#436FB0#436FB0
#436FB0 is a mid, moderate blue. Relative luminance 0.157; OKLCH L 54.1% C 0.113 H 258.0°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).
Color values
| HEX | #436FB0 |
|---|---|
| RGB | rgb(67, 111, 176) |
| HSL | hsl(216, 45%, 48%) |
| HSV | hsv(216, 62%, 69%) |
| CMYK | cmyk(61.9%, 36.9%, 0%, 31%) |
| CIE-LAB | lab(46.57, 5.41, -39.15) |
| CIE-LCH | lch(46.57, 39.52, 277.86°) |
| OKLab | oklab(54.08% -0.0235 -0.111) |
| OKLCH | oklch(54.08% 0.113 258) |
| XYZ | xyz(15.8329, 15.6953, 43.2610) |
| Luminance | 0.1570 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
French Blue
#436BAD
ΔE00 1.56
Medium Blue
#2C6FBB
ΔE00 2.72
Flat Blue
#3C73A8
ΔE00 3.18
Mid Blue
#276AB3
ΔE00 3.33
Muted Blue
#3B719F
ΔE00 4.05
Dull Blue
#49759C
ΔE00 4.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#436FB0 #B08443
analogous
#43A5B0 #436FB0 #4E43B0
triadic
#436FB0 #B0436F #6FB043
tetradic
#436FB0 #B043A5 #B08443 #43B04E
square
#436FB0 #B043A5 #B08443 #43B04E
split-complementary
#436FB0 #B04E43 #A5B043
monochromatic
#213757 #325384 #436FB0 #6A8FC6 #96B0D7
Accessibility & contrast
On white
5.07
#436FB0 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.14
#436FB0 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #436FB0
5.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##436FB0 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##436FB0 | 1.00 | 5.07 | 4.14 | 5.07 |
| #FFFFFF | 5.07 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.07 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5374B3
Deuteranopia (green-blind)
#446AAF
Tritanopia (blue-blind)
#007E87
Achromatopsia (no color)
#6E6E6E
Design tokens & code
CSS
--color: #436fb0; /* rgb */ color: rgb(67, 111, 176); /* oklch */ color: oklch(54.1% 0.113 258.0);
Tailwind
colors: {
custom: {
50: '#8198c8',
500: '#436fb0',
950: '#000000',
},
}SCSS
$custom: #436fb0; $custom-light: #8198c8; $custom-dark: #000000;
JSON
{
"hex": "#436fb0",
"rgb": {
"r": 67,
"g": 111,
"b": 176
},
"hsl": {
"h": 215.78,
"s": 44.856,
"l": 47.647
},
"oklch": {
"l": 0.54081,
"c": 0.11349,
"h": 258
},
"luminance": 0.15697
}Semantic roles & 50–950 ramp
primary
#436FB0
secondary
#C3AD8C
accent
#A053D5
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0D13
muted
#7C7E82