#5B88BB#5B88BB
#5B88BB is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.6% C 0.092 H 252.4°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).
Color values
| HEX | #5B88BB |
|---|---|
| RGB | rgb(91, 136, 187) |
| HSL | hsl(212, 41%, 55%) |
| HSV | hsv(212, 51%, 73%) |
| CMYK | cmyk(51.3%, 27.3%, 0%, 26.7%) |
| CIE-LAB | lab(55.50, -0.80, -31.39) |
| CIE-LCH | lch(55.50, 31.40, 268.53°) |
| OKLab | oklab(61.56% -0.0279 -0.0879) |
| OKLCH | oklch(61.56% 0.092 252.4) |
| XYZ | xyz(22.0851, 23.4187, 50.3605) |
| Luminance | 0.2342 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Faded Blue
#658CBB
ΔE00 1.94
Off Blue
#5684AE
ΔE00 2.61
Dusty Blue
#5A86AD
ΔE00 2.63
Cool Blue
#4984B8
ΔE00 3.15
Steel Blue
#4682B4
ΔE00 3.97
Dark Sky Blue
#448EE4
ΔE00 4.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5B88BB #BB8E5B
analogous
#5BB8BB #5B88BB #5E5BBB
triadic
#5B88BB #BB5B88 #88BB5B
tetradic
#5B88BB #BB5BB8 #BB8E5B #5BBB5E
square
#5B88BB #BB5BB8 #BB8E5B #5BBB5E
split-complementary
#5B88BB #BB5E5B #B8BB5B
monochromatic
#2E4C6E #406A99 #5B88BB #86A7CD #B2C7DF
Accessibility & contrast
On white
3.69
#5B88BB on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.68
#5B88BB on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #5B88BB
5.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5B88BB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##5B88BB | 1.00 | 3.69 | 5.68 | 5.68 |
| #FFFFFF | 3.69 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#748ABD
Deuteranopia (green-blind)
#6881BA
Tritanopia (blue-blind)
#2A949A
Achromatopsia (no color)
#858585
Design tokens & code
CSS
--color: #5b88bb; /* rgb */ color: rgb(91, 136, 187); /* oklch */ color: oklch(61.6% 0.092 252.4);
Tailwind
colors: {
custom: {
50: '#8faacf',
500: '#5b88bb',
950: '#000000',
},
}SCSS
$custom: #5b88bb; $custom-light: #8faacf; $custom-dark: #000000;
JSON
{
"hex": "#5b88bb",
"rgb": {
"r": 91,
"g": 136,
"b": 187
},
"hsl": {
"h": 211.875,
"s": 41.379,
"l": 54.51
},
"oklch": {
"l": 0.61557,
"c": 0.09227,
"h": 252.4
},
"luminance": 0.2342
}Semantic roles & 50–950 ramp
primary
#5B88BB
secondary
#CDBAA5
accent
#9857D1
background
#F9FAFC
surface
#F1F4F9
border
#CBCED2
text
#0D1014
muted
#7E7F82