#307AAE#307AAE
#307AAE is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.8% C 0.109 H 243.0°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).
Color values
| HEX | #307AAE |
|---|---|
| RGB | rgb(48, 122, 174) |
| HSL | hsl(205, 57%, 44%) |
| HSV | hsv(205, 72%, 68%) |
| CMYK | cmyk(72.4%, 29.9%, 0%, 31.8%) |
| CIE-LAB | lab(49.01, -5.20, -34.19) |
| CIE-LCH | lch(49.01, 34.59, 261.35°) |
| OKLab | oklab(55.76% -0.0493 -0.0967) |
| OKLCH | oklch(55.76% 0.109 243) |
| XYZ | xyz(15.8155, 17.6017, 42.6001) |
| Luminance | 0.1760 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Nice Blue
#107AB0
ΔE00 2.10
Bluish
#2976BB
ΔE00 3.00
Flat Blue
#3C73A8
ΔE00 3.61
Steel Blue
#4682B4
ΔE00 3.69
Muted Blue
#3B719F
ΔE00 3.90
Windows Blue
#3778BF
ΔE00 3.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#307AAE #AE6430
analogous
#30AEA3 #307AAE #303BAE
triadic
#307AAE #AE307A #7AAE30
tetradic
#307AAE #A330AE #AE6430 #3BAE30
square
#307AAE #A330AE #AE6430 #3BAE30
split-complementary
#307AAE #AE303B #AEA330
monochromatic
#16374E #23587E #307AAE #4D99CE #7DB4DB
Accessibility & contrast
On white
4.65
#307AAE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.52
#307AAE on #000000
AA ✓AA large ✓AAA ✗
Best text color
#FFFFFF on #307AAE
4.65:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##307AAE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##307AAE | 1.00 | 4.65 | 4.52 | 4.65 |
| #FFFFFF | 4.65 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.65 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#627BB0
Deuteranopia (green-blind)
#516FAD
Tritanopia (blue-blind)
#00878C
Achromatopsia (no color)
#747474
Design tokens & code
CSS
--color: #307aae; /* rgb */ color: rgb(48, 122, 174); /* oklch */ color: oklch(55.8% 0.109 243.0);
Tailwind
colors: {
custom: {
50: '#78a0c6',
500: '#307aae',
950: '#000000',
},
}SCSS
$custom: #307aae; $custom-light: #78a0c6; $custom-dark: #000000;
JSON
{
"hex": "#307aae",
"rgb": {
"r": 48,
"g": 122,
"b": 174
},
"hsl": {
"h": 204.762,
"s": 56.757,
"l": 43.529
},
"oklch": {
"l": 0.5576,
"c": 0.10855,
"h": 243
},
"luminance": 0.17603
}Semantic roles & 50–950 ramp
primary
#307AAE
secondary
#C49676
accent
#8748E0
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0E13
muted
#7C7E82