#3B6ACC#3B6ACC
#3B6ACC is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.4% C 0.161 H 262.9°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).
Color values
| HEX | #3B6ACC |
|---|---|
| RGB | rgb(59, 106, 204) |
| HSL | hsl(221, 59%, 52%) |
| HSV | hsv(221, 71%, 80%) |
| CMYK | cmyk(71.1%, 48%, 0%, 20%) |
| CIE-LAB | lab(46.44, 17.21, -55.57) |
| CIE-LCH | lch(46.44, 58.17, 287.21°) |
| OKLab | oklab(54.41% -0.0198 -0.1594) |
| OKLCH | oklch(54.41% 0.161 262.9) |
| XYZ | xyz(17.8529, 15.5956, 59.1844) |
| Luminance | 0.1560 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 3.21
French Blue
#436BAD
ΔE00 3.59
Cornflower Blue
#5170D7
ΔE00 3.90
Cerulean Blue
#056EEE
ΔE00 4.21
Medium Blue
#2C6FBB
ΔE00 4.47
Mid Blue
#276AB3
ΔE00 4.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B6ACC #CC9D3B
analogous
#3BB2CC #3B6ACC #553BCC
triadic
#3B6ACC #CC3B6A #6ACC3B
tetradic
#3B6ACC #CC3BB2 #CC9D3B #3BCC55
square
#3B6ACC #CC3BB2 #CC9D3B #3BCC55
split-complementary
#3B6ACC #CC553B #B2CC3B
monochromatic
#1D3870 #2A50A0 #3B6ACC #6C8FD9 #9CB4E5
Accessibility & contrast
On white
5.10
#3B6ACC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.12
#3B6ACC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3B6ACC
5.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B6ACC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B6ACC | 1.00 | 5.10 | 4.12 | 5.10 |
| #FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3475D0
Deuteranopia (green-blind)
#0868CA
Tritanopia (blue-blind)
#008191
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #3b6acc; /* rgb */ color: rgb(59, 106, 204); /* oklch */ color: oklch(54.4% 0.161 262.9);
Tailwind
colors: {
custom: {
50: '#8294dc',
500: '#3b6acc',
950: '#000000',
},
}SCSS
$custom: #3b6acc; $custom-light: #8294dc; $custom-dark: #000000;
JSON
{
"hex": "#3b6acc",
"rgb": {
"r": 59,
"g": 106,
"b": 204
},
"hsl": {
"h": 220.552,
"s": 58.704,
"l": 51.569
},
"oklch": {
"l": 0.5441,
"c": 0.16064,
"h": 262.9
},
"luminance": 0.15598
}Semantic roles & 50–950 ramp
primary
#3B6ACC
secondary
#D1BD92
accent
#AF46E2
background
#F8F9FD
surface
#F0F1FB
border
#CBCBD4
text
#0C0D15
muted
#7D7E83