#658CB3#658CB3
#658CB3 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.7% C 0.073 H 249.1°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).
Color values
| HEX | #658CB3 |
|---|---|
| RGB | rgb(101, 140, 179) |
| HSL | hsl(210, 34%, 55%) |
| HSV | hsv(210, 44%, 70%) |
| CMYK | cmyk(43.6%, 21.8%, 0%, 29.8%) |
| CIE-LAB | lab(56.86, -3.01, -24.69) |
| CIE-LCH | lch(56.86, 24.87, 263.06°) |
| OKLab | oklab(62.66% -0.0262 -0.0686) |
| OKLCH | oklch(62.66% 0.073 249.1) |
| XYZ | xyz(22.8789, 24.7761, 46.2158) |
| Luminance | 0.2478 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 1.75
Dusty Blue
#5A86AD
ΔE00 2.65
Off Blue
#5684AE
ΔE00 3.40
Cool Blue
#4984B8
ΔE00 4.71
Blue Grey
#758DA3
ΔE00 5.15
Greyish Blue
#5E819D
ΔE00 5.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#658CB3 #B38C65
analogous
#65B3B3 #658CB3 #6565B3
triadic
#658CB3 #B3658C #8CB365
tetradic
#658CB3 #B365B3 #B38C65 #65B365
square
#658CB3 #B365B3 #B38C65 #65B365
split-complementary
#658CB3 #B36565 #B3B365
monochromatic
#344F6A #486D93 #658CB3 #8EABC7 #B7C9DB
Accessibility & contrast
On white
3.53
#658CB3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.96
#658CB3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #658CB3
5.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##658CB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##658CB3 | 1.00 | 3.53 | 5.96 | 5.96 |
| #FFFFFF | 3.53 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7D8DB5
Deuteranopia (green-blind)
#7385B2
Tritanopia (blue-blind)
#479599
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #658cb3; /* rgb */ color: rgb(101, 140, 179); /* oklch */ color: oklch(62.7% 0.073 249.1);
Tailwind
colors: {
custom: {
50: '#94adca',
500: '#658cb3',
950: '#000000',
},
}SCSS
$custom: #658cb3; $custom-light: #94adca; $custom-dark: #000000;
JSON
{
"hex": "#658cb3",
"rgb": {
"r": 101,
"g": 140,
"b": 179
},
"hsl": {
"h": 210,
"s": 33.913,
"l": 54.902
},
"oklch": {
"l": 0.62657,
"c": 0.07342,
"h": 249.1
},
"luminance": 0.24778
}Semantic roles & 50–950 ramp
primary
#658CB3
secondary
#CABAA9
accent
#945ECA
background
#F9FAFC
surface
#F2F4F8
border
#CCCED1
text
#0D1013
muted
#7E7F82