#2D37BA#2D37BA
#2D37BA is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.6% C 0.201 H 271.0°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).
Color values
| HEX | #2D37BA |
|---|---|
| RGB | rgb(45, 55, 186) |
| HSL | hsl(236, 61%, 45%) |
| HSV | hsv(236, 76%, 73%) |
| CMYK | cmyk(75.8%, 70.4%, 0%, 27.1%) |
| CIE-LAB | lab(31.43, 41.49, -69.56) |
| CIE-LCH | lch(31.43, 81.00, 300.82°) |
| OKLab | oklab(42.6% 0.0034 -0.2013) |
| OKLCH | oklch(42.6% 0.201 271) |
| XYZ | xyz(11.3083, 6.8342, 47.1680) |
| Luminance | 0.0683 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.65
Blue Blue
#2242C7
ΔE00 3.63
Ocean Blue
#4F42B5
ΔE00 4.73
Blue With A Hint Of Purple
#533CC6
ΔE00 5.03
Blurple
#5539CC
ΔE00 5.56
Blue (survey)
#0343DF
ΔE00 5.73
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D37BA #BAB02D
analogous
#2D7DBA #2D37BA #6A2DBA
triadic
#2D37BA #BA2D37 #37BA2D
tetradic
#2D37BA #BA2D7D #BAB02D #2DBA6A
square
#2D37BA #BA2D7D #BAB02D #2DBA6A
split-complementary
#2D37BA #BA6A2D #7DBA2D
monochromatic
#151A57 #212889 #2D37BA #5059D5 #8188E0
Accessibility & contrast
On white
8.87
#2D37BA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.37
#2D37BA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2D37BA
8.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D37BA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2D37BA | 1.00 | 8.87 | 2.37 | 8.87 |
| #FFFFFF | 8.87 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.37 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.87 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0051BE
Deuteranopia (green-blind)
#0043B8
Tritanopia (blue-blind)
#005C74
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #2d37ba; /* rgb */ color: rgb(45, 55, 186); /* oklch */ color: oklch(42.6% 0.201 271.0);
Tailwind
colors: {
custom: {
50: '#7d6ed0',
500: '#2d37ba',
950: '#000000',
},
}SCSS
$custom: #2d37ba; $custom-light: #7d6ed0; $custom-dark: #000000;
JSON
{
"hex": "#2d37ba",
"rgb": {
"r": 45,
"g": 55,
"b": 186
},
"hsl": {
"h": 235.745,
"s": 61.039,
"l": 45.294
},
"oklch": {
"l": 0.42598,
"c": 0.20137,
"h": 271
},
"luminance": 0.06835
}Semantic roles & 50–950 ramp
primary
#2D37BA
secondary
#C9C479
accent
#D944E4
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0B0714
muted
#7C7A82