#3A70BF#3A70BF
#3A70BF is a mid, vivid blue. Relative luminance 0.162; OKLCH L 54.8% C 0.136 H 258.0°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).
Color values
| HEX | #3A70BF |
|---|---|
| RGB | rgb(58, 112, 191) |
| HSL | hsl(216, 53%, 49%) |
| HSV | hsv(216, 70%, 75%) |
| CMYK | cmyk(69.6%, 41.4%, 0%, 25.1%) |
| CIE-LAB | lab(47.30, 8.54, -46.72) |
| CIE-LCH | lch(47.30, 47.49, 280.36°) |
| OKLab | oklab(54.81% -0.0283 -0.1333) |
| OKLCH | oklch(54.81% 0.136 258) |
| XYZ | xyz(16.9397, 16.2477, 51.5235) |
| Luminance | 0.1625 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.95
French Blue
#436BAD
ΔE00 2.99
Mid Blue
#276AB3
ΔE00 3.34
Windows Blue
#3778BF
ΔE00 3.37
Flat Blue
#3C73A8
ΔE00 3.39
Bluish
#2976BB
ΔE00 4.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A70BF #BF893A
analogous
#3AB3BF #3A70BF #473ABF
triadic
#3A70BF #BF3A70 #70BF3A
tetradic
#3A70BF #BF3AB3 #BF893A #3ABF47
square
#3A70BF #BF3AB3 #BF893A #3ABF47
split-complementary
#3A70BF #BF473A #B3BF3A
monochromatic
#1D3961 #2C5490 #3A70BF #6691D0 #95B3DF
Accessibility & contrast
On white
4.94
#3A70BF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.25
#3A70BF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3A70BF
4.94:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A70BF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3A70BF | 1.00 | 4.94 | 4.25 | 4.94 |
| #FFFFFF | 4.94 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.25 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.94 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B77C2
Deuteranopia (green-blind)
#356ABD
Tritanopia (blue-blind)
#00828E
Achromatopsia (no color)
#707070
Design tokens & code
CSS
--color: #3a70bf; /* rgb */ color: rgb(58, 112, 191); /* oklch */ color: oklch(54.8% 0.136 258.0);
Tailwind
colors: {
custom: {
50: '#7f98d3',
500: '#3a70bf',
950: '#000000',
},
}SCSS
$custom: #3a70bf; $custom-light: #7f98d3; $custom-dark: #000000;
JSON
{
"hex": "#3a70bf",
"rgb": {
"r": 58,
"g": 112,
"b": 191
},
"hsl": {
"h": 215.639,
"s": 53.414,
"l": 48.824
},
"oklch": {
"l": 0.54807,
"c": 0.1363,
"h": 258
},
"luminance": 0.16249
}Semantic roles & 50–950 ramp
primary
#3A70BF
secondary
#CAB08B
accent
#A24BDD
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0D14
muted
#7C7E83