#2B37AF#2B37AF
#2B37AF is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.4% C 0.188 H 270.8°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).
Color values
| HEX | #2B37AF |
|---|---|
| RGB | rgb(43, 55, 175) |
| HSL | hsl(235, 61%, 43%) |
| HSV | hsv(235, 75%, 69%) |
| CMYK | cmyk(75.4%, 68.6%, 0%, 31.4%) |
| CIE-LAB | lab(30.25, 37.44, -64.96) |
| CIE-LCH | lch(30.25, 74.97, 299.96°) |
| OKLab | oklab(41.4% 0.0026 -0.1879) |
| OKLCH | oklch(41.4% 0.188 270.8) |
| XYZ | xyz(10.0977, 6.3400, 41.2407) |
| Luminance | 0.0634 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.31
Blue Blue
#2242C7
ΔE00 4.38
Ocean Blue
#4F42B5
ΔE00 5.17
Blueberry
#464196
ΔE00 5.82
Blue With A Hint Of Purple
#533CC6
ΔE00 6.15
Blurple
#5539CC
ΔE00 6.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B37AF #AFA32B
analogous
#2B79AF #2B37AF #612BAF
triadic
#2B37AF #AF2B37 #37AF2B
tetradic
#2B37AF #AF2B79 #AFA32B #2BAF61
square
#2B37AF #AF2B79 #AFA32B #2BAF61
split-complementary
#2B37AF #AF612B #79AF2B
monochromatic
#13184D #1F287E #2B37AF #4652D1 #7780DE
Accessibility & contrast
On white
9.26
#2B37AF on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.27
#2B37AF on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B37AF
9.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B37AF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B37AF | 1.00 | 9.26 | 2.27 | 9.26 |
| #FFFFFF | 9.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.27 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EB3
Deuteranopia (green-blind)
#0041AD
Tritanopia (blue-blind)
#00586E
Achromatopsia (no color)
#474747
Design tokens & code
CSS
--color: #2b37af; /* rgb */ color: rgb(43, 55, 175); /* oklch */ color: oklch(41.4% 0.188 270.8);
Tailwind
colors: {
custom: {
50: '#796ec8',
500: '#2b37af',
950: '#000000',
},
}SCSS
$custom: #2b37af; $custom-light: #796ec8; $custom-dark: #000000;
JSON
{
"hex": "#2b37af",
"rgb": {
"r": 43,
"g": 55,
"b": 175
},
"hsl": {
"h": 234.545,
"s": 60.55,
"l": 42.745
},
"oklch": {
"l": 0.414,
"c": 0.18797,
"h": 270.8
},
"luminance": 0.06341
}Semantic roles & 50–950 ramp
primary
#2B37AF
secondary
#C5BE70
accent
#D544E4
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0713
muted
#7C7A82