#436BDB#436BDB
#436BDB is a mid, vivid blue. Relative luminance 0.168; OKLCH L 56.0% C 0.177 H 266.0°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).
Color values
| HEX | #436BDB |
|---|---|
| RGB | rgb(67, 107, 219) |
| HSL | hsl(224, 68%, 56%) |
| HSV | hsv(224, 69%, 86%) |
| CMYK | cmyk(69.4%, 51.1%, 0%, 14.1%) |
| CIE-LAB | lab(48.03, 23.13, -61.53) |
| CIE-LCH | lch(48.03, 65.74, 290.60°) |
| OKLab | oklab(56.03% -0.0123 -0.1768) |
| OKLCH | oklch(56.03% 0.177 266) |
| XYZ | xyz(20.3542, 16.8211, 69.1782) |
| Luminance | 0.1682 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal Blue
#4169E1
ΔE00 1.00
Cornflower Blue
#5170D7
ΔE00 2.18
Cerulean Blue
#056EEE
ΔE00 3.90
Bright Blue
#0165FC
ΔE00 4.08
Azul
#1D5DEC
ΔE00 4.93
Deep Sky Blue
#0D75F8
ΔE00 5.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#436BDB #DBB343
analogous
#43B7DB #436BDB #6743DB
triadic
#436BDB #DB436B #6BDB43
tetradic
#436BDB #DB43B7 #DBB343 #43DB67
square
#436BDB #DB43B7 #DBB343 #43DB67
split-complementary
#436BDB #DB6743 #B7DB43
monochromatic
#1A3889 #244CBD #436BDB #7693E5 #AABCEF
Accessibility & contrast
On white
4.81
#436BDB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.36
#436BDB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #436BDB
4.81:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##436BDB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##436BDB | 1.00 | 4.81 | 4.36 | 4.81 |
| #FFFFFF | 4.81 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.81 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#2579DF
Deuteranopia (green-blind)
#006BD9
Tritanopia (blue-blind)
#008699
Achromatopsia (no color)
#727272
Design tokens & code
CSS
--color: #436bdb; /* rgb */ color: rgb(67, 107, 219); /* oklch */ color: oklch(56.0% 0.177 266.0);
Tailwind
colors: {
custom: {
50: '#8994e7',
500: '#436bdb',
950: '#000000',
},
}SCSS
$custom: #436bdb; $custom-light: #8994e7; $custom-dark: #000000;
JSON
{
"hex": "#436bdb",
"rgb": {
"r": 67,
"g": 107,
"b": 219
},
"hsl": {
"h": 224.211,
"s": 67.857,
"l": 56.078
},
"oklch": {
"l": 0.56033,
"c": 0.17725,
"h": 266
},
"luminance": 0.16823
}Semantic roles & 50–950 ramp
primary
#436BDB
secondary
#DCCC9E
accent
#BD3DEB
background
#F9F9FE
surface
#F1F1FC
border
#CBCBD5
text
#0D0D16
muted
#7E7E84