#40489C#40489C
#40489C is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.2% C 0.135 H 275.3°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).
Color values
| HEX | #40489C |
|---|---|
| RGB | rgb(64, 72, 156) |
| HSL | hsl(235, 42%, 43%) |
| HSV | hsv(235, 59%, 61%) |
| CMYK | cmyk(59%, 53.8%, 0%, 38.8%) |
| CIE-LAB | lab(34.24, 22.83, -46.99) |
| CIE-LCH | lch(34.24, 52.24, 295.91°) |
| OKLab | oklab(44.2% 0.0125 -0.1346) |
| OKLCH | oklch(44.2% 0.135 275.3) |
| XYZ | xyz(10.4305, 8.1243, 32.4645) |
| Luminance | 0.0813 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blueberry
#464196
ΔE00 3.01
Darkslateblue
#483D8B
ΔE00 5.10
Twilight
#4E518B
ΔE00 5.43
Ocean Blue
#4F42B5
ΔE00 5.50
Cobalt
#0047AB
ΔE00 5.93
Sapphire (survey)
#2138AB
ΔE00 5.96
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#40489C #9C9440
analogous
#40769C #40489C #66409C
triadic
#40489C #9C4048 #489C40
tetradic
#40489C #9C4076 #9C9440 #409C66
square
#40489C #9C4076 #9C9440 #409C66
split-complementary
#40489C #9C6640 #769C40
monochromatic
#1C2045 #2E3471 #40489C #5D65BC #888ECE
Accessibility & contrast
On white
8.00
#40489C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#40489C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #40489C
8.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##40489C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##40489C | 1.00 | 8.00 | 2.63 | 8.00 |
| #FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#16559F
Deuteranopia (green-blind)
#004D9A
Tritanopia (blue-blind)
#005B6B
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #40489c; /* rgb */ color: rgb(64, 72, 156); /* oklch */ color: oklch(44.2% 0.135 275.3);
Tailwind
colors: {
custom: {
50: '#7d7aba',
500: '#40489c',
950: '#000000',
},
}SCSS
$custom: #40489c; $custom-light: #7d7aba; $custom-dark: #000000;
JSON
{
"hex": "#40489c",
"rgb": {
"r": 64,
"g": 72,
"b": 156
},
"hsl": {
"h": 234.783,
"s": 41.818,
"l": 43.137
},
"oklch": {
"l": 0.442,
"c": 0.13514,
"h": 275.3
},
"luminance": 0.08125
}Semantic roles & 50–950 ramp
primary
#40489C
secondary
#B9B47F
accent
#C756D2
background
#F8F7FB
surface
#EFEDF6
border
#CAC8D0
text
#0A0912
muted
#7C7B81