#425FDB#425FDB
#425FDB is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.6% C 0.192 H 269.0°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).
Color values
| HEX | #425FDB |
|---|---|
| RGB | rgb(66, 95, 219) |
| HSL | hsl(229, 68%, 56%) |
| HSV | hsv(229, 70%, 86%) |
| CMYK | cmyk(69.9%, 56.6%, 0%, 14.1%) |
| CIE-LAB | lab(44.88, 30.56, -66.65) |
| CIE-LCH | lch(44.88, 73.32, 294.64°) |
| OKLab | oklab(53.64% -0.0034 -0.192) |
| OKLCH | oklch(53.64% 0.192 269) |
| XYZ | xyz(19.1208, 14.4552, 68.7866) |
| Luminance | 0.1446 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Azul
#1D5DEC
ΔE00 2.72
Warm Blue
#4B57DB
ΔE00 3.08
Royal Blue
#4169E1
ΔE00 3.55
Bright Blue
#0165FC
ΔE00 4.84
Electric Blue
#0652FF
ΔE00 5.29
Dark Periwinkle
#665FD1
ΔE00 5.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#425FDB #DBBE42
analogous
#42ACDB #425FDB #7142DB
triadic
#425FDB #DB425F #5FDB42
tetradic
#425FDB #DB42AC #DBBE42 #42DB71
square
#425FDB #DB42AC #DBBE42 #42DB71
split-complementary
#425FDB #DB7142 #ACDB42
monochromatic
#1A2F89 #2441BC #425FDB #758BE5 #A9B6EF
Accessibility & contrast
On white
5.40
#425FDB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.89
#425FDB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #425FDB
5.40:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##425FDB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##425FDB | 1.00 | 5.40 | 3.89 | 5.40 |
| #FFFFFF | 5.40 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.89 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.40 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0071DF
Deuteranopia (green-blind)
#0063D9
Tritanopia (blue-blind)
#007D94
Achromatopsia (no color)
#6A6A6A
Design tokens & code
CSS
--color: #425fdb; /* rgb */ color: rgb(66, 95, 219); /* oklch */ color: oklch(53.6% 0.192 269.0);
Tailwind
colors: {
custom: {
50: '#898ce7',
500: '#425fdb',
950: '#000000',
},
}SCSS
$custom: #425fdb; $custom-light: #898ce7; $custom-dark: #000000;
JSON
{
"hex": "#425fdb",
"rgb": {
"r": 66,
"g": 95,
"b": 219
},
"hsl": {
"h": 228.627,
"s": 68,
"l": 55.882
},
"oklch": {
"l": 0.53643,
"c": 0.19208,
"h": 269
},
"luminance": 0.14457
}Semantic roles & 50–950 ramp
primary
#425FDB
secondary
#DCD09D
accent
#CA3DEB
background
#F9F8FE
surface
#F1F0FD
border
#CBCBD5
text
#0D0C16
muted
#7E7D84