#425BCF#425BCF
#425BCF is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.9% C 0.181 H 269.8°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #425BCF |
|---|---|
| RGB | rgb(66, 91, 207) |
| HSL | hsl(229, 59%, 54%) |
| HSV | hsv(229, 68%, 81%) |
| CMYK | cmyk(68.1%, 56%, 0%, 18.8%) |
| CIE-LAB | lab(42.98, 28.85, -62.87) |
| CIE-LCH | lch(42.98, 69.17, 294.65°) |
| OKLab | oklab(51.94% -0.0007 -0.181) |
| OKLCH | oklch(51.94% 0.181 269.8) |
| XYZ | xyz(17.2465, 13.1438, 60.6475) |
| Luminance | 0.1315 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 2.76
Azul
#1D5DEC
ΔE00 3.91
Royal Blue
#4169E1
ΔE00 5.29
Iris
#6258C4
ΔE00 5.58
Dark Periwinkle
#665FD1
ΔE00 5.64
Electric Blue
#0652FF
ΔE00 5.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#425BCF #CFB642
analogous
#42A1CF #425BCF #6F42CF
triadic
#425BCF #CF425B #5BCF42
tetradic
#425BCF #CF42A1 #CFB642 #42CF6F
square
#425BCF #CF42A1 #CFB642 #42CF6F
split-complementary
#425BCF #CF6F42 #A1CF42
monochromatic
#1F2E78 #2B41A9 #425BCF #7385DB #A4B0E8
Accessibility & contrast
On white
5.79
#425BCF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.63
#425BCF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #425BCF
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##425BCF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##425BCF | 1.00 | 5.79 | 3.63 | 5.79 |
| #FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006CD3
Deuteranopia (green-blind)
#005FCD
Tritanopia (blue-blind)
#00778C
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #425bcf; /* rgb */ color: rgb(66, 91, 207); /* oklch */ color: oklch(51.9% 0.181 269.8);
Tailwind
colors: {
custom: {
50: '#8789de',
500: '#425bcf',
950: '#000000',
},
}SCSS
$custom: #425bcf; $custom-light: #8789de; $custom-dark: #000000;
JSON
{
"hex": "#425bcf",
"rgb": {
"r": 66,
"g": 91,
"b": 207
},
"hsl": {
"h": 229.362,
"s": 59.494,
"l": 53.529
},
"oklch": {
"l": 0.51943,
"c": 0.18099,
"h": 269.8
},
"luminance": 0.13145
}Semantic roles & 50–950 ramp
primary
#425BCF
secondary
#D5CA98
accent
#C745E3
background
#F8F8FD
surface
#F0F0FB
border
#CBCBD4
text
#0D0B15
muted
#7D7C83