#2B258B#2B258B
#2B258B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.9% C 0.161 H 276.6°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).
Color values
| HEX | #2B258B |
|---|---|
| RGB | rgb(43, 37, 139) |
| HSL | hsl(244, 58%, 35%) |
| HSV | hsv(244, 73%, 55%) |
| CMYK | cmyk(69.1%, 73.4%, 0%, 45.5%) |
| CIE-LAB | lab(22.65, 35.91, -55.50) |
| CIE-LCH | lch(22.65, 66.11, 302.91°) |
| OKLab | oklab(34.86% 0.0185 -0.1603) |
| OKLCH | oklch(34.86% 0.161 276.6) |
| XYZ | xyz(6.3165, 3.7002, 24.8024) |
| Luminance | 0.0370 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 3.87
Midnight Blue
#191970
ΔE00 5.02
Cobalt Blue
#030AA7
ΔE00 6.23
Indigo Blue
#3A18B1
ΔE00 6.29
Indigo (survey)
#380282
ΔE00 6.64
Royal Blue (survey)
#0504AA
ΔE00 6.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B258B #858B25
analogous
#25528B #2B258B #5E258B
triadic
#2B258B #8B2B25 #258B2B
tetradic
#2B258B #8B2552 #858B25 #258B5E
square
#2B258B #8B2552 #858B25 #258B5E
split-complementary
#2B258B #8B5E25 #528B25
monochromatic
#0D0B2A #1C185B #2B258B #3A32BB #5F58D3
Accessibility & contrast
On white
12.07
#2B258B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.74
#2B258B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B258B
12.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B258B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B258B | 1.00 | 12.07 | 1.74 | 12.07 |
| #FFFFFF | 12.07 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.74 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.07 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003A8E
Deuteranopia (green-blind)
#003289
Tritanopia (blue-blind)
#004155
Achromatopsia (no color)
#363636
Design tokens & code
CSS
--color: #2b258b; /* rgb */ color: rgb(43, 37, 139); /* oklch */ color: oklch(34.9% 0.161 276.6);
Tailwind
colors: {
custom: {
50: '#7361ae',
500: '#2b258b',
950: '#000000',
},
}SCSS
$custom: #2b258b; $custom-light: #7361ae; $custom-dark: #000000;
JSON
{
"hex": "#2b258b",
"rgb": {
"r": 43,
"g": 37,
"b": 139
},
"hsl": {
"h": 243.529,
"s": 57.955,
"l": 34.51
},
"oklch": {
"l": 0.34856,
"c": 0.16138,
"h": 276.6
},
"luminance": 0.03701
}Semantic roles & 50–950 ramp
primary
#2B258B
secondary
#B1B755
accent
#E147D8
background
#F7F5FA
surface
#EDEAF4
border
#C8C6CE
text
#090510
muted
#7B797F