#618FBB#618FBB
#618FBB is a light, moderate cyan. Relative luminance 0.258; OKLCH L 63.5% C 0.083 H 248.2°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).
Color values
| HEX | #618FBB |
|---|---|
| RGB | rgb(97, 143, 187) |
| HSL | hsl(209, 40%, 56%) |
| HSV | hsv(209, 48%, 73%) |
| CMYK | cmyk(48.1%, 23.5%, 0%, 26.7%) |
| CIE-LAB | lab(57.82, -3.40, -27.77) |
| CIE-LCH | lch(57.82, 27.98, 263.02°) |
| OKLab | oklab(63.46% -0.031 -0.0774) |
| OKLCH | oklch(63.46% 0.083 248.2) |
| XYZ | xyz(23.7188, 25.7725, 50.7288) |
| Luminance | 0.2577 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 2.08
Dusty Blue
#5A86AD
ΔE00 3.43
Off Blue
#5684AE
ΔE00 4.03
Cool Blue
#4984B8
ΔE00 4.61
Dark Sky Blue
#448EE4
ΔE00 4.75
Steel Blue
#4682B4
ΔE00 5.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#618FBB #BB8D61
analogous
#61BBBA #618FBB #6162BB
triadic
#618FBB #BB618F #8FBB61
tetradic
#618FBB #BA61BB #BB8D61 #62BB61
square
#618FBB #BA61BB #BB8D61 #62BB61
split-complementary
#618FBB #BB6162 #BBBA61
monochromatic
#315271 #43709C #618FBB #8CADCD #B7CCE0
Accessibility & contrast
On white
3.41
#618FBB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.15
#618FBB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #618FBB
6.15:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##618FBB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##618FBB | 1.00 | 3.41 | 6.15 | 6.15 |
| #FFFFFF | 3.41 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.15 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.15 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7D90BD
Deuteranopia (green-blind)
#7287BA
Tritanopia (blue-blind)
#38999E
Achromatopsia (no color)
#8B8B8B
Design tokens & code
CSS
--color: #618fbb; /* rgb */ color: rgb(97, 143, 187); /* oklch */ color: oklch(63.5% 0.083 248.2);
Tailwind
colors: {
custom: {
50: '#93afcf',
500: '#618fbb',
950: '#000000',
},
}SCSS
$custom: #618fbb; $custom-light: #93afcf; $custom-dark: #000000;
JSON
{
"hex": "#618fbb",
"rgb": {
"r": 97,
"g": 143,
"b": 187
},
"hsl": {
"h": 209.333,
"s": 39.823,
"l": 55.686
},
"oklch": {
"l": 0.63464,
"c": 0.0834,
"h": 248.2
},
"luminance": 0.25774
}Semantic roles & 50–950 ramp
primary
#618FBB
secondary
#CFBBA9
accent
#9358D0
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0D1014
muted
#7E7F82