#2B3CA4#2B3CA4
#2B3CA4 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.2% C 0.168 H 270.1°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).
Color values
| HEX | #2B3CA4 |
|---|---|
| RGB | rgb(43, 60, 164) |
| HSL | hsl(232, 58%, 41%) |
| HSV | hsv(232, 74%, 64%) |
| CMYK | cmyk(73.8%, 63.4%, 0%, 35.7%) |
| CIE-LAB | lab(30.46, 30.23, -58.02) |
| CIE-LCH | lch(30.46, 65.42, 297.52°) |
| OKLab | oklab(41.24% 0.0002 -0.1676) |
| OKLCH | oklch(41.24% 0.168 270.1) |
| XYZ | xyz(9.3107, 6.4247, 35.8642) |
| Luminance | 0.0643 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.64
Blueberry
#464196
ΔE00 4.61
Blue Blue
#2242C7
ΔE00 4.89
Cobalt
#0047AB
ΔE00 5.26
Ocean Blue
#4F42B5
ΔE00 5.66
Darkslateblue
#483D8B
ΔE00 6.28
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B3CA4 #A4932B
analogous
#2B78A4 #2B3CA4 #562BA4
triadic
#2B3CA4 #A42B3C #3CA42B
tetradic
#2B3CA4 #A42B78 #A4932B #2BA456
square
#2B3CA4 #A42B78 #A4932B #2BA456
split-complementary
#2B3CA4 #A4562B #78A42B
monochromatic
#121943 #1E2A74 #2B3CA4 #3F53CD #707FD9
Accessibility & contrast
On white
9.19
#2B3CA4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.29
#2B3CA4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B3CA4
9.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B3CA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B3CA4 | 1.00 | 9.19 | 2.29 | 9.19 |
| #FFFFFF | 9.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.29 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004DA7
Deuteranopia (green-blind)
#0042A2
Tritanopia (blue-blind)
#00576A
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #2b3ca4; /* rgb */ color: rgb(43, 60, 164); /* oklch */ color: oklch(41.2% 0.168 270.1);
Tailwind
colors: {
custom: {
50: '#7671c0',
500: '#2b3ca4',
950: '#000000',
},
}SCSS
$custom: #2b3ca4; $custom-light: #7671c0; $custom-dark: #000000;
JSON
{
"hex": "#2b3ca4",
"rgb": {
"r": 43,
"g": 60,
"b": 164
},
"hsl": {
"h": 231.57,
"s": 58.454,
"l": 40.588
},
"oklch": {
"l": 0.41243,
"c": 0.16762,
"h": 270.1
},
"luminance": 0.06426
}Semantic roles & 50–950 ramp
primary
#2B3CA4
secondary
#C1B46A
accent
#CC46E2
background
#F7F6FB
surface
#EEECF7
border
#C9C7D0
text
#0A0712
muted
#7C7A81