#6591C1#6591C1
#6591C1 is a light, moderate cyan. Relative luminance 0.269; OKLCH L 64.4% C 0.087 H 251.4°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).
Color values
| HEX | #6591C1 |
|---|---|
| RGB | rgb(101, 145, 193) |
| HSL | hsl(211, 43%, 58%) |
| HSV | hsv(211, 48%, 76%) |
| CMYK | cmyk(47.7%, 24.9%, 0%, 24.3%) |
| CIE-LAB | lab(58.85, -1.78, -29.55) |
| CIE-LCH | lch(58.85, 29.61, 266.55°) |
| OKLab | oklab(64.41% -0.0278 -0.0825) |
| OKLCH | oklch(64.41% 0.087 251.4) |
| XYZ | xyz(25.1146, 26.8660, 54.3040) |
| Luminance | 0.2687 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 1.89
Dark Sky Blue
#448EE4
ΔE00 4.53
Dusty Blue
#5A86AD
ΔE00 4.59
Cornflowerblue
#6495ED
ΔE00 4.80
Off Blue
#5684AE
ΔE00 5.11
Cool Blue
#4984B8
ΔE00 5.59
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#6591C1 #C19565
analogous
#65BFC1 #6591C1 #6765C1
triadic
#6591C1 #C16591 #91C165
tetradic
#6591C1 #C165BF #C19565 #65C167
square
#6591C1 #C165BF #C19565 #65C167
split-complementary
#6591C1 #C16765 #BFC165
monochromatic
#31547A #4372A6 #6591C1 #91B0D3 #BCCFE4
Accessibility & contrast
On white
3.29
#6591C1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.37
#6591C1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #6591C1
6.37:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##6591C1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##6591C1 | 1.00 | 3.29 | 6.37 | 6.37 |
| #FFFFFF | 3.29 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.37 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.37 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7E93C3
Deuteranopia (green-blind)
#738AC0
Tritanopia (blue-blind)
#3D9CA1
Achromatopsia (no color)
#8E8E8E
Design tokens & code
CSS
--color: #6591c1; /* rgb */ color: rgb(101, 145, 193); /* oklch */ color: oklch(64.4% 0.087 251.4);
Tailwind
colors: {
custom: {
50: '#96b1d4',
500: '#6591c1',
950: '#000000',
},
}SCSS
$custom: #6591c1; $custom-light: #96b1d4; $custom-dark: #000000;
JSON
{
"hex": "#6591c1",
"rgb": {
"r": 101,
"g": 145,
"b": 193
},
"hsl": {
"h": 211.304,
"s": 42.593,
"l": 57.647
},
"oklch": {
"l": 0.64412,
"c": 0.08706,
"h": 251.4
},
"luminance": 0.26868
}Semantic roles & 50–950 ramp
primary
#6591C1
secondary
#D3C2AE
accent
#9755D2
background
#F9FAFD
surface
#F2F4FA
border
#CCCED3
text
#0E1014
muted
#7E7F83