#5351BB#5351BB
#5351BB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.6% C 0.162 H 279.5°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).
Color values
| HEX | #5351BB |
|---|---|
| RGB | rgb(83, 81, 187) |
| HSL | hsl(241, 44%, 53%) |
| HSV | hsv(241, 57%, 73%) |
| CMYK | cmyk(55.6%, 56.7%, 0%, 26.7%) |
| CIE-LAB | lab(40.10, 31.23, -55.88) |
| CIE-LCH | lch(40.10, 64.02, 299.20°) |
| OKLab | oklab(49.62% 0.0269 -0.1601) |
| OKLCH | oklch(49.62% 0.162 279.5) |
| XYZ | xyz(15.4765, 11.3107, 48.3717) |
| Luminance | 0.1131 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 3.34
Ocean Blue
#4F42B5
ΔE00 4.47
Warm Blue
#4B57DB
ΔE00 4.89
Slate Blue
#6A5ACD
ΔE00 5.21
Bluey Purple
#6241C7
ΔE00 5.74
Light Indigo
#6D5ACF
ΔE00 5.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5351BB #B9BB51
analogous
#5184BB #5351BB #8851BB
triadic
#5351BB #BB5351 #51BB53
tetradic
#5351BB #BB5184 #B9BB51 #51BB88
square
#5351BB #BB5184 #B9BB51 #51BB88
split-complementary
#5351BB #BB8851 #84BB51
monochromatic
#2A2969 #3C3A95 #5351BB #7E7DCC #AAA9DD
Accessibility & contrast
On white
6.44
#5351BB on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.26
#5351BB on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5351BB
6.44:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5351BB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5351BB | 1.00 | 6.44 | 3.26 | 6.44 |
| #FFFFFF | 6.44 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.26 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.44 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0063BF
Deuteranopia (green-blind)
#005AB9
Tritanopia (blue-blind)
#1F6A7E
Achromatopsia (no color)
#5E5E5E
Design tokens & code
CSS
--color: #5351bb; /* rgb */ color: rgb(83, 81, 187); /* oklch */ color: oklch(49.6% 0.162 279.5);
Tailwind
colors: {
custom: {
50: '#8c82d0',
500: '#5351bb',
950: '#000000',
},
}SCSS
$custom: #5351bb; $custom-light: #8c82d0; $custom-dark: #000000;
JSON
{
"hex": "#5351bb",
"rgb": {
"r": 83,
"g": 81,
"b": 187
},
"hsl": {
"h": 241.132,
"s": 43.802,
"l": 52.549
},
"oklch": {
"l": 0.4962,
"c": 0.16237,
"h": 279.5
},
"luminance": 0.11312
}Semantic roles & 50–950 ramp
primary
#5351BB
secondary
#CACB9D
accent
#D454D1
background
#F9F7FC
surface
#F1EEF9
border
#CBC9D2
text
#0D0A14
muted
#7E7C82