#2D91BC#2D91BC
#2D91BC is a mid, moderate cyan. Relative luminance 0.244; OKLCH L 61.9% C 0.110 H 231.3°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).
Color values
| HEX | #2D91BC |
|---|---|
| RGB | rgb(45, 145, 188) |
| HSL | hsl(198, 61%, 46%) |
| HSV | hsv(198, 76%, 74%) |
| CMYK | cmyk(76.1%, 22.9%, 0%, 26.3%) |
| CIE-LAB | lab(56.52, -13.82, -30.50) |
| CIE-LCH | lch(56.52, 33.48, 245.63°) |
| OKLab | oklab(61.92% -0.0687 -0.0858) |
| OKLCH | oklch(61.92% 0.11 231.3) |
| XYZ | xyz(20.2810, 24.4371, 51.2151) |
| Luminance | 0.2444 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 6.62
Water Blue
#0E87CC
ΔE00 6.71
Steel Blue
#4682B4
ΔE00 7.54
Dusty Blue
#5A86AD
ΔE00 7.54
Cool Blue
#4984B8
ΔE00 7.55
Off Blue
#5684AE
ΔE00 7.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D91BC #BC582D
analogous
#2DBC9F #2D91BC #2D49BC
triadic
#2D91BC #BC2D91 #91BC2D
tetradic
#2D91BC #9F2DBC #BC582D #49BC2D
square
#2D91BC #9F2DBC #BC582D #49BC2D
split-complementary
#2D91BC #BC2D49 #BC9F2D
monochromatic
#154559 #216B8B #2D91BC #51ADD5 #82C5E1
Accessibility & contrast
On white
3.57
#2D91BC on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.89
#2D91BC on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #2D91BC
5.89:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D91BC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##2D91BC | 1.00 | 3.57 | 5.89 | 5.89 |
| #FFFFFF | 3.57 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.89 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.89 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7B8FBE
Deuteranopia (green-blind)
#6882BB
Tritanopia (blue-blind)
#009D9F
Achromatopsia (no color)
#888888
Design tokens & code
CSS
--color: #2d91bc; /* rgb */ color: rgb(45, 145, 188); /* oklch */ color: oklch(61.9% 0.110 231.3);
Tailwind
colors: {
custom: {
50: '#7bb1d0',
500: '#2d91bc',
950: '#000000',
},
}SCSS
$custom: #2d91bc; $custom-light: #7bb1d0; $custom-dark: #000000;
JSON
{
"hex": "#2d91bc",
"rgb": {
"r": 45,
"g": 145,
"b": 188
},
"hsl": {
"h": 198.042,
"s": 61.373,
"l": 45.686
},
"oklch": {
"l": 0.61916,
"c": 0.10992,
"h": 231.3
},
"luminance": 0.2444
}Semantic roles & 50–950 ramp
primary
#2D91BC
secondary
#CA937B
accent
#7443E4
background
#F8FAFC
surface
#EFF5F9
border
#CACFD2
text
#0B1014
muted
#7C7F82