#6591C4#6591C4
#6591C4 is a light, moderate cyan. Relative luminance 0.270; OKLCH L 64.6% C 0.091 H 252.8°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).
Color values
| HEX | #6591C4 |
|---|---|
| RGB | rgb(101, 145, 196) |
| HSL | hsl(212, 45%, 58%) |
| HSV | hsv(212, 48%, 77%) |
| CMYK | cmyk(48.5%, 26%, 0%, 23.1%) |
| CIE-LAB | lab(58.98, -0.89, -31.05) |
| CIE-LCH | lch(58.98, 31.07, 268.36°) |
| OKLab | oklab(64.55% -0.0269 -0.0868) |
| OKLCH | oklch(64.55% 0.091 252.8) |
| XYZ | xyz(25.4526, 27.0012, 56.0844) |
| Luminance | 0.2700 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 1.95
Dark Sky Blue
#448EE4
ΔE00 4.33
Cornflowerblue
#6495ED
ΔE00 4.42
Dusty Blue
#5A86AD
ΔE00 4.91
Soft Blue
#6488EA
ΔE00 5.30
Off Blue
#5684AE
ΔE00 5.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6591C4 #C49865
analogous
#65C0C4 #6591C4 #6865C4
triadic
#6591C4 #C46591 #91C465
tetradic
#6591C4 #C465C0 #C49865 #65C468
square
#6591C4 #C465C0 #C49865 #65C468
split-complementary
#6591C4 #C46865 #C0C465
monochromatic
#30547E #4172AA #6591C4 #91B1D5 #BDD0E6
Accessibility & contrast
On white
3.28
#6591C4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.40
#6591C4 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6591C4
6.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6591C4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6591C4 | 1.00 | 3.28 | 6.40 | 6.40 |
| #FFFFFF | 3.28 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.40 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.40 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7D93C6
Deuteranopia (green-blind)
#718AC3
Tritanopia (blue-blind)
#3A9DA3
Achromatopsia (no color)
#8E8E8E
Design tokens & code
CSS
--color: #6591c4; /* rgb */ color: rgb(101, 145, 196); /* oklch */ color: oklch(64.6% 0.091 252.8);
Tailwind
colors: {
custom: {
50: '#96b1d6',
500: '#6591c4',
950: '#000000',
},
}SCSS
$custom: #6591c4; $custom-light: #96b1d6; $custom-dark: #000000;
JSON
{
"hex": "#6591c4",
"rgb": {
"r": 101,
"g": 145,
"b": 196
},
"hsl": {
"h": 212.211,
"s": 44.601,
"l": 58.235
},
"oklch": {
"l": 0.64552,
"c": 0.09086,
"h": 252.8
},
"luminance": 0.27003
}Semantic roles & 50–950 ramp
primary
#6591C4
secondary
#D5C4AF
accent
#9953D4
background
#F9FAFD
surface
#F2F4FA
border
#CCCED3
text
#0E1014
muted
#7E7F83