#6578BF#6578BF
#6578BF is a mid, moderate blue. Relative luminance 0.200; OKLCH L 58.9% C 0.111 H 271.3°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).
Color values
| HEX | #6578BF |
|---|---|
| RGB | rgb(101, 120, 191) |
| HSL | hsl(227, 41%, 57%) |
| HSV | hsv(227, 47%, 75%) |
| CMYK | cmyk(47.1%, 37.2%, 0%, 25.1%) |
| CIE-LAB | lab(51.79, 12.37, -39.45) |
| CIE-LCH | lch(51.79, 41.34, 287.41°) |
| OKLab | oklab(58.89% 0.0025 -0.1112) |
| OKLCH | oklch(58.89% 0.111 271.3) |
| XYZ | xyz(21.4843, 19.9600, 52.0007) |
| Luminance | 0.1996 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 5.00
Slate Blue (survey)
#5B7C99
ΔE00 7.46
Cornflower
#6A79F7
ΔE00 7.57
French Blue
#436BAD
ΔE00 7.63
Royal Blue
#4169E1
ΔE00 7.63
Faded Blue
#658CBB
ΔE00 7.75
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6578BF #BFAC65
analogous
#65A5BF #6578BF #7F65BF
triadic
#6578BF #BF6578 #78BF65
tetradic
#6578BF #BF65A5 #BFAC65 #65BF7F
square
#6578BF #BF65A5 #BFAC65 #65BF7F
split-complementary
#6578BF #BF7F65 #A5BF65
monochromatic
#324178 #4458A3 #6578BF #909ED1 #BBC4E3
Accessibility & contrast
On white
4.21
#6578BF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.99
#6578BF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6578BF
4.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6578BF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6578BF | 1.00 | 4.21 | 4.99 | 4.99 |
| #FFFFFF | 4.21 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E80C2
Deuteranopia (green-blind)
#5578BD
Tritanopia (blue-blind)
#438792
Achromatopsia (no color)
#7B7B7B
Design tokens & code
CSS
--color: #6578bf; /* rgb */ color: rgb(101, 120, 191); /* oklch */ color: oklch(58.9% 0.111 271.3);
Tailwind
colors: {
custom: {
50: '#959ed2',
500: '#6578bf',
950: '#000000',
},
}SCSS
$custom: #6578bf; $custom-light: #959ed2; $custom-dark: #000000;
JSON
{
"hex": "#6578bf",
"rgb": {
"r": 101,
"g": 120,
"b": 191
},
"hsl": {
"h": 227.333,
"s": 41.284,
"l": 57.255
},
"oklch": {
"l": 0.58886,
"c": 0.11123,
"h": 271.3
},
"luminance": 0.19961
}Semantic roles & 50–950 ramp
primary
#6578BF
secondary
#D2CAAE
accent
#B757D1
background
#F9F9FC
surface
#F2F2F9
border
#CCCCD2
text
#0E0E14
muted
#7E7E82