#42559A#42559A
#42559A is a mid, moderate blue. Relative luminance 0.100; OKLCH L 46.9% C 0.114 H 270.0°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).
Color values
| HEX | #42559A |
|---|---|
| RGB | rgb(66, 85, 154) |
| HSL | hsl(227, 40%, 43%) |
| HSV | hsv(227, 57%, 60%) |
| CMYK | cmyk(57.1%, 44.8%, 0%, 39.6%) |
| CIE-LAB | lab(37.82, 14.06, -40.04) |
| CIE-LCH | lch(37.82, 42.43, 289.36°) |
| OKLab | oklab(46.91% 0 -0.1139) |
| OKLCH | oklch(46.91% 0.114 270) |
| XYZ | xyz(11.3261, 9.9875, 31.8965) |
| Luminance | 0.0999 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Denim Blue
#3B5B92
ΔE00 3.60
Dusky Blue
#475F94
ΔE00 3.72
Twilight
#4E518B
ΔE00 4.66
Dusk Blue
#26538D
ΔE00 5.42
Cobalt (survey)
#1E488F
ΔE00 5.89
Dusk
#4E5481
ΔE00 6.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42559A #9A8742
analogous
#42819A #42559A #5B429A
triadic
#42559A #9A4255 #559A42
tetradic
#42559A #9A4281 #9A8742 #429A5B
square
#42559A #9A4281 #9A8742 #429A5B
split-complementary
#42559A #9A5B42 #819A42
monochromatic
#1D2644 #303D6F #42559A #5F73BA #8A98CD
Accessibility & contrast
On white
7.01
#42559A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
3.00
#42559A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #42559A
7.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42559A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##42559A | 1.00 | 7.01 | 3.00 | 7.01 |
| #FFFFFF | 7.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#375D9D
Deuteranopia (green-blind)
#2B5599
Tritanopia (blue-blind)
#0C6470
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #42559a; /* rgb */ color: rgb(66, 85, 154); /* oklch */ color: oklch(46.9% 0.114 270.0);
Tailwind
colors: {
custom: {
50: '#7d84b8',
500: '#42559a',
950: '#000000',
},
}SCSS
$custom: #42559a; $custom-light: #7d84b8; $custom-dark: #000000;
JSON
{
"hex": "#42559a",
"rgb": {
"r": 66,
"g": 85,
"b": 154
},
"hsl": {
"h": 227.045,
"s": 40,
"l": 43.137
},
"oklch": {
"l": 0.46907,
"c": 0.11393,
"h": 270
},
"luminance": 0.09988
}Semantic roles & 50–950 ramp
primary
#42559A
secondary
#B8AC80
accent
#B658D0
background
#F8F8FB
surface
#EFEFF6
border
#CACAD0
text
#0A0A11
muted
#7C7C80