#4357CF#4357CF
#4357CF is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.2% C 0.186 H 271.1°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #4357CF |
|---|---|
| RGB | rgb(67, 87, 207) |
| HSL | hsl(231, 59%, 54%) |
| HSV | hsv(231, 68%, 81%) |
| CMYK | cmyk(67.6%, 58%, 0%, 18.8%) |
| CIE-LAB | lab(42.02, 31.52, -64.42) |
| CIE-LCH | lch(42.02, 71.72, 296.07°) |
| OKLab | oklab(51.24% 0.0036 -0.1856) |
| OKLCH | oklch(51.24% 0.186 271.1) |
| XYZ | xyz(16.9816, 12.5131, 60.5397) |
| Luminance | 0.1252 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.13
Azul
#1D5DEC
ΔE00 4.59
Iris
#6258C4
ΔE00 5.03
Electric Blue
#0652FF
ΔE00 5.60
Dark Periwinkle
#665FD1
ΔE00 5.62
Sapphire
#0F52BA
ΔE00 6.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4357CF #CFBB43
analogous
#439DCF #4357CF #7543CF
triadic
#4357CF #CF4357 #57CF43
tetradic
#4357CF #CF439D #CFBB43 #43CF75
square
#4357CF #CF439D #CFBB43 #43CF75
split-complementary
#4357CF #CF7543 #9DCF43
monochromatic
#1F2C79 #2B3DAA #4357CF #7483DB #A5AEE8
Accessibility & contrast
On white
5.99
#4357CF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#4357CF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4357CF
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4357CF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4357CF | 1.00 | 5.99 | 3.50 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006AD3
Deuteranopia (green-blind)
#005DCD
Tritanopia (blue-blind)
#00758A
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #4357cf; /* rgb */ color: rgb(67, 87, 207); /* oklch */ color: oklch(51.2% 0.186 271.1);
Tailwind
colors: {
custom: {
50: '#8786df',
500: '#4357cf',
950: '#000000',
},
}SCSS
$custom: #4357cf; $custom-light: #8786df; $custom-dark: #000000;
JSON
{
"hex": "#4357cf",
"rgb": {
"r": 67,
"g": 87,
"b": 207
},
"hsl": {
"h": 231.429,
"s": 59.322,
"l": 53.725
},
"oklch": {
"l": 0.51241,
"c": 0.18562,
"h": 271.1
},
"luminance": 0.12515
}Semantic roles & 50–950 ramp
primary
#4357CF
secondary
#D5CC99
accent
#CC45E3
background
#F9F8FD
surface
#F1EFFB
border
#CBCAD4
text
#0D0B15
muted
#7E7C83