#307AB6#307AB6
#307AB6 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.2% C 0.118 H 246.6°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).
Color values
| HEX | #307AB6 |
|---|---|
| RGB | rgb(48, 122, 182) |
| HSL | hsl(207, 58%, 45%) |
| HSV | hsv(207, 74%, 71%) |
| CMYK | cmyk(73.6%, 33%, 0%, 28.6%) |
| CIE-LAB | lab(49.40, -2.32, -38.21) |
| CIE-LCH | lch(49.40, 38.28, 266.53°) |
| OKLab | oklab(56.2% -0.0469 -0.1084) |
| OKLCH | oklch(56.2% 0.118 246.6) |
| XYZ | xyz(16.6187, 17.9230, 46.8305) |
| Luminance | 0.1792 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Bluish
#2976BB
ΔE00 1.80
Windows Blue
#3778BF
ΔE00 2.53
Flat Blue
#3C73A8
ΔE00 3.27
Steel Blue
#4682B4
ΔE00 3.41
Nice Blue
#107AB0
ΔE00 3.42
Muted Blue
#3B719F
ΔE00 4.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#307AB6 #B66C30
analogous
#30B6AF #307AB6 #3037B6
triadic
#307AB6 #B6307A #7AB630
tetradic
#307AB6 #AF30B6 #B66C30 #37B630
square
#307AB6 #AF30B6 #B66C30 #37B630
split-complementary
#307AB6 #B63037 #B6AF30
monochromatic
#163955 #235A86 #307AB6 #5298D1 #82B5DE
Accessibility & contrast
On white
4.58
#307AB6 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.59
#307AB6 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #307AB6
4.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##307AB6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##307AB6 | 1.00 | 4.58 | 4.59 | 4.59 |
| #FFFFFF | 4.58 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.59 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.59 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F7CB9
Deuteranopia (green-blind)
#4C70B5
Tritanopia (blue-blind)
#008890
Achromatopsia (no color)
#757575
Design tokens & code
CSS
--color: #307ab6; /* rgb */ color: rgb(48, 122, 182); /* oklch */ color: oklch(56.2% 0.118 246.6);
Tailwind
colors: {
custom: {
50: '#7aa0cc',
500: '#307ab6',
950: '#000000',
},
}SCSS
$custom: #307ab6; $custom-light: #7aa0cc; $custom-dark: #000000;
JSON
{
"hex": "#307ab6",
"rgb": {
"r": 48,
"g": 122,
"b": 182
},
"hsl": {
"h": 206.866,
"s": 58.261,
"l": 45.098
},
"oklch": {
"l": 0.56199,
"c": 0.11808,
"h": 246.6
},
"luminance": 0.17925
}Semantic roles & 50–950 ramp
primary
#307AB6
secondary
#C79D7B
accent
#8C46E1
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0A0E13
muted
#7C7E82