#28258F#28258F
#28258F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.1% C 0.167 H 274.7°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).
Color values
| HEX | #28258F |
|---|---|
| RGB | rgb(40, 37, 143) |
| HSL | hsl(242, 59%, 35%) |
| HSV | hsv(242, 74%, 56%) |
| CMYK | cmyk(72%, 74.1%, 0%, 43.9%) |
| CIE-LAB | lab(22.85, 36.94, -57.67) |
| CIE-LCH | lch(22.85, 68.49, 302.64°) |
| OKLab | oklab(35.06% 0.0138 -0.1667) |
| OKLCH | oklch(35.06% 0.167 274.7) |
| XYZ | xyz(6.4929, 3.7568, 26.3642) |
| Luminance | 0.0376 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 3.54
Midnight Blue
#191970
ΔE00 5.41
Cobalt Blue
#030AA7
ΔE00 5.79
Indigo Blue
#3A18B1
ΔE00 5.90
Royal Blue (survey)
#0504AA
ΔE00 6.35
Sapphire (survey)
#2138AB
ΔE00 6.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28258F #8C8F25
analogous
#25578F #28258F #5D258F
triadic
#28258F #8F2825 #258F28
tetradic
#28258F #8F2557 #8C8F25 #258F5D
square
#28258F #8F2557 #8C8F25 #258F5D
split-complementary
#28258F #8F5D25 #578F25
monochromatic
#0D0C2E #1A185E #28258F #3632C0 #5E5AD4
Accessibility & contrast
On white
11.99
#28258F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#28258F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #28258F
11.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28258F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##28258F | 1.00 | 11.99 | 1.75 | 11.99 |
| #FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003B92
Deuteranopia (green-blind)
#00328D
Tritanopia (blue-blind)
#004357
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #28258f; /* rgb */ color: rgb(40, 37, 143); /* oklch */ color: oklch(35.1% 0.167 274.7);
Tailwind
colors: {
custom: {
50: '#7261b1',
500: '#28258f',
950: '#000000',
},
}SCSS
$custom: #28258f; $custom-light: #7261b1; $custom-dark: #000000;
JSON
{
"hex": "#28258f",
"rgb": {
"r": 40,
"g": 37,
"b": 143
},
"hsl": {
"h": 241.698,
"s": 58.889,
"l": 35.294
},
"oklch": {
"l": 0.35063,
"c": 0.16732,
"h": 274.7
},
"luminance": 0.03757
}Semantic roles & 50–950 ramp
primary
#28258F
secondary
#B6B957
accent
#E246DE
background
#F7F5FB
surface
#EDEAF6
border
#C8C6D0
text
#090511
muted
#7B7980