#436EBB#436EBB
#436EBB is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.5% C 0.130 H 261.2°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).
Color values
| HEX | #436EBB |
|---|---|
| RGB | rgb(67, 110, 187) |
| HSL | hsl(219, 47%, 50%) |
| HSV | hsv(219, 64%, 73%) |
| CMYK | cmyk(64.2%, 41.2%, 0%, 26.7%) |
| CIE-LAB | lab(46.88, 9.87, -45.04) |
| CIE-LCH | lch(46.88, 46.11, 282.36°) |
| OKLab | oklab(54.52% -0.02 -0.1283) |
| OKLCH | oklch(54.52% 0.13 261.2) |
| XYZ | xyz(16.8571, 15.9314, 49.1908) |
| Luminance | 0.1593 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 1.97
Medium Blue
#2C6FBB
ΔE00 3.33
Mid Blue
#276AB3
ΔE00 4.02
Flat Blue
#3C73A8
ΔE00 4.33
Cornflower Blue
#5170D7
ΔE00 4.69
Windows Blue
#3778BF
ΔE00 4.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#436EBB #BB9043
analogous
#43AABB #436EBB #5443BB
triadic
#436EBB #BB436E #6EBB43
tetradic
#436EBB #BB43AA #BB9043 #43BB54
square
#436EBB #BB43AA #BB9043 #43BB54
split-complementary
#436EBB #BB5443 #AABB43
monochromatic
#233961 #33538E #436EBB #7091CC #9DB3DC
Accessibility & contrast
On white
5.02
#436EBB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.19
#436EBB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #436EBB
5.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##436EBB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##436EBB | 1.00 | 5.02 | 4.19 | 5.02 |
| #FFFFFF | 5.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.19 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B75BE
Deuteranopia (green-blind)
#396AB9
Tritanopia (blue-blind)
#00808B
Achromatopsia (no color)
#6F6F6F
Design tokens & code
CSS
--color: #436ebb; /* rgb */ color: rgb(67, 110, 187); /* oklch */ color: oklch(54.5% 0.130 261.2);
Tailwind
colors: {
custom: {
50: '#8397d0',
500: '#436ebb',
950: '#000000',
},
}SCSS
$custom: #436ebb; $custom-light: #8397d0; $custom-dark: #000000;
JSON
{
"hex": "#436ebb",
"rgb": {
"r": 67,
"g": 110,
"b": 187
},
"hsl": {
"h": 218.5,
"s": 47.244,
"l": 49.804
},
"oklch": {
"l": 0.54519,
"c": 0.12983,
"h": 261.2
},
"luminance": 0.15933
}Semantic roles & 50–950 ramp
primary
#436EBB
secondary
#C8B592
accent
#A751D7
background
#F8F9FC
surface
#F0F2F9
border
#CBCCD2
text
#0C0D14
muted
#7D7E82