#3A7FB3#3A7FB3
#3A7FB3 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.6% C 0.106 H 244.0°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).
Color values
| HEX | #3A7FB3 |
|---|---|
| RGB | rgb(58, 127, 179) |
| HSL | hsl(206, 51%, 46%) |
| HSV | hsv(206, 68%, 70%) |
| CMYK | cmyk(67.6%, 29.1%, 0%, 29.8%) |
| CIE-LAB | lab(51.07, -4.83, -33.83) |
| CIE-LCH | lch(51.07, 34.17, 261.87°) |
| OKLab | oklab(57.56% -0.0465 -0.0955) |
| OKLCH | oklch(57.56% 0.106 244) |
| XYZ | xyz(17.4679, 19.3311, 45.4498) |
| Luminance | 0.1933 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 1.69
Cool Blue
#4984B8
ΔE00 2.58
Nice Blue
#107AB0
ΔE00 3.53
Off Blue
#5684AE
ΔE00 3.85
Bluish
#2976BB
ΔE00 3.89
Cerulean (survey)
#0485D1
ΔE00 3.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A7FB3 #B36E3A
analogous
#3AB3AB #3A7FB3 #3A43B3
triadic
#3A7FB3 #B33A7F #7FB33A
tetradic
#3A7FB3 #AB3AB3 #B36E3A #43B33A
square
#3A7FB3 #AB3AB3 #B36E3A #43B33A
split-complementary
#3A7FB3 #B33A43 #B3AB3A
monochromatic
#1C3D57 #2B5E85 #3A7FB3 #5F9DCB #8DB9DA
Accessibility & contrast
On white
4.32
#3A7FB3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.87
#3A7FB3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #3A7FB3
4.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A7FB3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##3A7FB3 | 1.00 | 4.32 | 4.87 | 4.87 |
| #FFFFFF | 4.32 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.87 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.87 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6880B5
Deuteranopia (green-blind)
#5774B2
Tritanopia (blue-blind)
#008C91
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #3a7fb3; /* rgb */ color: rgb(58, 127, 179); /* oklch */ color: oklch(57.6% 0.106 244.0);
Tailwind
colors: {
custom: {
50: '#7da3ca',
500: '#3a7fb3',
950: '#000000',
},
}SCSS
$custom: #3a7fb3; $custom-light: #7da3ca; $custom-dark: #000000;
JSON
{
"hex": "#3a7fb3",
"rgb": {
"r": 58,
"g": 127,
"b": 179
},
"hsl": {
"h": 205.785,
"s": 51.055,
"l": 46.471
},
"oklch": {
"l": 0.57559,
"c": 0.10621,
"h": 244
},
"luminance": 0.19333
}Semantic roles & 50–950 ramp
primary
#3A7FB3
secondary
#C5A084
accent
#8A4DDB
background
#F8FAFC
surface
#EFF3F8
border
#CACDD1
text
#0B0F13
muted
#7C7F82