.67
Faded Blue
#658CBB
ΔE00 6.69
Off Blue
#5684AE
ΔE00 7.11
Slate Blue (survey)
#5B7C99
ΔE00 7.31
Dusty Blue
#5A86AD
ΔE00 7.32
Steel Blue (survey)
#5A7D9A
ΔE00 7.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#677CB5 #B5A067
analogous
#67A3B5 #677CB5 #7967B5
triadic
#677CB5 #B5677C #7CB567
tetradic
#677CB5 #B567A3 #B5A067 #67B579
square
#677CB5 #B567A3 #B5A067 #67B579
split-complementary
#677CB5 #B57967 #A3B567
monochromatic
#35446D #495E96 #677CB5 #909FC9 #B9C3DD
Accessibility & contrast
On white
4.10
#677CB5 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.13
#677CB5 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #677CB5
5.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##677CB5 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##677CB5 | 1.00 | 4.10 | 5.13 | 5.13 |
| #FFFFFF | 4.10 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.13 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.13 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6881B7
Deuteranopia (green-blind)
#607AB4
Tritanopia (blue-blind)
#4C8890
Achromatopsia (no color)
#7D7D7D
Design tokens & code
CSS
--color: #677cb5; /* rgb */ color: rgb(103, 124, 181); /* oklch */ color: oklch(59.3% 0.091 268.1);
Tailwind
colors: {
custom: {
50: '#96a1cb',
500: '#677cb5',
950: '#000000',
},
}SCSS
$custom: #677cb5; $custom-light: #96a1cb; $custom-dark: #000000;
JSON
{
"hex": "#677cb5",
"rgb": {
"r": 103,
"g": 124,
"b": 181
},
"hsl": {
"h": 223.846,
"s": 34.513,
"l": 55.686
},
"oklch": {
"l": 0.59347,
"c": 0.09107,
"h": 268.1
},
"luminance": 0.20635
}Semantic roles & 50–950 ramp
primary
#677CB5
secondary
#CCC3AC
accent
#AD5DCB
background
#F9F9FC
surface
#F2F2F8
border
#CCCCD1
text
#0E0F13
muted
#7E7E82