#3A4FBB#3A4FBB
#3A4FBB is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.6% C 0.171 H 270.2°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).
Color values
| HEX | #3A4FBB |
|---|---|
| RGB | rgb(58, 79, 187) |
| HSL | hsl(230, 53%, 48%) |
| HSV | hsv(230, 69%, 73%) |
| CMYK | cmyk(69%, 57.8%, 0%, 26.7%) |
| CIE-LAB | lab(37.98, 28.24, -59.39) |
| CIE-LCH | lch(37.98, 65.77, 295.43°) |
| OKLab | oklab(47.62% 0.0007 -0.1711) |
| OKLCH | oklch(47.62% 0.171 270.2) |
| XYZ | xyz(13.5075, 10.0781, 48.2375) |
| Luminance | 0.1008 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 4.27
Sapphire
#0F52BA
ΔE00 4.35
Cobalt
#0047AB
ΔE00 5.35
Warm Blue
#4B57DB
ΔE00 5.54
Blue (survey)
#0343DF
ΔE00 5.59
Ocean Blue
#4F42B5
ΔE00 5.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#3A4FBB #BBA63A
analogous
#3A8FBB #3A4FBB #663ABB
triadic
#3A4FBB #BB3A4F #4FBB3A
tetradic
#3A4FBB #BB3A8F #BBA63A #3ABB66
square
#3A4FBB #BB3A8F #BBA63A #3ABB66
split-complementary
#3A4FBB #BB663A #8FBB3A
monochromatic
#1D285E #2C3B8C #3A4FBB #6375CF #929EDD
Accessibility & contrast
On white
6.96
#3A4FBB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.02
#3A4FBB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #3A4FBB
6.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##3A4FBB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##3A4FBB | 1.00 | 6.96 | 3.02 | 6.96 |
| #FFFFFF | 6.96 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.02 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.96 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#005FBF
Deuteranopia (green-blind)
#0054B9
Tritanopia (blue-blind)
#006A7D
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #3a4fbb; /* rgb */ color: rgb(58, 79, 187); /* oklch */ color: oklch(47.6% 0.171 270.2);
Tailwind
colors: {
custom: {
50: '#8080d0',
500: '#3a4fbb',
950: '#000000',
},
}SCSS
$custom: #3a4fbb; $custom-light: #8080d0; $custom-dark: #000000;
JSON
{
"hex": "#3a4fbb",
"rgb": {
"r": 58,
"g": 79,
"b": 187
},
"hsl": {
"h": 230.233,
"s": 52.653,
"l": 48.039
},
"oklch": {
"l": 0.47623,
"c": 0.17111,
"h": 270.2
},
"luminance": 0.10079
}Semantic roles & 50–950 ramp
primary
#3A4FBB
secondary
#C8BE88
accent
#C54CDC
background
#F8F7FC
surface
#F0EEF9
border
#CBC9D2
text
#0B0A14
muted
#7C7C82