#2B77C8#2B77C8
#2B77C8 is a mid, vivid cyan. Relative luminance 0.179; OKLCH L 56.4% C 0.145 H 253.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).
Color values
| HEX | #2B77C8 |
|---|---|
| RGB | rgb(43, 119, 200) |
| HSL | hsl(211, 65%, 48%) |
| HSV | hsv(211, 79%, 78%) |
| CMYK | cmyk(78.5%, 40.5%, 0%, 21.6%) |
| CIE-LAB | lab(49.34, 5.55, -48.65) |
| CIE-LCH | lch(49.34, 48.97, 276.51°) |
| OKLab | oklab(56.43% -0.0422 -0.1391) |
| OKLCH | oklch(56.43% 0.145 253.1) |
| XYZ | xyz(18.0145, 17.8752, 57.1332) |
| Luminance | 0.1788 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 0.97
Bluish
#2976BB
ΔE00 1.89
Medium Blue
#2C6FBB
ΔE00 3.22
Flat Blue
#3C73A8
ΔE00 3.63
Steel Blue
#4682B4
ΔE00 4.86
Muted Blue
#3B719F
ΔE00 5.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B77C8 #C87C2B
analogous
#2BC6C8 #2B77C8 #2D2BC8
triadic
#2B77C8 #C82B77 #77C82B
tetradic
#2B77C8 #C82BC6 #C87C2B #2BC82D
square
#2B77C8 #C82BC6 #C87C2B #2BC82D
split-complementary
#2B77C8 #C82D2B #C6C82B
monochromatic
#153B63 #205996 #2B77C8 #5696DB #88B5E5
Accessibility & contrast
On white
4.59
#2B77C8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.58
#2B77C8 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #2B77C8
4.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B77C8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B77C8 | 1.00 | 4.59 | 4.58 | 4.59 |
| #FFFFFF | 4.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.58 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#507DCB
Deuteranopia (green-blind)
#356FC6
Tritanopia (blue-blind)
#008A96
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #2b77c8; /* rgb */ color: rgb(43, 119, 200); /* oklch */ color: oklch(56.4% 0.145 253.1);
Tailwind
colors: {
custom: {
50: '#7c9dd9',
500: '#2b77c8',
950: '#000000',
},
}SCSS
$custom: #2b77c8; $custom-light: #7c9dd9; $custom-dark: #000000;
JSON
{
"hex": "#2b77c8",
"rgb": {
"r": 43,
"g": 119,
"b": 200
},
"hsl": {
"h": 210.955,
"s": 64.609,
"l": 47.647
},
"oklch": {
"l": 0.56428,
"c": 0.14535,
"h": 253.1
},
"luminance": 0.17877
}Semantic roles & 50–950 ramp
primary
#2B77C8
secondary
#CFA980
accent
#9740E8
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E15
muted
#7C7E83