#2176BD#2176BD
#2176BD is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.3% C 0.135 H 248.8°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).
Color values
| HEX | #2176BD |
|---|---|
| RGB | rgb(33, 118, 189) |
| HSL | hsl(207, 70%, 44%) |
| HSV | hsv(207, 83%, 74%) |
| CMYK | cmyk(82.5%, 37.6%, 0%, 25.9%) |
| CIE-LAB | lab(48.20, 1.00, -44.17) |
| CIE-LCH | lch(48.20, 44.18, 271.29°) |
| OKLab | oklab(55.27% -0.0489 -0.126) |
| OKLCH | oklch(55.27% 0.135 248.8) |
| XYZ | xyz(16.2874, 16.9523, 50.5479) |
| Luminance | 0.1695 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bluish
#2976BB
ΔE00 0.50
Windows Blue
#3778BF
ΔE00 2.22
Flat Blue
#3C73A8
ΔE00 2.88
Medium Blue
#2C6FBB
ΔE00 3.27
Muted Blue
#3B719F
ΔE00 3.90
Nice Blue
#107AB0
ΔE00 4.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2176BD #BD6821
analogous
#21BDB6 #2176BD #2128BD
triadic
#2176BD #BD2176 #76BD21
tetradic
#2176BD #B621BD #BD6821 #28BD21
square
#2176BD #B621BD #BD6821 #28BD21
split-complementary
#2176BD #BD2128 #BDB621
monochromatic
#0F3555 #185589 #2176BD #3E95DD #72B1E6
Accessibility & contrast
On white
4.78
#2176BD on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.39
#2176BD on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #2176BD
4.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2176BD | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2176BD | 1.00 | 4.78 | 4.39 | 4.78 |
| #FFFFFF | 4.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#547AC0
Deuteranopia (green-blind)
#3C6CBC
Tritanopia (blue-blind)
#008790
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #2176bd; /* rgb */ color: rgb(33, 118, 189); /* oklch */ color: oklch(55.3% 0.135 248.8);
Tailwind
colors: {
custom: {
50: '#779dd1',
500: '#2176bd',
950: '#000000',
},
}SCSS
$custom: #2176bd; $custom-light: #779dd1; $custom-dark: #000000;
JSON
{
"hex": "#2176bd",
"rgb": {
"r": 33,
"g": 118,
"b": 189
},
"hsl": {
"h": 207.308,
"s": 70.27,
"l": 43.529
},
"oklch": {
"l": 0.55266,
"c": 0.1352,
"h": 248.8
},
"luminance": 0.16954
}Semantic roles & 50–950 ramp
primary
#2176BD
secondary
#CD996D
accent
#8C3BED
background
#F7F9FC
surface
#EEF2F9
border
#C9CCD2
text
#0A0E14
muted
#7C7E82