#4045B2#4045B2
#4045B2 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.4% C 0.170 H 275.3°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).
Color values
| HEX | #4045B2 |
|---|---|
| RGB | rgb(64, 69, 178) |
| HSL | hsl(237, 47%, 47%) |
| HSV | hsv(237, 64%, 70%) |
| CMYK | cmyk(64%, 61.2%, 0%, 30.2%) |
| CIE-LAB | lab(35.12, 32.39, -58.73) |
| CIE-LCH | lch(35.12, 67.06, 298.88°) |
| OKLab | oklab(45.38% 0.0157 -0.1691) |
| OKLCH | oklch(45.38% 0.17 275.3) |
| XYZ | xyz(12.2757, 8.5596, 43.1161) |
| Luminance | 0.0856 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Ocean Blue
#4F42B5
ΔE00 2.77
Blue Blue
#2242C7
ΔE00 3.63
Sapphire (survey)
#2138AB
ΔE00 4.60
Blueberry
#464196
ΔE00 4.61
Blue With A Hint Of Purple
#533CC6
ΔE00 5.05
Blue (survey)
#0343DF
ΔE00 6.01
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#4045B2 #B2AD40
analogous
#407EB2 #4045B2 #7440B2
triadic
#4045B2 #B24045 #45B240
tetradic
#4045B2 #B2407E #B2AD40 #40B274
square
#4045B2 #B2407E #B2AD40 #40B274
split-complementary
#4045B2 #B27440 #7EB240
monochromatic
#202258 #303485 #4045B2 #676BC8 #9497D8
Accessibility & contrast
On white
7.74
#4045B2 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.71
#4045B2 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #4045B2
7.74:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##4045B2 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##4045B2 | 1.00 | 7.74 | 2.71 | 7.74 |
| #FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.71 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.74 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0058B6
Deuteranopia (green-blind)
#004EB0
Tritanopia (blue-blind)
#006075
Achromatopsia (no color)
#535353
Design tokens & code
CSS
--color: #4045b2; /* rgb */ color: rgb(64, 69, 178); /* oklch */ color: oklch(45.4% 0.170 275.3);
Tailwind
colors: {
custom: {
50: '#8279ca',
500: '#4045b2',
950: '#000000',
},
}SCSS
$custom: #4045b2; $custom-light: #8279ca; $custom-dark: #000000;
JSON
{
"hex": "#4045b2",
"rgb": {
"r": 64,
"g": 69,
"b": 178
},
"hsl": {
"h": 237.368,
"s": 47.107,
"l": 47.451
},
"oklch": {
"l": 0.45376,
"c": 0.16983,
"h": 275.3
},
"luminance": 0.08561
}Semantic roles & 50–950 ramp
primary
#4045B2
secondary
#C4C18A
accent
#D151D7
background
#F8F7FC
surface
#F0EDF8
border
#CBC8D1
text
#0C0913
muted
#7D7B82