#2D37B7#2D37B7
#2D37B7 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.3% C 0.198 H 271.1°. Best body text is #FFFFFF at 8.97:1 contrast (WCAG AA passes).
Color values
| HEX | #2D37B7 |
|---|---|
| RGB | rgb(45, 55, 183) |
| HSL | hsl(236, 61%, 45%) |
| HSV | hsv(236, 75%, 72%) |
| CMYK | cmyk(75.4%, 69.9%, 0%, 28.2%) |
| CIE-LAB | lab(31.13, 40.45, -68.27) |
| CIE-LCH | lch(31.13, 79.35, 300.65°) |
| OKLab | oklab(42.3% 0.0038 -0.1976) |
| OKLCH | oklch(42.3% 0.198 271.1) |
| XYZ | xyz(10.9927, 6.7080, 45.5060) |
| Luminance | 0.0671 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.30
Blue Blue
#2242C7
ΔE00 3.80
Ocean Blue
#4F42B5
ΔE00 4.76
Blue With A Hint Of Purple
#533CC6
ΔE00 5.27
Blurple
#5539CC
ΔE00 5.83
Blue (survey)
#0343DF
ΔE00 6.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D37B7 #B7AD2D
analogous
#2D7CB7 #2D37B7 #682DB7
triadic
#2D37B7 #B72D37 #37B72D
tetradic
#2D37B7 #B72D7C #B7AD2D #2DB768
square
#2D37B7 #B72D7C #B7AD2D #2DB768
split-complementary
#2D37B7 #B7682D #7CB72D
monochromatic
#151955 #212886 #2D37B7 #4E57D3 #7F86DF
Accessibility & contrast
On white
8.97
#2D37B7 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#2D37B7 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2D37B7
8.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D37B7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2D37B7 | 1.00 | 8.97 | 2.34 | 8.97 |
| #FFFFFF | 8.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050BB
Deuteranopia (green-blind)
#0043B5
Tritanopia (blue-blind)
#005A73
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #2d37b7; /* rgb */ color: rgb(45, 55, 183); /* oklch */ color: oklch(42.3% 0.198 271.1);
Tailwind
colors: {
custom: {
50: '#7c6ece',
500: '#2d37b7',
950: '#000000',
},
}SCSS
$custom: #2d37b7; $custom-light: #7c6ece; $custom-dark: #000000;
JSON
{
"hex": "#2d37b7",
"rgb": {
"r": 45,
"g": 55,
"b": 183
},
"hsl": {
"h": 235.652,
"s": 60.526,
"l": 44.706
},
"oklch": {
"l": 0.42297,
"c": 0.19762,
"h": 271.1
},
"luminance": 0.06709
}Semantic roles & 50–950 ramp
primary
#2D37B7
secondary
#C8C278
accent
#D844E4
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0714
muted
#7C7A82