#2270BB#2270BB
#2270BB is a mid, vivid cyan. Relative luminance 0.155; OKLCH L 53.8% C 0.139 H 251.5°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).
Color values
| HEX | #2270BB |
|---|---|
| RGB | rgb(34, 112, 187) |
| HSL | hsl(209, 69%, 43%) |
| HSV | hsv(209, 82%, 73%) |
| CMYK | cmyk(81.8%, 40.1%, 0%, 26.7%) |
| CIE-LAB | lab(46.33, 4.03, -45.99) |
| CIE-LCH | lch(46.33, 46.17, 275.01°) |
| OKLab | oklab(53.77% -0.0439 -0.1315) |
| OKLCH | oklch(53.77% 0.139 251.5) |
| XYZ | xyz(15.4201, 15.5144, 49.1859) |
| Luminance | 0.1552 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.18
Bluish
#2976BB
ΔE00 2.25
Mid Blue
#276AB3
ΔE00 2.40
Flat Blue
#3C73A8
ΔE00 2.51
Windows Blue
#3778BF
ΔE00 3.18
Muted Blue
#3B719F
ΔE00 3.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2270BB #BB6D22
analogous
#22BBB9 #2270BB #2223BB
triadic
#2270BB #BB2270 #70BB22
tetradic
#2270BB #B922BB #BB6D22 #23BB22
square
#2270BB #B922BB #BB6D22 #23BB22
split-complementary
#2270BB #BB2223 #BBB922
monochromatic
#0F3253 #195187 #2270BB #3E8FDC #72ADE5
Accessibility & contrast
On white
5.12
#2270BB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.10
#2270BB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2270BB
5.12:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2270BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2270BB | 1.00 | 5.12 | 4.10 | 5.12 |
| #FFFFFF | 5.12 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.12 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B75BE
Deuteranopia (green-blind)
#3267BA
Tritanopia (blue-blind)
#00828C
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #2270bb; /* rgb */ color: rgb(34, 112, 187); /* oklch */ color: oklch(53.8% 0.139 251.5);
Tailwind
colors: {
custom: {
50: '#7698d0',
500: '#2270bb',
950: '#000000',
},
}SCSS
$custom: #2270bb; $custom-light: #7698d0; $custom-dark: #000000;
JSON
{
"hex": "#2270bb",
"rgb": {
"r": 34,
"g": 112,
"b": 187
},
"hsl": {
"h": 209.412,
"s": 69.231,
"l": 43.333
},
"oklch": {
"l": 0.53772,
"c": 0.13862,
"h": 251.5
},
"luminance": 0.15516
}Semantic roles & 50–950 ramp
primary
#2270BB
secondary
#CC9B6D
accent
#923CEC
background
#F7F9FC
surface
#EEF2F9
border
#C9CCD2
text
#0A0D14
muted
#7C7E82