#2D37B3#2D37B3
#2D37B3 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.9% C 0.193 H 271.3°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).
Color values
| HEX | #2D37B3 |
|---|---|
| RGB | rgb(45, 55, 179) |
| HSL | hsl(236, 60%, 44%) |
| HSV | hsv(236, 75%, 70%) |
| CMYK | cmyk(74.9%, 69.3%, 0%, 29.8%) |
| CIE-LAB | lab(30.74, 39.05, -66.53) |
| CIE-LCH | lch(30.74, 77.14, 300.41°) |
| OKLab | oklab(41.9% 0.0042 -0.1925) |
| OKLCH | oklch(41.9% 0.193 271.3) |
| XYZ | xyz(10.5823, 6.5438, 43.3445) |
| Luminance | 0.0654 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.86
Blue Blue
#2242C7
ΔE00 4.08
Ocean Blue
#4F42B5
ΔE00 4.86
Blue With A Hint Of Purple
#533CC6
ΔE00 5.61
Blueberry
#464196
ΔE00 6.07
Blurple
#5539CC
ΔE00 6.22
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D37B3 #B3A92D
analogous
#2D7AB3 #2D37B3 #662DB3
triadic
#2D37B3 #B32D37 #37B32D
tetradic
#2D37B3 #B32D7A #B3A92D #2DB366
square
#2D37B3 #B32D7A #B3A92D #2DB366
split-complementary
#2D37B3 #B3662D #7AB32D
monochromatic
#141951 #212882 #2D37B3 #4B55D2 #7C84DE
Accessibility & contrast
On white
9.09
#2D37B3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.31
#2D37B3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2D37B3
9.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D37B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2D37B3 | 1.00 | 9.09 | 2.31 | 9.09 |
| #FFFFFF | 9.09 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.09 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FB7
Deuteranopia (green-blind)
#0042B1
Tritanopia (blue-blind)
#005970
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #2d37b3; /* rgb */ color: rgb(45, 55, 179); /* oklch */ color: oklch(41.9% 0.193 271.3);
Tailwind
colors: {
custom: {
50: '#7b6ecb',
500: '#2d37b3',
950: '#000000',
},
}SCSS
$custom: #2d37b3; $custom-light: #7b6ecb; $custom-dark: #000000;
JSON
{
"hex": "#2d37b3",
"rgb": {
"r": 45,
"g": 55,
"b": 179
},
"hsl": {
"h": 235.522,
"s": 59.821,
"l": 43.922
},
"oklch": {
"l": 0.419,
"c": 0.19256,
"h": 271.3
},
"luminance": 0.06545
}Semantic roles & 50–950 ramp
primary
#2D37B3
secondary
#C7C075
accent
#D745E3
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0713
muted
#7C7A82