#3745D8#3745D8
#3745D8 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.3% C 0.221 H 270.8°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3745D8 |
|---|---|
| RGB | rgb(55, 69, 216) |
| HSL | hsl(235, 67%, 53%) |
| HSV | hsv(235, 75%, 85%) |
| CMYK | cmyk(74.5%, 68.1%, 0%, 15.3%) |
| CIE-LAB | lab(37.89, 44.35, -76.39) |
| CIE-LCH | lch(37.89, 88.33, 300.14°) |
| OKLab | oklab(48.27% 0.0031 -0.221) |
| OKLCH | oklch(48.27% 0.221 270.8) |
| XYZ | xyz(16.0941, 10.0246, 66.0392) |
| Luminance | 0.1003 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue (survey)
#0343DF
ΔE00 2.30
Blue Blue
#2242C7
ΔE00 3.23
Vibrant Blue
#0339F8
ΔE00 4.16
Blue With A Hint Of Purple
#533CC6
ΔE00 4.64
Blurple
#5539CC
ΔE00 4.93
Ocean Blue
#4F42B5
ΔE00 5.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3745D8 #D8CA37
analogous
#3795D8 #3745D8 #7A37D8
triadic
#3745D8 #D83745 #45D837
tetradic
#3745D8 #D83795 #D8CA37 #37D87A
square
#3745D8 #D83795 #D8CA37 #37D87A
split-complementary
#3745D8 #D87A37 #95D837
monochromatic
#18217C #222FB0 #3745D8 #6A75E2 #9DA4EC
Accessibility & contrast
On white
6.99
#3745D8 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.01
#3745D8 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3745D8
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3745D8 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3745D8 | 1.00 | 6.99 | 3.01 | 6.99 |
| #FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.01 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0061DD
Deuteranopia (green-blind)
#0051D5
Tritanopia (blue-blind)
#006D89
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #3745d8; /* rgb */ color: rgb(55, 69, 216); /* oklch */ color: oklch(48.3% 0.221 270.8);
Tailwind
colors: {
custom: {
50: '#8679e5',
500: '#3745d8',
950: '#000000',
},
}SCSS
$custom: #3745d8; $custom-light: #8679e5; $custom-dark: #000000;
JSON
{
"hex": "#3745d8",
"rgb": {
"r": 55,
"g": 69,
"b": 216
},
"hsl": {
"h": 234.783,
"s": 67.364,
"l": 53.137
},
"oklch": {
"l": 0.48266,
"c": 0.22107,
"h": 270.8
},
"luminance": 0.10026
}Semantic roles & 50–950 ramp
primary
#3745D8
secondary
#D8D293
accent
#DB3EEA
background
#F9F7FE
surface
#F1EDFC
border
#CBC8D5
text
#0D0916
muted
#7E7B84