#40449D#40449D
#40449D is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.5% C 0.142 H 276.8°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).
Color values
| HEX | #40449D |
|---|---|
| RGB | rgb(64, 68, 157) |
| HSL | hsl(237, 42%, 43%) |
| HSV | hsv(237, 59%, 62%) |
| CMYK | cmyk(59.2%, 56.7%, 0%, 38.4%) |
| CIE-LAB | lab(33.26, 25.79, -49.18) |
| CIE-LCH | lch(33.26, 55.53, 297.67°) |
| OKLab | oklab(43.49% 0.0168 -0.141) |
| OKLCH | oklch(43.49% 0.142 276.8) |
| XYZ | xyz(10.2653, 7.6578, 32.8289) |
| Luminance | 0.0766 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 2.03
Darkslateblue
#483D8B
ΔE00 4.29
Ocean Blue
#4F42B5
ΔE00 4.69
Sapphire (survey)
#2138AB
ΔE00 5.00
Blue Blue
#2242C7
ΔE00 6.29
Cobalt
#0047AB
ΔE00 6.36
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40449D #9D9940
analogous
#40729D #40449D #6A409D
triadic
#40449D #9D4044 #449D40
tetradic
#40449D #9D4072 #9D9940 #409D6A
square
#40449D #9D4072 #9D9940 #409D6A
split-complementary
#40449D #9D6A40 #729D40
monochromatic
#1D1E46 #2E3172 #40449D #5D61BD #898CCF
Accessibility & contrast
On white
8.29
#40449D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.53
#40449D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #40449D
8.29:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40449D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##40449D | 1.00 | 8.29 | 2.53 | 8.29 |
| #FFFFFF | 8.29 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.53 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.29 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052A0
Deuteranopia (green-blind)
#004A9B
Tritanopia (blue-blind)
#005969
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #40449d; /* rgb */ color: rgb(64, 68, 157); /* oklch */ color: oklch(43.5% 0.142 276.8);
Tailwind
colors: {
custom: {
50: '#7e78bb',
500: '#40449d',
950: '#000000',
},
}SCSS
$custom: #40449d; $custom-light: #7e78bb; $custom-dark: #000000;
JSON
{
"hex": "#40449d",
"rgb": {
"r": 64,
"g": 68,
"b": 157
},
"hsl": {
"h": 237.419,
"s": 42.081,
"l": 43.333
},
"oklch": {
"l": 0.43489,
"c": 0.14204,
"h": 276.8
},
"luminance": 0.07659
}Semantic roles & 50–950 ramp
primary
#40449D
secondary
#B9B77F
accent
#CD56D2
background
#F8F7FB
surface
#EFEDF6
border
#CAC8D0
text
#0B0812
muted
#7C7B81