#2D3FA1#2D3FA1
#2D3FA1 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.6% C 0.159 H 270.0°. Best body text is #FFFFFF at 8.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2D3FA1 |
|---|---|
| RGB | rgb(45, 63, 161) |
| HSL | hsl(231, 56%, 40%) |
| HSV | hsv(231, 72%, 63%) |
| CMYK | cmyk(72%, 60.9%, 0%, 36.9%) |
| CIE-LAB | lab(31.08, 27.39, -55.19) |
| CIE-LCH | lch(31.08, 61.62, 296.40°) |
| OKLab | oklab(41.65% 0.0001 -0.1593) |
| OKLCH | oklch(41.65% 0.159 270) |
| XYZ | xyz(9.2905, 6.6852, 34.5120) |
| Luminance | 0.0669 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.67
Blueberry
#464196
ΔE00 4.27
Cobalt
#0047AB
ΔE00 4.64
Blue Blue
#2242C7
ΔE00 5.14
Cobalt (survey)
#1E488F
ΔE00 5.82
Ocean Blue
#4F42B5
ΔE00 5.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D3FA1 #A18F2D
analogous
#2D79A1 #2D3FA1 #552DA1
triadic
#2D3FA1 #A12D3F #3FA12D
tetradic
#2D3FA1 #A12D79 #A18F2D #2DA155
square
#2D3FA1 #A12D79 #A18F2D #2DA155
split-complementary
#2D3FA1 #A1552D #79A12D
monochromatic
#121A41 #202C71 #2D3FA1 #4156CA #7181D7
Accessibility & contrast
On white
8.99
#2D3FA1 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.34
#2D3FA1 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2D3FA1
8.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D3FA1 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2D3FA1 | 1.00 | 8.99 | 2.34 | 8.99 |
| #FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.34 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FA4
Deuteranopia (green-blind)
#00449F
Tritanopia (blue-blind)
#00586A
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #2d3fa1; /* rgb */ color: rgb(45, 63, 161); /* oklch */ color: oklch(41.6% 0.159 270.0);
Tailwind
colors: {
custom: {
50: '#7673be',
500: '#2d3fa1',
950: '#000000',
},
}SCSS
$custom: #2d3fa1; $custom-light: #7673be; $custom-dark: #000000;
JSON
{
"hex": "#2d3fa1",
"rgb": {
"r": 45,
"g": 63,
"b": 161
},
"hsl": {
"h": 230.69,
"s": 56.311,
"l": 40.392
},
"oklch": {
"l": 0.4165,
"c": 0.15926,
"h": 270
},
"luminance": 0.06686
}Semantic roles & 50–950 ramp
primary
#2D3FA1
secondary
#BFB26B
accent
#C848E0
background
#F7F7FB
surface
#EEEDF7
border
#C9C8D0
text
#0A0812
muted
#7C7B81