#306CBC#306CBC
#306CBC is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.3% C 0.140 H 256.7°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).
Color values
| HEX | #306CBC |
|---|---|
| RGB | rgb(48, 108, 188) |
| HSL | hsl(214, 59%, 46%) |
| HSV | hsv(214, 74%, 74%) |
| CMYK | cmyk(74.5%, 42.6%, 0%, 26.3%) |
| CIE-LAB | lab(45.61, 8.52, -47.70) |
| CIE-LCH | lch(45.61, 48.45, 280.13°) |
| OKLab | oklab(53.34% -0.0323 -0.1364) |
| OKLCH | oklch(53.34% 0.14 256.7) |
| XYZ | xyz(15.6553, 14.9826, 49.6341) |
| Luminance | 0.1498 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Medium Blue
#2C6FBB
ΔE00 1.49
Mid Blue
#276AB3
ΔE00 1.83
French Blue
#436BAD
ΔE00 2.68
Flat Blue
#3C73A8
ΔE00 3.56
Denim
#1560BD
ΔE00 4.13
Muted Blue
#3B719F
ΔE00 4.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#306CBC #BC8030
analogous
#30B2BC #306CBC #3A30BC
triadic
#306CBC #BC306C #6CBC30
tetradic
#306CBC #BC30B2 #BC8030 #30BC3A
square
#306CBC #BC30B2 #BC8030 #30BC3A
split-complementary
#306CBC #BC3A30 #B2BC30
monochromatic
#17345A #24508B #306CBC #558CD4 #86ADE0
Accessibility & contrast
On white
5.25
#306CBC on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.00
#306CBC on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #306CBC
5.25:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##306CBC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##306CBC | 1.00 | 5.25 | 4.00 | 5.25 |
| #FFFFFF | 5.25 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.25 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4573BF
Deuteranopia (green-blind)
#2C66BA
Tritanopia (blue-blind)
#007F8B
Achromatopsia (no color)
#6C6C6C
Design tokens & code
CSS
--color: #306cbc; /* rgb */ color: rgb(48, 108, 188); /* oklch */ color: oklch(53.3% 0.140 256.7);
Tailwind
colors: {
custom: {
50: '#7b95d1',
500: '#306cbc',
950: '#000000',
},
}SCSS
$custom: #306cbc; $custom-light: #7b95d1; $custom-dark: #000000;
JSON
{
"hex": "#306cbc",
"rgb": {
"r": 48,
"g": 108,
"b": 188
},
"hsl": {
"h": 214.286,
"s": 59.322,
"l": 46.275
},
"oklch": {
"l": 0.53341,
"c": 0.14019,
"h": 256.7
},
"luminance": 0.14984
}Semantic roles & 50–950 ramp
primary
#306CBC
secondary
#CAA97E
accent
#9F45E3
background
#F8F9FC
surface
#EFF1F9
border
#CACBD2
text
#0B0D14
muted
#7C7E82