#282AB4#282AB4
#282AB4 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 39.8% C 0.208 H 271.3°. Best body text is #FFFFFF at 10.09:1 contrast (WCAG AA passes).
Color values
| HEX | #282AB4 |
|---|---|
| RGB | rgb(40, 42, 180) |
| HSL | hsl(239, 64%, 43%) |
| HSV | hsv(239, 78%, 71%) |
| CMYK | cmyk(77.8%, 76.7%, 0%, 29.4%) |
| CIE-LAB | lab(27.85, 46.56, -71.91) |
| CIE-LCH | lch(27.85, 85.67, 302.92°) |
| OKLab | oklab(39.79% 0.0046 -0.2082) |
| OKLCH | oklch(39.79% 0.208 271.3) |
| XYZ | xyz(9.9385, 5.4012, 43.6899) |
| Luminance | 0.0540 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 3.85
Sapphire (survey)
#2138AB
ΔE00 4.24
True Blue
#010FCC
ΔE00 4.72
Mediumblue
#0000CD
ΔE00 5.68
Ultramarine Blue
#1805DB
ΔE00 5.86
Ultramarine
#2000B1
ΔE00 6.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#282AB4 #B4B228
analogous
#2870B4 #282AB4 #6C28B4
triadic
#282AB4 #B4282A #2AB428
tetradic
#282AB4 #B42870 #B4B228 #28B46C
square
#282AB4 #B42870 #B4B228 #28B46C
split-complementary
#282AB4 #B46C28 #70B428
monochromatic
#121350 #1D1E82 #282AB4 #4446D5 #7677E1
Accessibility & contrast
On white
10.09
#282AB4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.08
#282AB4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #282AB4
10.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##282AB4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##282AB4 | 1.00 | 10.09 | 2.08 | 10.09 |
| #FFFFFF | 10.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0049B8
Deuteranopia (green-blind)
#003BB2
Tritanopia (blue-blind)
#00536E
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #282ab4; /* rgb */ color: rgb(40, 42, 180); /* oklch */ color: oklch(39.8% 0.208 271.3);
Tailwind
colors: {
custom: {
50: '#7b66cc',
500: '#282ab4',
950: '#000000',
},
}SCSS
$custom: #282ab4; $custom-light: #7b66cc; $custom-dark: #000000;
JSON
{
"hex": "#282ab4",
"rgb": {
"r": 40,
"g": 42,
"b": 180
},
"hsl": {
"h": 239.143,
"s": 63.636,
"l": 43.137
},
"oklch": {
"l": 0.39788,
"c": 0.20827,
"h": 271.3
},
"luminance": 0.05402
}Semantic roles & 50–950 ramp
primary
#282AB4
secondary
#C8C770
accent
#E441E7
background
#F8F6FC
surface
#EFEBF9
border
#CAC6D2
text
#0B0614
muted
#7C7A82