#425BB0#425BB0
#425BB0 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.7% C 0.138 H 268.7°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).
Color values
| HEX | #425BB0 |
|---|---|
| RGB | rgb(66, 91, 176) |
| HSL | hsl(226, 45%, 47%) |
| HSV | hsv(226, 63%, 69%) |
| CMYK | cmyk(62.5%, 48.3%, 0%, 31%) |
| CIE-LAB | lab(40.85, 17.87, -48.27) |
| CIE-LCH | lch(40.85, 51.47, 290.32°) |
| OKLab | oklab(49.66% -0.0032 -0.138) |
| OKLCH | oklch(49.66% 0.138 268.7) |
| XYZ | xyz(13.8217, 11.7738, 42.6101) |
| Luminance | 0.1177 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusky Blue
#475F94
ΔE00 4.36
Denim Blue
#3B5B92
ΔE00 4.53
Sapphire
#0F52BA
ΔE00 4.80
Denim
#1560BD
ΔE00 5.57
French Blue
#436BAD
ΔE00 5.98
Denim (survey)
#3B638C
ΔE00 6.46
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#425BB0 #B09742
analogous
#4292B0 #425BB0 #6042B0
triadic
#425BB0 #B0425B #5BB042
tetradic
#425BB0 #B04292 #B09742 #42B060
square
#425BB0 #B04292 #B09742 #42B060
split-complementary
#425BB0 #B06042 #92B042
monochromatic
#212D57 #314483 #425BB0 #697EC7 #95A4D7
Accessibility & contrast
On white
6.26
#425BB0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.36
#425BB0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #425BB0
6.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##425BB0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##425BB0 | 1.00 | 6.26 | 3.36 | 6.26 |
| #FFFFFF | 6.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3066B3
Deuteranopia (green-blind)
#1B5CAE
Tritanopia (blue-blind)
#006E7D
Achromatopsia (no color)
#606060
Design tokens & code
CSS
--color: #425bb0; /* rgb */ color: rgb(66, 91, 176); /* oklch */ color: oklch(49.7% 0.138 268.7);
Tailwind
colors: {
custom: {
50: '#8189c8',
500: '#425bb0',
950: '#000000',
},
}SCSS
$custom: #425bb0; $custom-light: #8189c8; $custom-dark: #000000;
JSON
{
"hex": "#425bb0",
"rgb": {
"r": 66,
"g": 91,
"b": 176
},
"hsl": {
"h": 226.364,
"s": 45.455,
"l": 47.451
},
"oklch": {
"l": 0.49662,
"c": 0.13807,
"h": 268.7
},
"luminance": 0.11775
}Semantic roles & 50–950 ramp
primary
#425BB0
secondary
#C3B68B
accent
#B753D5
background
#F8F8FC
surface
#EFEFF8
border
#CACAD1
text
#0B0B13
muted
#7C7C82