#4551CE#4551CE
#4551CE is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.2% C 0.191 H 273.2°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).
Color values
| HEX | #4551CE |
|---|---|
| RGB | rgb(69, 81, 206) |
| HSL | hsl(235, 58%, 54%) |
| HSV | hsv(235, 67%, 81%) |
| CMYK | cmyk(66.5%, 60.7%, 0%, 19.2%) |
| CIE-LAB | lab(40.58, 35.23, -66.19) |
| CIE-LCH | lch(40.58, 74.98, 298.02°) |
| OKLab | oklab(50.18% 0.0105 -0.1908) |
| OKLCH | oklch(50.18% 0.191 273.2) |
| XYZ | xyz(16.5335, 11.6048, 59.7492) |
| Luminance | 0.1161 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.65
Iris
#6258C4
ΔE00 4.80
Blue (survey)
#0343DF
ΔE00 5.03
Blue Blue
#2242C7
ΔE00 5.18
Electric Blue
#0652FF
ΔE00 5.86
Ocean Blue
#4F42B5
ΔE00 5.93
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4551CE #CEC245
analogous
#4595CE #4551CE #7E45CE
triadic
#4551CE #CE4551 #51CE45
tetradic
#4551CE #CE4595 #CEC245 #45CE7E
square
#4551CE #CE4595 #CEC245 #45CE7E
split-complementary
#4551CE #CE7E45 #95CE45
monochromatic
#202879 #2D37A9 #4551CE #757EDB #A6ACE8
Accessibility & contrast
On white
6.32
#4551CE on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.32
#4551CE on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #4551CE
6.32:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4551CE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4551CE | 1.00 | 6.32 | 3.32 | 6.32 |
| #FFFFFF | 6.32 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.32 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.32 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0066D2
Deuteranopia (green-blind)
#005ACC
Tritanopia (blue-blind)
#007088
Achromatopsia (no color)
#606060
Design tokens & code
CSS
--color: #4551ce; /* rgb */ color: rgb(69, 81, 206); /* oklch */ color: oklch(50.2% 0.191 273.2);
Tailwind
colors: {
custom: {
50: '#8982de',
500: '#4551ce',
950: '#000000',
},
}SCSS
$custom: #4551ce; $custom-light: #8982de; $custom-dark: #000000;
JSON
{
"hex": "#4551ce",
"rgb": {
"r": 69,
"g": 81,
"b": 206
},
"hsl": {
"h": 234.745,
"s": 58.298,
"l": 53.922
},
"oklch": {
"l": 0.5018,
"c": 0.19107,
"h": 273.2
},
"luminance": 0.11606
}Semantic roles & 50–950 ramp
primary
#4551CE
secondary
#D5D09A
accent
#D446E2
background
#F9F7FD
surface
#F1EEFB
border
#CBC9D4
text
#0D0A15
muted
#7E7C83