#3640C6#3640C6
#3640C6 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 45.7% C 0.204 H 271.9°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).
Color values
| HEX | #3640C6 |
|---|---|
| RGB | rgb(54, 64, 198) |
| HSL | hsl(236, 57%, 49%) |
| HSV | hsv(236, 73%, 78%) |
| CMYK | cmyk(72.7%, 67.7%, 0%, 22.4%) |
| CIE-LAB | lab(35.06, 41.09, -70.62) |
| CIE-LCH | lch(35.06, 81.70, 300.19°) |
| OKLab | oklab(45.7% 0.0067 -0.2042) |
| OKLCH | oklch(45.7% 0.204 271.9) |
| XYZ | xyz(13.5443, 8.5269, 54.3472) |
| Luminance | 0.0853 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 1.88
Blue (survey)
#0343DF
ΔE00 3.53
Ocean Blue
#4F42B5
ΔE00 3.75
Blue With A Hint Of Purple
#533CC6
ΔE00 3.89
Blurple
#5539CC
ΔE00 4.51
Sapphire (survey)
#2138AB
ΔE00 4.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3640C6 #C6BC36
analogous
#3688C6 #3640C6 #7436C6
triadic
#3640C6 #C63640 #40C636
tetradic
#3640C6 #C63688 #C6BC36 #36C674
square
#3640C6 #C63688 #C6BC36 #36C674
split-complementary
#3640C6 #C67436 #88C636
monochromatic
#1C2166 #293096 #3640C6 #646CD5 #949AE2
Accessibility & contrast
On white
7.76
#3640C6 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#3640C6 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #3640C6
7.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3640C6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3640C6 | 1.00 | 7.76 | 2.71 | 7.76 |
| #FFFFFF | 7.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0059CA
Deuteranopia (green-blind)
#004CC4
Tritanopia (blue-blind)
#00647E
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #3640c6; /* rgb */ color: rgb(54, 64, 198); /* oklch */ color: oklch(45.7% 0.204 271.9);
Tailwind
colors: {
custom: {
50: '#8275d8',
500: '#3640c6',
950: '#000000',
},
}SCSS
$custom: #3640c6; $custom-light: #8275d8; $custom-dark: #000000;
JSON
{
"hex": "#3640c6",
"rgb": {
"r": 54,
"g": 64,
"b": 198
},
"hsl": {
"h": 235.833,
"s": 57.143,
"l": 49.412
},
"oklch": {
"l": 0.45697,
"c": 0.20434,
"h": 271.9
},
"luminance": 0.08528
}Semantic roles & 50–950 ramp
primary
#3640C6
secondary
#CDC98B
accent
#D647E0
background
#F8F7FD
surface
#F0EDFB
border
#CBC8D4
text
#0C0815
muted
#7D7B83