#2B91BA#2B91BA
#2B91BA is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.8% C 0.109 H 229.8°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).
Color values
| HEX | #2B91BA |
|---|---|
| RGB | rgb(43, 145, 186) |
| HSL | hsl(197, 62%, 45%) |
| HSV | hsv(197, 77%, 73%) |
| CMYK | cmyk(76.9%, 22%, 0%, 27.1%) |
| CIE-LAB | lab(56.39, -14.74, -29.57) |
| CIE-LCH | lch(56.39, 33.04, 243.50°) |
| OKLab | oklab(61.77% -0.0703 -0.0831) |
| OKLCH | oklch(61.77% 0.109 229.8) |
| XYZ | xyz(19.9810, 24.3072, 50.0835) |
| Luminance | 0.2431 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 6.30
Water Blue
#0E87CC
ΔE00 7.38
Teal Blue
#01889F
ΔE00 7.80
Dusty Blue
#5A86AD
ΔE00 7.90
Steel Blue
#4682B4
ΔE00 7.98
Cool Blue
#4984B8
ΔE00 8.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B91BA #BA542B
analogous
#2BBA9C #2B91BA #2B49BA
triadic
#2B91BA #BA2B91 #91BA2B
tetradic
#2B91BA #9C2BBA #BA542B #49BA2B
square
#2B91BA #9C2BBA #BA542B #49BA2B
split-complementary
#2B91BA #BA2B49 #BA9C2B
monochromatic
#144357 #206A88 #2B91BA #4CAED6 #7EC5E1
Accessibility & contrast
On white
3.58
#2B91BA on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.86
#2B91BA on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2B91BA
5.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B91BA | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2B91BA | 1.00 | 3.58 | 5.86 | 5.86 |
| #FFFFFF | 3.58 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.86 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.86 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7C8FBC
Deuteranopia (green-blind)
#6981B9
Tritanopia (blue-blind)
#009C9F
Achromatopsia (no color)
#878787
Design tokens & code
CSS
--color: #2b91ba; /* rgb */ color: rgb(43, 145, 186); /* oklch */ color: oklch(61.8% 0.109 229.8);
Tailwind
colors: {
custom: {
50: '#7ab1cf',
500: '#2b91ba',
950: '#000000',
},
}SCSS
$custom: #2b91ba; $custom-light: #7ab1cf; $custom-dark: #000000;
JSON
{
"hex": "#2b91ba",
"rgb": {
"r": 43,
"g": 145,
"b": 186
},
"hsl": {
"h": 197.203,
"s": 62.445,
"l": 44.902
},
"oklch": {
"l": 0.61773,
"c": 0.10886,
"h": 229.8
},
"luminance": 0.2431
}Semantic roles & 50–950 ramp
primary
#2B91BA
secondary
#CA8F77
accent
#7142E6
background
#F8FAFC
surface
#EFF5F9
border
#CACFD2
text
#0B1013
muted
#7C7F82