#3B77AA#3B77AA
#3B77AA is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 55.2% C 0.101 H 246.6°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).
Color values
| HEX | #3B77AA |
|---|---|
| RGB | rgb(59, 119, 170) |
| HSL | hsl(208, 48%, 45%) |
| HSV | hsv(208, 65%, 67%) |
| CMYK | cmyk(65.3%, 30%, 0%, 33.3%) |
| CIE-LAB | lab(48.29, -3.04, -32.97) |
| CIE-LCH | lch(48.29, 33.11, 264.72°) |
| OKLab | oklab(55.24% -0.0402 -0.093) |
| OKLCH | oklch(55.24% 0.101 246.6) |
| XYZ | xyz(15.6535, 17.0242, 40.4835) |
| Luminance | 0.1703 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Flat Blue
#3C73A8
ΔE00 1.73
Bluish
#2976BB
ΔE00 2.16
Muted Blue
#3B719F
ΔE00 2.46
Dull Blue
#49759C
ΔE00 2.60
Windows Blue
#3778BF
ΔE00 2.82
Medium Blue
#2C6FBB
ΔE00 3.86
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B77AA #AA6E3B
analogous
#3BAAA6 #3B77AA #3B3FAA
triadic
#3B77AA #AA3B77 #77AA3B
tetradic
#3B77AA #A63BAA #AA6E3B #3FAA3B
square
#3B77AA #A63BAA #AA6E3B #3FAA3B
split-complementary
#3B77AA #AA3B3F #AAA63B
monochromatic
#1B374F #2B577D #3B77AA #5C95C6 #89B3D6
Accessibility & contrast
On white
4.77
#3B77AA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.41
#3B77AA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3B77AA
4.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B77AA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B77AA | 1.00 | 4.77 | 4.41 | 4.77 |
| #FFFFFF | 4.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6179AC
Deuteranopia (green-blind)
#516EA9
Tritanopia (blue-blind)
#008389
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #3b77aa; /* rgb */ color: rgb(59, 119, 170); /* oklch */ color: oklch(55.2% 0.101 246.6);
Tailwind
colors: {
custom: {
50: '#7c9ec3',
500: '#3b77aa',
950: '#000000',
},
}SCSS
$custom: #3b77aa; $custom-light: #7c9ec3; $custom-dark: #000000;
JSON
{
"hex": "#3b77aa",
"rgb": {
"r": 59,
"g": 119,
"b": 170
},
"hsl": {
"h": 207.568,
"s": 48.472,
"l": 44.902
},
"oklch": {
"l": 0.55235,
"c": 0.10136,
"h": 246.6
},
"luminance": 0.17026
}Semantic roles & 50–950 ramp
primary
#3B77AA
secondary
#C09E80
accent
#8E50D8
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E12
muted
#7C7E81