#306DBA#306DBA
#306DBA is a mid, vivid cyan. Relative luminance 0.151; OKLCH L 53.4% C 0.136 H 255.7°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).
Color values
| HEX | #306DBA |
|---|---|
| RGB | rgb(48, 109, 186) |
| HSL | hsl(213, 59%, 46%) |
| HSV | hsv(213, 74%, 73%) |
| CMYK | cmyk(74.2%, 41.4%, 0%, 27.1%) |
| CIE-LAB | lab(45.78, 7.14, -46.26) |
| CIE-LCH | lch(45.78, 46.81, 278.77°) |
| OKLab | oklab(53.44% -0.0336 -0.1322) |
| OKLCH | oklch(53.44% 0.136 255.7) |
| XYZ | xyz(15.5472, 15.1091, 48.5418) |
| Luminance | 0.1511 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.01
Mid Blue
#276AB3
ΔE00 1.68
French Blue
#436BAD
ΔE00 2.87
Flat Blue
#3C73A8
ΔE00 3.13
Muted Blue
#3B719F
ΔE00 3.92
Bluish
#2976BB
ΔE00 3.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#306DBA #BA7D30
analogous
#30B2BA #306DBA #3830BA
triadic
#306DBA #BA306D #6DBA30
tetradic
#306DBA #BA30B2 #BA7D30 #30BA38
square
#306DBA #BA30B2 #BA7D30 #30BA38
split-complementary
#306DBA #BA3830 #B2BA30
monochromatic
#173459 #235089 #306DBA #548CD3 #85ADDF
Accessibility & contrast
On white
5.22
#306DBA on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.02
#306DBA on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #306DBA
5.22:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##306DBA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##306DBA | 1.00 | 5.22 | 4.02 | 5.22 |
| #FFFFFF | 5.22 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.02 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.22 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4873BD
Deuteranopia (green-blind)
#3167B8
Tritanopia (blue-blind)
#007F8A
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #306dba; /* rgb */ color: rgb(48, 109, 186); /* oklch */ color: oklch(53.4% 0.136 255.7);
Tailwind
colors: {
custom: {
50: '#7b96cf',
500: '#306dba',
950: '#000000',
},
}SCSS
$custom: #306dba; $custom-light: #7b96cf; $custom-dark: #000000;
JSON
{
"hex": "#306dba",
"rgb": {
"r": 48,
"g": 109,
"b": 186
},
"hsl": {
"h": 213.478,
"s": 58.974,
"l": 45.882
},
"oklch": {
"l": 0.53437,
"c": 0.1364,
"h": 255.7
},
"luminance": 0.15111
}Semantic roles & 50–950 ramp
primary
#306DBA
secondary
#C9A77D
accent
#9D46E2
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0B0D14
muted
#7C7E82