#336BBA#336BBA
#336BBA is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.1% C 0.138 H 257.5°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).
Color values
| HEX | #336BBA |
|---|---|
| RGB | rgb(51, 107, 186) |
| HSL | hsl(215, 57%, 46%) |
| HSV | hsv(215, 73%, 73%) |
| CMYK | cmyk(72.6%, 42.5%, 0%, 27.1%) |
| CIE-LAB | lab(45.31, 8.81, -47.02) |
| CIE-LCH | lch(45.31, 47.84, 280.62°) |
| OKLab | oklab(53.1% -0.0298 -0.1344) |
| OKLCH | oklch(53.1% 0.138 257.5) |
| XYZ | xyz(15.4826, 14.7627, 48.4784) |
| Luminance | 0.1476 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Mid Blue
#276AB3
ΔE00 1.95
Medium Blue
#2C6FBB
ΔE00 2.01
French Blue
#436BAD
ΔE00 2.24
Denim
#1560BD
ΔE00 3.83
Flat Blue
#3C73A8
ΔE00 3.84
Muted Blue
#3B719F
ΔE00 4.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#336BBA #BA8233
analogous
#33AFBA #336BBA #3F33BA
triadic
#336BBA #BA336B #6BBA33
tetradic
#336BBA #BA33AF #BA8233 #33BA3F
square
#336BBA #BA33AF #BA8233 #33BA3F
split-complementary
#336BBA #BA3F33 #AFBA33
monochromatic
#19345A #264F8A #336BBA #598BD1 #89ACDF
Accessibility & contrast
On white
5.31
#336BBA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.95
#336BBA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #336BBA
5.31:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##336BBA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##336BBA | 1.00 | 5.31 | 3.95 | 5.31 |
| #FFFFFF | 5.31 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.31 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4572BD
Deuteranopia (green-blind)
#2D65B8
Tritanopia (blue-blind)
#007D89
Achromatopsia (no color)
#6B6B6B
Design tokens & code
CSS
--color: #336bba; /* rgb */ color: rgb(51, 107, 186); /* oklch */ color: oklch(53.1% 0.138 257.5);
Tailwind
colors: {
custom: {
50: '#7c94cf',
500: '#336bba',
950: '#000000',
},
}SCSS
$custom: #336bba; $custom-light: #7c94cf; $custom-dark: #000000;
JSON
{
"hex": "#336bba",
"rgb": {
"r": 51,
"g": 107,
"b": 186
},
"hsl": {
"h": 215.111,
"s": 56.962,
"l": 46.471
},
"oklch": {
"l": 0.53097,
"c": 0.13765,
"h": 257.5
},
"luminance": 0.14764
}Semantic roles & 50–950 ramp
primary
#336BBA
secondary
#C9AB80
accent
#A148E0
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0B0D14
muted
#7C7E82