#303CC9#303CC9
#303CC9 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.0% C 0.214 H 270.6°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).
Color values
| HEX | #303CC9 |
|---|---|
| RGB | rgb(48, 60, 201) |
| HSL | hsl(235, 61%, 49%) |
| HSV | hsv(235, 76%, 79%) |
| CMYK | cmyk(76.1%, 70.1%, 0%, 21.2%) |
| CIE-LAB | lab(34.14, 43.94, -73.89) |
| CIE-LCH | lch(34.14, 85.97, 300.74°) |
| OKLab | oklab(45.04% 0.0022 -0.2139) |
| OKLCH | oklch(45.04% 0.214 270.6) |
| XYZ | xyz(13.3738, 8.0757, 56.1009) |
| Luminance | 0.0808 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.28
Blue (survey)
#0343DF
ΔE00 3.59
Blue With A Hint Of Purple
#533CC6
ΔE00 4.01
Ocean Blue
#4F42B5
ΔE00 4.40
Blurple
#5539CC
ΔE00 4.44
Sapphire (survey)
#2138AB
ΔE00 4.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#303CC9 #C9BD30
analogous
#3089C9 #303CC9 #7130C9
triadic
#303CC9 #C9303C #3CC930
tetradic
#303CC9 #C93089 #C9BD30 #30C971
square
#303CC9 #C93089 #C9BD30 #30C971
split-complementary
#303CC9 #C97130 #89C930
monochromatic
#181F66 #242D98 #303CC9 #5E67D8 #8F96E4
Accessibility & contrast
On white
8.03
#303CC9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.62
#303CC9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #303CC9
8.03:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##303CC9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##303CC9 | 1.00 | 8.03 | 2.62 | 8.03 |
| #FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.03 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0058CD
Deuteranopia (green-blind)
#0049C6
Tritanopia (blue-blind)
#00637E
Achromatopsia (no color)
#505050
Design tokens & code
CSS
--color: #303cc9; /* rgb */ color: rgb(48, 60, 201); /* oklch */ color: oklch(45.0% 0.214 270.6);
Tailwind
colors: {
custom: {
50: '#8172db',
500: '#303cc9',
950: '#000000',
},
}SCSS
$custom: #303cc9; $custom-light: #8172db; $custom-dark: #000000;
JSON
{
"hex": "#303cc9",
"rgb": {
"r": 48,
"g": 60,
"b": 201
},
"hsl": {
"h": 235.294,
"s": 61.446,
"l": 48.824
},
"oklch": {
"l": 0.45035,
"c": 0.21392,
"h": 270.6
},
"luminance": 0.08077
}Semantic roles & 50–950 ramp
primary
#303CC9
secondary
#CFC986
accent
#D843E5
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0C0815
muted
#7D7B83