#307EBF#307EBF
#307EBF is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.6% C 0.125 H 247.5°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).
Color values
| HEX | #307EBF |
|---|---|
| RGB | rgb(48, 126, 191) |
| HSL | hsl(207, 60%, 47%) |
| HSV | hsv(207, 75%, 75%) |
| CMYK | cmyk(74.9%, 34%, 0%, 25.1%) |
| CIE-LAB | lab(51.05, -1.44, -40.79) |
| CIE-LCH | lch(51.05, 40.81, 267.98°) |
| OKLab | oklab(57.64% -0.0481 -0.1159) |
| OKLCH | oklch(57.64% 0.125 247.5) |
| XYZ | xyz(18.0802, 19.3096, 52.0544) |
| Luminance | 0.1931 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Steel Blue
#4682B4
ΔE00 2.49
Windows Blue
#3778BF
ΔE00 2.94
Cool Blue
#4984B8
ΔE00 2.96
Bluish
#2976BB
ΔE00 3.02
Cerulean (survey)
#0485D1
ΔE00 3.30
Water Blue
#0E87CC
ΔE00 4.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#307EBF #BF7130
analogous
#30BFB9 #307EBF #3036BF
triadic
#307EBF #BF307E #7EBF30
tetradic
#307EBF #B930BF #BF7130 #36BF30
square
#307EBF #B930BF #BF7130 #36BF30
split-complementary
#307EBF #BF3036 #BFB930
monochromatic
#173D5D #245E8E #307EBF #579CD5 #88B9E1
Accessibility & contrast
On white
4.32
#307EBF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.86
#307EBF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #307EBF
4.86:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##307EBF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##307EBF | 1.00 | 4.32 | 4.86 | 4.86 |
| #FFFFFF | 4.32 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.86 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.86 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#6081C2
Deuteranopia (green-blind)
#4C74BE
Tritanopia (blue-blind)
#008E95
Achromatopsia (no color)
#7A7A7A
Design tokens & code
CSS
--color: #307ebf; /* rgb */ color: rgb(48, 126, 191); /* oklch */ color: oklch(57.6% 0.125 247.5);
Tailwind
colors: {
custom: {
50: '#7ca3d2',
500: '#307ebf',
950: '#000000',
},
}SCSS
$custom: #307ebf; $custom-light: #7ca3d2; $custom-dark: #000000;
JSON
{
"hex": "#307ebf",
"rgb": {
"r": 48,
"g": 126,
"b": 191
},
"hsl": {
"h": 207.273,
"s": 59.833,
"l": 46.863
},
"oklch": {
"l": 0.57643,
"c": 0.12544,
"h": 247.5
},
"luminance": 0.19312
}Semantic roles & 50–950 ramp
primary
#307EBF
secondary
#CBA280
accent
#8D45E3
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0F14
muted
#7C7E82