#4337C9#4337C9
#4337C9 is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.4% C 0.214 H 277.2°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4337C9 |
|---|---|
| RGB | rgb(67, 55, 201) |
| HSL | hsl(245, 57%, 50%) |
| HSV | hsv(245, 73%, 79%) |
| CMYK | cmyk(66.7%, 72.6%, 0%, 21.2%) |
| CIE-LAB | lab(34.28, 48.73, -73.62) |
| CIE-LCH | lch(34.28, 88.29, 303.50°) |
| OKLab | oklab(45.44% 0.027 -0.2127) |
| OKLCH | oklch(45.44% 0.214 277.2) |
| XYZ | xyz(14.2201, 8.1415, 56.0691) |
| Luminance | 0.0814 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue With A Hint Of Purple
#533CC6
ΔE00 2.26
Blurple
#5539CC
ΔE00 2.38
Ocean Blue
#4F42B5
ΔE00 3.95
Blue Blue
#2242C7
ΔE00 4.66
Bluey Purple
#6241C7
ΔE00 4.77
Purple Blue
#5D21D0
ΔE00 5.02
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4337C9 #BDC937
analogous
#3774C9 #4337C9 #8C37C9
triadic
#4337C9 #C94337 #37C943
tetradic
#4337C9 #C93774 #BDC937 #37C98C
square
#4337C9 #C93774 #BDC937 #37C98C
split-complementary
#4337C9 #C98C37 #74C937
monochromatic
#231C69 #332999 #4337C9 #7067D6 #9E97E3
Accessibility & contrast
On white
7.99
#4337C9 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#4337C9 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4337C9
7.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4337C9 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4337C9 | 1.00 | 7.99 | 2.63 | 7.99 |
| #FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0057CD
Deuteranopia (green-blind)
#004AC6
Tritanopia (blue-blind)
#00607D
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #4337c9; /* rgb */ color: rgb(67, 55, 201); /* oklch */ color: oklch(45.4% 0.214 277.2);
Tailwind
colors: {
custom: {
50: '#8970db',
500: '#4337c9',
950: '#000000',
},
}SCSS
$custom: #4337c9; $custom-light: #8970db; $custom-dark: #000000;
JSON
{
"hex": "#4337c9",
"rgb": {
"r": 67,
"g": 55,
"b": 201
},
"hsl": {
"h": 244.932,
"s": 57.48,
"l": 50.196
},
"oklch": {
"l": 0.4544,
"c": 0.21438,
"h": 277.2
},
"luminance": 0.08143
}Semantic roles & 50–950 ramp
primary
#4337C9
secondary
#C9CF8D
accent
#E147D4
background
#F9F6FD
surface
#F1ECFB
border
#CBC7D4
text
#0D0815
muted
#7E7B83