#2B75B9#2B75B9
#2B75B9 is a mid, vivid cyan. Relative luminance 0.167; OKLCH L 55.0% C 0.128 H 249.9°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).
Color values
| HEX | #2B75B9 |
|---|---|
| RGB | rgb(43, 117, 185) |
| HSL | hsl(209, 62%, 45%) |
| HSV | hsv(209, 77%, 73%) |
| CMYK | cmyk(76.8%, 36.8%, 0%, 27.5%) |
| CIE-LAB | lab(47.93, 1.17, -42.28) |
| CIE-LCH | lch(47.93, 42.30, 271.58°) |
| OKLab | oklab(55.05% -0.0442 -0.1204) |
| OKLCH | oklch(55.05% 0.128 249.9) |
| XYZ | xyz(16.1112, 16.7371, 48.2710) |
| Luminance | 0.1674 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bluish
#2976BB
ΔE00 0.44
Windows Blue
#3778BF
ΔE00 1.91
Flat Blue
#3C73A8
ΔE00 2.19
Medium Blue
#2C6FBB
ΔE00 2.59
Muted Blue
#3B719F
ΔE00 3.37
Mid Blue
#276AB3
ΔE00 4.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B75B9 #B96F2B
analogous
#2BB9B6 #2B75B9 #2B2EB9
triadic
#2B75B9 #B92B75 #75B92B
tetradic
#2B75B9 #B62BB9 #B96F2B #2EB92B
square
#2B75B9 #B62BB9 #B96F2B #2EB92B
split-complementary
#2B75B9 #B92B2E #B9B62B
monochromatic
#143656 #1F5687 #2B75B9 #4C94D5 #7EB1E1
Accessibility & contrast
On white
4.83
#2B75B9 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.35
#2B75B9 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2B75B9
4.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B75B9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B75B9 | 1.00 | 4.83 | 4.35 | 4.83 |
| #FFFFFF | 4.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.35 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5579BC
Deuteranopia (green-blind)
#406CB8
Tritanopia (blue-blind)
#00858E
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #2b75b9; /* rgb */ color: rgb(43, 117, 185); /* oklch */ color: oklch(55.0% 0.128 249.9);
Tailwind
colors: {
custom: {
50: '#799cce',
500: '#2b75b9',
950: '#000000',
},
}SCSS
$custom: #2b75b9; $custom-light: #799cce; $custom-dark: #000000;
JSON
{
"hex": "#2b75b9",
"rgb": {
"r": 43,
"g": 117,
"b": 185
},
"hsl": {
"h": 208.732,
"s": 62.281,
"l": 44.706
},
"oklch": {
"l": 0.5505,
"c": 0.12827,
"h": 249.9
},
"luminance": 0.16739
}Semantic roles & 50–950 ramp
primary
#2B75B9
secondary
#C99E76
accent
#9042E5
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0A0E13
muted
#7C7E82