#3B5BC7#3B5BC7
#3B5BC7 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.0% C 0.172 H 267.5°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #3B5BC7 |
|---|---|
| RGB | rgb(59, 91, 199) |
| HSL | hsl(226, 56%, 51%) |
| HSV | hsv(226, 70%, 78%) |
| CMYK | cmyk(70.4%, 54.3%, 0%, 22%) |
| CIE-LAB | lab(42.05, 24.99, -59.77) |
| CIE-LCH | lch(42.05, 64.79, 292.69°) |
| OKLab | oklab(50.97% -0.0076 -0.172) |
| OKLCH | oklch(50.97% 0.172 267.5) |
| XYZ | xyz(15.8499, 12.5339, 55.6057) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Warm Blue
#4B57DB
ΔE00 4.30
Azul
#1D5DEC
ΔE00 4.47
Sapphire
#0F52BA
ΔE00 4.71
Denim
#1560BD
ΔE00 5.34
Royal Blue
#4169E1
ΔE00 5.77
French Blue
#436BAD
ΔE00 6.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3B5BC7 #C7A73B
analogous
#3BA1C7 #3B5BC7 #613BC7
triadic
#3B5BC7 #C73B5B #5BC73B
tetradic
#3B5BC7 #C73BA1 #C7A73B #3BC761
square
#3B5BC7 #C73BA1 #C7A73B #3BC761
split-complementary
#3B5BC7 #C7613B #A1C73B
monochromatic
#1E2F69 #2C4599 #3B5BC7 #6B83D5 #9AABE2
Accessibility & contrast
On white
5.99
#3B5BC7 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#3B5BC7 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3B5BC7
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3B5BC7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3B5BC7 | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#006ACB
Deuteranopia (green-blind)
#005DC5
Tritanopia (blue-blind)
#007588
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #3b5bc7; /* rgb */ color: rgb(59, 91, 199); /* oklch */ color: oklch(51.0% 0.172 267.5);
Tailwind
colors: {
custom: {
50: '#8289d9',
500: '#3b5bc7',
950: '#000000',
},
}SCSS
$custom: #3b5bc7; $custom-light: #8289d9; $custom-dark: #000000;
JSON
{
"hex": "#3b5bc7",
"rgb": {
"r": 59,
"g": 91,
"b": 199
},
"hsl": {
"h": 226.286,
"s": 55.556,
"l": 50.588
},
"oklch": {
"l": 0.50969,
"c": 0.17221,
"h": 267.5
},
"luminance": 0.12535
}Semantic roles & 50–950 ramp
primary
#3B5BC7
secondary
#CEC090
accent
#BD49DF
background
#F8F8FD
surface
#F0EFFA
border
#CBCAD3
text
#0C0B15
muted
#7D7C83