#2823AA#2823AA
#2823AA is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 37.8% C 0.203 H 272.6°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2823AA |
|---|---|
| RGB | rgb(40, 35, 170) |
| HSL | hsl(242, 66%, 40%) |
| HSV | hsv(242, 79%, 67%) |
| CMYK | cmyk(76.5%, 79.4%, 0%, 33.3%) |
| CIE-LAB | lab(25.43, 47.03, -69.93) |
| CIE-LCH | lch(25.43, 84.27, 303.92°) |
| OKLab | oklab(37.76% 0.0091 -0.2024) |
| OKLCH | oklch(37.76% 0.203 272.6) |
| XYZ | xyz(8.7294, 4.5545, 38.4415) |
| Luminance | 0.0456 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 2.83
Cobalt Blue
#030AA7
ΔE00 4.35
Royal
#0C1793
ΔE00 4.51
Ultramarine
#2000B1
ΔE00 4.51
True Blue
#010FCC
ΔE00 4.62
Royal Blue (survey)
#0504AA
ΔE00 4.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2823AA #A5AA23
analogous
#2362AA #2823AA #6B23AA
triadic
#2823AA #AA2823 #23AA28
tetradic
#2823AA #AA2362 #A5AA23 #23AA6B
square
#2823AA #AA2362 #A5AA23 #23AA6B
split-complementary
#2823AA #AA6B23 #62AA23
monochromatic
#100E44 #1C1977 #2823AA #3B35D5 #6C68E0
Accessibility & contrast
On white
10.99
#2823AA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#2823AA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2823AA
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2823AA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2823AA | 1.00 | 10.99 | 1.91 | 10.99 |
| #FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0043AE
Deuteranopia (green-blind)
#0036A8
Tritanopia (blue-blind)
#004D66
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #2823aa; /* rgb */ color: rgb(40, 35, 170); /* oklch */ color: oklch(37.8% 0.203 272.6);
Tailwind
colors: {
custom: {
50: '#7961c5',
500: '#2823aa',
950: '#000000',
},
}SCSS
$custom: #2823aa; $custom-light: #7961c5; $custom-dark: #000000;
JSON
{
"hex": "#2823aa",
"rgb": {
"r": 40,
"g": 35,
"b": 170
},
"hsl": {
"h": 242.222,
"s": 65.854,
"l": 40.196
},
"oklch": {
"l": 0.37757,
"c": 0.20257,
"h": 272.6
},
"luminance": 0.04555
}Semantic roles & 50–950 ramp
primary
#2823AA
secondary
#C2C663
accent
#E93FE3
background
#F8F5FC
surface
#EFEAF8
border
#CAC6D1
text
#0B0513
muted
#7C7982