#303AAA#303AAA
#303AAA is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.7% C 0.177 H 272.1°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).
Color values
| HEX | #303AAA |
|---|---|
| RGB | rgb(48, 58, 170) |
| HSL | hsl(235, 56%, 43%) |
| HSV | hsv(235, 72%, 67%) |
| CMYK | cmyk(71.8%, 65.9%, 0%, 33.3%) |
| CIE-LAB | lab(30.77, 34.32, -61.10) |
| CIE-LCH | lch(30.77, 70.08, 299.32°) |
| OKLab | oklab(41.71% 0.0065 -0.1766) |
| OKLCH | oklch(41.71% 0.177 272.1) |
| XYZ | xyz(9.9852, 6.5558, 38.7616) |
| Luminance | 0.0656 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.40
Blue Blue
#2242C7
ΔE00 4.45
Ocean Blue
#4F42B5
ΔE00 4.77
Blueberry
#464196
ΔE00 4.81
Blue With A Hint Of Purple
#533CC6
ΔE00 6.29
Cobalt
#0047AB
ΔE00 6.33
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#303AAA #AAA030
analogous
#3077AA #303AAA #6330AA
triadic
#303AAA #AA303A #3AAA30
tetradic
#303AAA #AA3077 #AAA030 #30AA63
square
#303AAA #AA3077 #AAA030 #30AA63
split-complementary
#303AAA #AA6330 #77AA30
monochromatic
#15194B #232A7A #303AAA #4B56CC #7B83DA
Accessibility & contrast
On white
9.09
#303AAA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.31
#303AAA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #303AAA
9.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##303AAA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##303AAA | 1.00 | 9.09 | 2.31 | 9.09 |
| #FFFFFF | 9.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EAE
Deuteranopia (green-blind)
#0043A8
Tritanopia (blue-blind)
#00576D
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #303aaa; /* rgb */ color: rgb(48, 58, 170); /* oklch */ color: oklch(41.7% 0.177 272.1);
Tailwind
colors: {
custom: {
50: '#7a70c4',
500: '#303aaa',
950: '#000000',
},
}SCSS
$custom: #303aaa; $custom-light: #7a70c4; $custom-dark: #000000;
JSON
{
"hex": "#303aaa",
"rgb": {
"r": 48,
"g": 58,
"b": 170
},
"hsl": {
"h": 235.082,
"s": 55.963,
"l": 42.745
},
"oklch": {
"l": 0.41711,
"c": 0.17667,
"h": 272.1
},
"luminance": 0.06557
}Semantic roles & 50–950 ramp
primary
#303AAA
secondary
#C2BC74
accent
#D349DF
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0713
muted
#7C7A82