#282CA1#282CA1
#282CA1 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.0% C 0.183 H 272.2°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).
Color values
| HEX | #282CA1 |
|---|---|
| RGB | rgb(40, 44, 161) |
| HSL | hsl(238, 60%, 39%) |
| HSV | hsv(238, 75%, 63%) |
| CMYK | cmyk(75.2%, 72.7%, 0%, 36.9%) |
| CIE-LAB | lab(26.23, 38.97, -63.16) |
| CIE-LCH | lch(26.23, 74.21, 301.68°) |
| OKLab | oklab(38.04% 0.0069 -0.1828) |
| OKLCH | oklch(38.04% 0.183 272.2) |
| XYZ | xyz(8.2066, 4.8248, 34.2101) |
| Luminance | 0.0483 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 3.69
Indigo Blue
#3A18B1
ΔE00 5.12
Royal
#0C1793
ΔE00 5.31
Cobalt Blue
#030AA7
ΔE00 6.36
True Blue
#010FCC
ΔE00 6.83
Royal Blue (survey)
#0504AA
ΔE00 6.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#282CA1 #A19D28
analogous
#2868A1 #282CA1 #6128A1
triadic
#282CA1 #A1282C #2CA128
tetradic
#282CA1 #A12868 #A19D28 #28A161
square
#282CA1 #A12868 #A19D28 #28A161
split-complementary
#282CA1 #A16128 #68A128
monochromatic
#10113F #1C1F70 #282CA1 #393DCE #6A6DDA
Accessibility & contrast
On white
10.69
#282CA1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.97
#282CA1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #282CA1
10.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##282CA1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##282CA1 | 1.00 | 10.69 | 1.97 | 10.69 |
| #FFFFFF | 10.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0044A4
Deuteranopia (green-blind)
#00389F
Tritanopia (blue-blind)
#004D63
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #282ca1; /* rgb */ color: rgb(40, 44, 161); /* oklch */ color: oklch(38.0% 0.183 272.2);
Tailwind
colors: {
custom: {
50: '#7666be',
500: '#282ca1',
950: '#000000',
},
}SCSS
$custom: #282ca1; $custom-light: #7666be; $custom-dark: #000000;
JSON
{
"hex": "#282ca1",
"rgb": {
"r": 40,
"g": 44,
"b": 161
},
"hsl": {
"h": 238.017,
"s": 60.199,
"l": 39.412
},
"oklch": {
"l": 0.38037,
"c": 0.18289,
"h": 272.2
},
"luminance": 0.04826
}Semantic roles & 50–950 ramp
primary
#282CA1
secondary
#C0BD65
accent
#DE44E3
background
#F7F6FB
surface
#EEEBF7
border
#C9C6D0
text
#0A0612
muted
#7C7A81