#4748BB#4748BB
#4748BB is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.1% C 0.176 H 276.8°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).
Color values
| HEX | #4748BB |
|---|---|
| RGB | rgb(71, 72, 187) |
| HSL | hsl(239, 46%, 51%) |
| HSV | hsv(239, 62%, 73%) |
| CMYK | cmyk(62%, 61.5%, 0%, 26.7%) |
| CIE-LAB | lab(37.04, 34.69, -60.89) |
| CIE-LCH | lch(37.04, 70.07, 299.67°) |
| OKLab | oklab(47.14% 0.0211 -0.1752) |
| OKLCH | oklch(47.14% 0.176 276.8) |
| XYZ | xyz(13.8826, 9.5611, 48.1180) |
| Luminance | 0.0956 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 2.49
Blue Blue
#2242C7
ΔE00 3.87
Blue With A Hint Of Purple
#533CC6
ΔE00 4.29
Bluey Purple
#6241C7
ΔE00 5.22
Blurple
#5539CC
ΔE00 5.23
Blue (survey)
#0343DF
ΔE00 5.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4748BB #BBBA47
analogous
#4782BB #4748BB #8047BB
triadic
#4748BB #BB4748 #48BB47
tetradic
#4748BB #BB4782 #BBBA47 #47BB80
square
#4748BB #BB4782 #BBBA47 #47BB80
split-complementary
#4748BB #BB8047 #82BB47
monochromatic
#252563 #353690 #4748BB #7474CC #A0A1DC
Accessibility & contrast
On white
7.21
#4748BB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.91
#4748BB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4748BB
7.21:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4748BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4748BB | 1.00 | 7.21 | 2.91 | 7.21 |
| #FFFFFF | 7.21 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.21 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005CBF
Deuteranopia (green-blind)
#0052B9
Tritanopia (blue-blind)
#00647A
Achromatopsia (no color)
#575757
Design tokens & code
CSS
--color: #4748bb; /* rgb */ color: rgb(71, 72, 187); /* oklch */ color: oklch(47.1% 0.176 276.8);
Tailwind
colors: {
custom: {
50: '#867bd0',
500: '#4748bb',
950: '#000000',
},
}SCSS
$custom: #4748bb; $custom-light: #867bd0; $custom-dark: #000000;
JSON
{
"hex": "#4748bb",
"rgb": {
"r": 71,
"g": 72,
"b": 187
},
"hsl": {
"h": 239.483,
"s": 46.032,
"l": 50.588
},
"oklch": {
"l": 0.47138,
"c": 0.17649,
"h": 276.8
},
"luminance": 0.09562
}Semantic roles & 50–950 ramp
primary
#4748BB
secondary
#C9C895
accent
#D552D6
background
#F8F7FC
surface
#F0EEF9
border
#CBC9D2
text
#0C0914
muted
#7D7B82