#90B5CB#90B5CB
#90B5CB is a light, muted cyan. Relative luminance 0.433; OKLCH L 75.4% C 0.051 H 234.4°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).
Color values
| HEX | #90B5CB |
|---|---|
| RGB | rgb(144, 181, 203) |
| HSL | hsl(202, 36%, 68%) |
| HSV | hsv(202, 29%, 80%) |
| CMYK | cmyk(29.1%, 10.8%, 0%, 20.4%) |
| CIE-LAB | lab(71.75, -7.32, -15.19) |
| CIE-LCH | lch(71.75, 16.86, 244.28°) |
| OKLab | oklab(75.35% -0.0297 -0.0415) |
| OKLCH | oklch(75.35% 0.051 234.4) |
| XYZ | xyz(38.8017, 43.2872, 62.7991) |
| Luminance | 0.4329 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Light Grey Blue
#9DBCD4
ΔE00 3.13
Bluegrey
#85A3B2
ΔE00 5.67
Cloudy Blue
#ACC2D9
ΔE00 6.37
Greyblue
#77A1B5
ΔE00 6.43
Bluey Grey
#89A0B0
ΔE00 6.63
Cool Gray
#9AA7B0
ΔE00 7.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#90B5CB #CBA690
analogous
#90CBC3 #90B5CB #9097CB
triadic
#90B5CB #CB90B5 #B5CB90
tetradic
#90B5CB #C390CB #CBA690 #97CB90
square
#90B5CB #C390CB #CBA690 #97CB90
split-complementary
#90B5CB #CB9097 #CBC390
monochromatic
#487B99 #6699B7 #90B5CB #BAD1DF #E3EDF2
Accessibility & contrast
On white
2.17
#90B5CB on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
9.66
#90B5CB on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #90B5CB
9.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##90B5CB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##90B5CB | 1.00 | 2.17 | 9.66 | 9.66 |
| #FFFFFF | 2.17 | 1.00 | 21.00 | 21.00 |
| #000000 | 9.66 | 21.00 | 1.00 | 1.00 |
| ##000000 | 9.66 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#ABB4CC
Deuteranopia (green-blind)
#A3ADCB
Tritanopia (blue-blind)
#7EBBBC
Achromatopsia (no color)
#B0B0B0
Design tokens & code
CSS
--color: #90b5cb; /* rgb */ color: rgb(144, 181, 203); /* oklch */ color: oklch(75.4% 0.051 234.4);
Tailwind
colors: {
custom: {
50: '#b2cbda',
500: '#90b5cb',
950: '#000000',
},
}SCSS
$custom: #90b5cb; $custom-light: #b2cbda; $custom-dark: #000000;
JSON
{
"hex": "#90b5cb",
"rgb": {
"r": 144,
"g": 181,
"b": 203
},
"hsl": {
"h": 202.373,
"s": 36.196,
"l": 68.039
},
"oklch": {
"l": 0.75352,
"c": 0.05102,
"h": 234.4
},
"luminance": 0.43289
}Semantic roles & 50–950 ramp
primary
#90B5CB
secondary
#E4D9D2
accent
#6336AF
background
#FBFCFD
surface
#F6F8FA
border
#D0D1D3
text
#111314
muted
#808283