#307CB6#307CB6
#307CB6 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.7% C 0.116 H 245.2°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #307CB6 |
|---|---|
| RGB | rgb(48, 124, 182) |
| HSL | hsl(206, 58%, 45%) |
| HSV | hsv(206, 74%, 71%) |
| CMYK | cmyk(73.6%, 31.9%, 0%, 28.6%) |
| CIE-LAB | lab(50.00, -3.51, -37.26) |
| CIE-LCH | lch(50.00, 37.43, 264.62°) |
| OKLab | oklab(56.67% -0.0488 -0.1056) |
| OKLCH | oklch(56.67% 0.116 245.2) |
| XYZ | xyz(16.8668, 18.4192, 46.9132) |
| Luminance | 0.1842 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bluish
#2976BB
ΔE00 2.66
Steel Blue
#4682B4
ΔE00 2.87
Nice Blue
#107AB0
ΔE00 3.05
Windows Blue
#3778BF
ΔE00 3.21
Cool Blue
#4984B8
ΔE00 3.65
Flat Blue
#3C73A8
ΔE00 4.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#307CB6 #B66A30
analogous
#30B6AD #307CB6 #3039B6
triadic
#307CB6 #B6307C #7CB630
tetradic
#307CB6 #AD30B6 #B66A30 #39B630
square
#307CB6 #AD30B6 #B66A30 #39B630
split-complementary
#307CB6 #B63039 #B6AD30
monochromatic
#163A55 #235B86 #307CB6 #529AD1 #82B6DE
Accessibility & contrast
On white
4.48
#307CB6 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.68
#307CB6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #307CB6
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##307CB6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##307CB6 | 1.00 | 4.48 | 4.68 | 4.68 |
| #FFFFFF | 4.48 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.68 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.68 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#617EB9
Deuteranopia (green-blind)
#4F71B5
Tritanopia (blue-blind)
#008A91
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #307cb6; /* rgb */ color: rgb(48, 124, 182); /* oklch */ color: oklch(56.7% 0.116 245.2);
Tailwind
colors: {
custom: {
50: '#7aa1cc',
500: '#307cb6',
950: '#000000',
},
}SCSS
$custom: #307cb6; $custom-light: #7aa1cc; $custom-dark: #000000;
JSON
{
"hex": "#307cb6",
"rgb": {
"r": 48,
"g": 124,
"b": 182
},
"hsl": {
"h": 205.97,
"s": 58.261,
"l": 45.098
},
"oklch": {
"l": 0.5667,
"c": 0.11634,
"h": 245.2
},
"luminance": 0.18421
}Semantic roles & 50–950 ramp
primary
#307CB6
secondary
#C79C7B
accent
#8946E1
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0A0E13
muted
#7C7E82