#307AC1#307AC1
#307AC1 is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 56.8% C 0.132 H 250.6°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).
Color values
| HEX | #307AC1 |
|---|---|
| RGB | rgb(48, 122, 193) |
| HSL | hsl(209, 60%, 47%) |
| HSV | hsv(209, 75%, 76%) |
| CMYK | cmyk(75.1%, 36.8%, 0%, 24.3%) |
| CIE-LAB | lab(49.97, 1.70, -43.63) |
| CIE-LCH | lch(49.97, 43.67, 272.23°) |
| OKLab | oklab(56.83% -0.0438 -0.1243) |
| OKLCH | oklch(56.83% 0.132 250.6) |
| XYZ | xyz(17.8005, 18.3957, 53.0543) |
| Luminance | 0.1840 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Windows Blue
#3778BF
ΔE00 1.24
Bluish
#2976BB
ΔE00 1.71
Steel Blue
#4682B4
ΔE00 3.67
Flat Blue
#3C73A8
ΔE00 3.68
Cool Blue
#4984B8
ΔE00 4.09
Medium Blue
#2C6FBB
ΔE00 4.17
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#307AC1 #C17730
analogous
#30C1BF #307AC1 #3032C1
triadic
#307AC1 #C1307A #7AC130
tetradic
#307AC1 #BF30C1 #C17730 #32C130
square
#307AC1 #BF30C1 #C17730 #32C130
split-complementary
#307AC1 #C13032 #C1BF30
monochromatic
#183C5F #245B90 #307AC1 #5998D6 #8AB7E2
Accessibility & contrast
On white
4.49
#307AC1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.68
#307AC1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #307AC1
4.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##307AC1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##307AC1 | 1.00 | 4.49 | 4.68 | 4.68 |
| #FFFFFF | 4.49 | 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)
#597EC4
Deuteranopia (green-blind)
#4371C0
Tritanopia (blue-blind)
#008B94
Achromatopsia (no color)
#777777
Design tokens & code
CSS
--color: #307ac1; /* rgb */ color: rgb(48, 122, 193); /* oklch */ color: oklch(56.8% 0.132 250.6);
Tailwind
colors: {
custom: {
50: '#7ca0d4',
500: '#307ac1',
950: '#000000',
},
}SCSS
$custom: #307ac1; $custom-light: #7ca0d4; $custom-dark: #000000;
JSON
{
"hex": "#307ac1",
"rgb": {
"r": 48,
"g": 122,
"b": 193
},
"hsl": {
"h": 209.379,
"s": 60.166,
"l": 47.255
},
"oklch": {
"l": 0.56833,
"c": 0.13176,
"h": 250.6
},
"luminance": 0.18398
}Semantic roles & 50–950 ramp
primary
#307AC1
secondary
#CCA681
accent
#9244E3
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83