#618BB9#618BB9
#618BB9 is a light, moderate cyan. Relative luminance 0.245; OKLCH L 62.5% C 0.084 H 251.4°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).
Color values
| HEX | #618BB9 |
|---|---|
| RGB | rgb(97, 139, 185) |
| HSL | hsl(211, 39%, 55%) |
| HSV | hsv(211, 48%, 73%) |
| CMYK | cmyk(47.6%, 24.9%, 0%, 27.5%) |
| CIE-LAB | lab(56.59, -1.70, -28.53) |
| CIE-LCH | lch(56.59, 28.58, 266.59°) |
| OKLab | oklab(62.47% -0.0267 -0.0796) |
| OKLCH | oklch(62.47% 0.084 251.4) |
| XYZ | xyz(22.9164, 24.5078, 49.4124) |
| Luminance | 0.2451 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 0.95
Dusty Blue
#5A86AD
ΔE00 2.81
Off Blue
#5684AE
ΔE00 3.20
Cool Blue
#4984B8
ΔE00 4.08
Steel Blue
#4682B4
ΔE00 4.88
Dark Sky Blue
#448EE4
ΔE00 5.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#618BB9 #B98F61
analogous
#61B7B9 #618BB9 #6361B9
triadic
#618BB9 #B9618B #8BB961
tetradic
#618BB9 #B961B7 #B98F61 #61B963
square
#618BB9 #B961B7 #B98F61 #61B963
split-complementary
#618BB9 #B96361 #B7B961
monochromatic
#314E6F #446C99 #618BB9 #8BAACC #B6C9DF
Accessibility & contrast
On white
3.56
#618BB9 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.90
#618BB9 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #618BB9
5.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##618BB9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##618BB9 | 1.00 | 3.56 | 5.90 | 5.90 |
| #FFFFFF | 3.56 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.90 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.90 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#798DBB
Deuteranopia (green-blind)
#6E84B8
Tritanopia (blue-blind)
#3B959B
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #618bb9; /* rgb */ color: rgb(97, 139, 185); /* oklch */ color: oklch(62.5% 0.084 251.4);
Tailwind
colors: {
custom: {
50: '#92acce',
500: '#618bb9',
950: '#000000',
},
}SCSS
$custom: #618bb9; $custom-light: #92acce; $custom-dark: #000000;
JSON
{
"hex": "#618bb9",
"rgb": {
"r": 97,
"g": 139,
"b": 185
},
"hsl": {
"h": 211.364,
"s": 38.596,
"l": 55.294
},
"oklch": {
"l": 0.62471,
"c": 0.084,
"h": 251.4
},
"luminance": 0.24509
}Semantic roles & 50–950 ramp
primary
#618BB9
secondary
#CDBCA9
accent
#9759CF
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0D1013
muted
#7E7F82