#306A9B#306A9B
#306A9B is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.9% C 0.099 H 246.8°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).
Color values
| HEX | #306A9B |
|---|---|
| RGB | rgb(48, 106, 155) |
| HSL | hsl(207, 53%, 40%) |
| HSV | hsv(207, 69%, 61%) |
| CMYK | cmyk(69%, 31.6%, 0%, 39.2%) |
| CIE-LAB | lab(43.21, -2.42, -32.15) |
| CIE-LCH | lch(43.21, 32.24, 265.70°) |
| OKLab | oklab(50.88% -0.0389 -0.0909) |
| OKLCH | oklch(50.88% 0.099 246.8) |
| XYZ | xyz(12.2871, 13.3017, 32.9239) |
| Luminance | 0.1330 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Muted Blue
#3B719F
ΔE00 2.65
Mid Blue
#276AB3
ΔE00 3.08
Ugly Blue
#31668A
ΔE00 3.31
Denim (survey)
#3B638C
ΔE00 3.54
Flat Blue
#3C73A8
ΔE00 3.69
Peacock Blue
#016795
ΔE00 4.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#306A9B #9B6130
analogous
#309B97 #306A9B #30349B
triadic
#306A9B #9B306A #6A9B30
tetradic
#306A9B #97309B #9B6130 #349B30
square
#306A9B #97309B #9B6130 #349B30
split-complementary
#306A9B #9B3034 #9B9730
monochromatic
#132A3E #224A6C #306A9B #438AC5 #72A7D3
Accessibility & contrast
On white
5.74
#306A9B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.66
#306A9B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #306A9B
5.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##306A9B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##306A9B | 1.00 | 5.74 | 3.66 | 5.74 |
| #FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.66 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#546C9D
Deuteranopia (green-blind)
#45619A
Tritanopia (blue-blind)
#00767B
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #306a9b; /* rgb */ color: rgb(48, 106, 155); /* oklch */ color: oklch(50.9% 0.099 246.8);
Tailwind
colors: {
custom: {
50: '#7594b8',
500: '#306a9b',
950: '#000000',
},
}SCSS
$custom: #306a9b; $custom-light: #7594b8; $custom-dark: #000000;
JSON
{
"hex": "#306a9b",
"rgb": {
"r": 48,
"g": 106,
"b": 155
},
"hsl": {
"h": 207.477,
"s": 52.709,
"l": 39.804
},
"oklch": {
"l": 0.50881,
"c": 0.09888,
"h": 246.8
},
"luminance": 0.13303
}Semantic roles & 50–950 ramp
primary
#306A9B
secondary
#BB906C
accent
#8E4CDC
background
#F7F9FB
surface
#EDF1F6
border
#C8CBD0
text
#090D11
muted
#7B7E80