#42496B#42496B
#42496B is a dark, muted blue. Relative luminance 0.070; OKLCH L 41.4% C 0.058 H 274.7°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).
Color values
| HEX | #42496B |
|---|---|
| RGB | rgb(66, 73, 107) |
| HSL | hsl(230, 24%, 34%) |
| HSV | hsv(230, 38%, 42%) |
| CMYK | cmyk(38.3%, 31.8%, 0%, 58%) |
| CIE-LAB | lab(31.77, 6.45, -20.63) |
| CIE-LCH | lch(31.77, 21.62, 287.36°) |
| OKLab | oklab(41.42% 0.0047 -0.0575) |
| OKLCH | oklch(41.42% 0.058 274.7) |
| XYZ | xyz(7.2824, 6.9846, 14.8715) |
| Luminance | 0.0698 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk
#4E5481
ΔE00 5.06
Twilight
#4E518B
ΔE00 6.70
Darkslateblue
#483D8B
ΔE00 9.45
Cobalt (survey)
#1E488F
ΔE00 9.94
Dusky Blue
#475F94
ΔE00 9.95
Denim Blue
#3B5B92
ΔE00 9.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#42496B #6B6442
analogous
#425E6B #42496B #50426B
triadic
#42496B #6B4249 #496B42
tetradic
#42496B #6B425E #6B6442 #426B50
square
#42496B #6B425E #6B6442 #426B50
split-complementary
#42496B #6B5042 #5E6B42
monochromatic
#13151F #2B2F45 #42496B #596391 #7A83AD
Accessibility & contrast
On white
8.76
#42496B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.40
#42496B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #42496B
8.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##42496B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##42496B | 1.00 | 8.76 | 2.40 | 8.76 |
| #FFFFFF | 8.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.40 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3E4C6C
Deuteranopia (green-blind)
#3B496A
Tritanopia (blue-blind)
#365055
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #42496b; /* rgb */ color: rgb(66, 73, 107); /* oklch */ color: oklch(41.4% 0.058 274.7);
Tailwind
colors: {
custom: {
50: '#787b95',
500: '#42496b',
950: '#000000',
},
}SCSS
$custom: #42496b; $custom-light: #787b95; $custom-dark: #000000;
JSON
{
"hex": "#42496b",
"rgb": {
"r": 66,
"g": 73,
"b": 107
},
"hsl": {
"h": 229.756,
"s": 23.699,
"l": 33.922
},
"oklch": {
"l": 0.41416,
"c": 0.05768,
"h": 274.7
},
"luminance": 0.06985
}Semantic roles & 50–950 ramp
primary
#42496B
secondary
#999270
accent
#B168C0
background
#F7F7F9
surface
#EDEDF1
border
#C8C8CB
text
#09090D
muted
#7B7B7E