#2B3CAA#2B3CAA
#2B3CAA is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.8% C 0.176 H 270.0°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).
Color values
| HEX | #2B3CAA |
|---|---|
| RGB | rgb(43, 60, 170) |
| HSL | hsl(232, 60%, 42%) |
| HSV | hsv(232, 75%, 67%) |
| CMYK | cmyk(74.7%, 64.7%, 0%, 33.3%) |
| CIE-LAB | lab(30.99, 32.44, -60.76) |
| CIE-LCH | lch(30.99, 68.88, 298.10°) |
| OKLab | oklab(41.8% -0.0001 -0.1757) |
| OKLCH | oklch(41.8% 0.176 270) |
| XYZ | xyz(9.8653, 6.6465, 38.7854) |
| Luminance | 0.0665 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.28
Blue Blue
#2242C7
ΔE00 4.12
Blueberry
#464196
ΔE00 5.00
Ocean Blue
#4F42B5
ΔE00 5.18
Cobalt
#0047AB
ΔE00 5.38
Darkslateblue
#483D8B
ΔE00 6.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B3CAA #AA992B
analogous
#2B7BAA #2B3CAA #5A2BAA
triadic
#2B3CAA #AA2B3C #3CAA2B
tetradic
#2B3CAA #AA2B7B #AA992B #2BAA5A
square
#2B3CAA #AA2B7B #AA992B #2BAA5A
split-complementary
#2B3CAA #AA5A2B #7BAA2B
monochromatic
#121A48 #1F2B79 #2B3CAA #4356CF #7482DC
Accessibility & contrast
On white
9.01
#2B3CAA on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.33
#2B3CAA on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B3CAA
9.01:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B3CAA | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B3CAA | 1.00 | 9.01 | 2.33 | 9.01 |
| #FFFFFF | 9.01 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.33 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.01 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004FAE
Deuteranopia (green-blind)
#0043A8
Tritanopia (blue-blind)
#00596D
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #2b3caa; /* rgb */ color: rgb(43, 60, 170); /* oklch */ color: oklch(41.8% 0.176 270.0);
Tailwind
colors: {
custom: {
50: '#7871c4',
500: '#2b3caa',
950: '#000000',
},
}SCSS
$custom: #2b3caa; $custom-light: #7871c4; $custom-dark: #000000;
JSON
{
"hex": "#2b3caa",
"rgb": {
"r": 43,
"g": 60,
"b": 170
},
"hsl": {
"h": 231.969,
"s": 59.624,
"l": 41.765
},
"oklch": {
"l": 0.41795,
"c": 0.17566,
"h": 270
},
"luminance": 0.06648
}Semantic roles & 50–950 ramp
primary
#2B3CAA
secondary
#C3B86E
accent
#CE45E3
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#0A0713
muted
#7C7A82