#2828BA#2828BA
#2828BA is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.2% C 0.217 H 271.1°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2828BA |
|---|---|
| RGB | rgb(40, 40, 186) |
| HSL | hsl(240, 65%, 44%) |
| HSV | hsv(240, 78%, 73%) |
| CMYK | cmyk(78.5%, 78.5%, 0%, 27.1%) |
| CIE-LAB | lab(28.15, 49.57, -74.99) |
| CIE-LCH | lch(28.15, 89.89, 303.47°) |
| OKLab | oklab(40.2% 0.0041 -0.2171) |
| OKLCH | oklch(40.2% 0.217 271.1) |
| XYZ | xyz(10.4938, 5.5127, 46.9559) |
| Luminance | 0.0551 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 3.55
True Blue
#010FCC
ΔE00 4.01
Sapphire (survey)
#2138AB
ΔE00 4.91
Mediumblue
#0000CD
ΔE00 5.01
Ultramarine Blue
#1805DB
ΔE00 5.02
Pure Blue
#0203E2
ΔE00 5.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2828BA #BABA28
analogous
#2871BA #2828BA #7128BA
triadic
#2828BA #BA2828 #28BA28
tetradic
#2828BA #BA2871 #BABA28 #28BA71
square
#2828BA #BA2871 #BABA28 #28BA71
split-complementary
#2828BA #BA7128 #71BA28
monochromatic
#121255 #1D1D88 #2828BA #4848D8 #7A7AE2
Accessibility & contrast
On white
9.99
#2828BA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.10
#2828BA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2828BA
9.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2828BA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2828BA | 1.00 | 9.99 | 2.10 | 9.99 |
| #FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004ABE
Deuteranopia (green-blind)
#003BB7
Tritanopia (blue-blind)
#005571
Achromatopsia (no color)
#424242
Design tokens & code
CSS
--color: #2828ba; /* rgb */ color: rgb(40, 40, 186); /* oklch */ color: oklch(40.2% 0.217 271.1);
Tailwind
colors: {
custom: {
50: '#7c65d0',
500: '#2828ba',
950: '#000000',
},
}SCSS
$custom: #2828ba; $custom-light: #7c65d0; $custom-dark: #000000;
JSON
{
"hex": "#2828ba",
"rgb": {
"r": 40,
"g": 40,
"b": 186
},
"hsl": {
"h": 240,
"s": 64.602,
"l": 44.314
},
"oklch": {
"l": 0.40195,
"c": 0.21714,
"h": 271.1
},
"luminance": 0.05514
}Semantic roles & 50–950 ramp
primary
#2828BA
secondary
#CACA73
accent
#E840E8
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0614
muted
#7D7A83