#4638BB#4638BB
#4638BB is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.5% C 0.196 H 279.7°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).
Color values
| HEX | #4638BB |
|---|---|
| RGB | rgb(70, 56, 187) |
| HSL | hsl(246, 54%, 48%) |
| HSV | hsv(246, 70%, 73%) |
| CMYK | cmyk(62.6%, 70.1%, 0%, 26.7%) |
| CIE-LAB | lab(33.39, 44.12, -66.87) |
| CIE-LCH | lch(33.39, 80.11, 303.42°) |
| OKLab | oklab(44.47% 0.0329 -0.1928) |
| OKLCH | oklch(44.47% 0.196 279.7) |
| XYZ | xyz(12.9067, 7.7173, 47.8135) |
| Luminance | 0.0772 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue With A Hint Of Purple
#533CC6
ΔE00 2.56
Ocean Blue
#4F42B5
ΔE00 2.89
Blurple
#5539CC
ΔE00 3.17
Bluey Purple
#6241C7
ΔE00 4.92
Blue Blue
#2242C7
ΔE00 4.96
Sapphire (survey)
#2138AB
ΔE00 5.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4638BB #ADBB38
analogous
#386CBB #4638BB #8738BB
triadic
#4638BB #BB4638 #38BB46
tetradic
#4638BB #BB386C #ADBB38 #38BB87
square
#4638BB #BB386C #ADBB38 #38BB87
split-complementary
#4638BB #BB8738 #6CBB38
monochromatic
#231C5D #342A8C #4638BB #6C61D0 #9890DE
Accessibility & contrast
On white
8.26
#4638BB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.54
#4638BB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4638BB
8.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4638BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4638BB | 1.00 | 8.26 | 2.54 | 8.26 |
| #FFFFFF | 8.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0053BF
Deuteranopia (green-blind)
#0049B9
Tritanopia (blue-blind)
#005B75
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #4638bb; /* rgb */ color: rgb(70, 56, 187); /* oklch */ color: oklch(44.5% 0.196 279.7);
Tailwind
colors: {
custom: {
50: '#8770d1',
500: '#4638bb',
950: '#000000',
},
}SCSS
$custom: #4638bb; $custom-light: #8770d1; $custom-dark: #000000;
JSON
{
"hex": "#4638bb",
"rgb": {
"r": 70,
"g": 56,
"b": 187
},
"hsl": {
"h": 246.412,
"s": 53.909,
"l": 47.647
},
"oklch": {
"l": 0.44465,
"c": 0.19562,
"h": 279.7
},
"luminance": 0.07718
}Semantic roles & 50–950 ramp
primary
#4638BB
secondary
#C1C886
accent
#DD4BCE
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0D0814
muted
#7D7B83