#5151AF#5151AF
#5151AF is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.6% C 0.146 H 279.5°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).
Color values
| HEX | #5151AF |
|---|---|
| RGB | rgb(81, 81, 175) |
| HSL | hsl(240, 37%, 50%) |
| HSV | hsv(240, 54%, 69%) |
| CMYK | cmyk(53.7%, 53.7%, 0%, 31.4%) |
| CIE-LAB | lab(39.12, 26.92, -50.41) |
| CIE-LCH | lch(39.12, 57.15, 298.10°) |
| OKLab | oklab(48.59% 0.0241 -0.1441) |
| OKLCH | oklch(48.59% 0.146 279.5) |
| XYZ | xyz(14.0712, 10.7285, 41.8785) |
| Luminance | 0.1073 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Iris
#6258C4
ΔE00 4.54
Ocean Blue
#4F42B5
ΔE00 4.75
Blueberry
#464196
ΔE00 5.89
Twilight
#4E518B
ΔE00 6.44
Warm Blue
#4B57DB
ΔE00 6.48
Slate Blue
#6A5ACD
ΔE00 6.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#5151AF #AFAF51
analogous
#5180AF #5151AF #8051AF
triadic
#5151AF #AF5151 #51AF51
tetradic
#5151AF #AF5180 #AFAF51 #51AF80
square
#5151AF #AF5180 #AFAF51 #51AF80
split-complementary
#5151AF #AF8051 #80AF51
monochromatic
#2A2A5C #3D3D85 #5151AF #7B7BC2 #A5A5D6
Accessibility & contrast
On white
6.68
#5151AF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.15
#5151AF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #5151AF
6.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##5151AF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##5151AF | 1.00 | 6.68 | 3.15 | 6.68 |
| #FFFFFF | 6.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.15 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1C60B2
Deuteranopia (green-blind)
#0B58AD
Tritanopia (blue-blind)
#276678
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #5151af; /* rgb */ color: rgb(81, 81, 175); /* oklch */ color: oklch(48.6% 0.146 279.5);
Tailwind
colors: {
custom: {
50: '#8982c7',
500: '#5151af',
950: '#000000',
},
}SCSS
$custom: #5151af; $custom-light: #8982c7; $custom-dark: #000000;
JSON
{
"hex": "#5151af",
"rgb": {
"r": 81,
"g": 81,
"b": 175
},
"hsl": {
"h": 240,
"s": 37.008,
"l": 50.196
},
"oklch": {
"l": 0.48588,
"c": 0.14609,
"h": 279.5
},
"luminance": 0.10729
}Semantic roles & 50–950 ramp
primary
#5151AF
secondary
#C3C399
accent
#CD5BCD
background
#F8F7FC
surface
#F0EEF8
border
#CBC9D1
text
#0C0A13
muted
#7D7C82