#2B3EA3#2B3EA3
#2B3EA3 is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.5% C 0.164 H 269.6°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).
Color values
| HEX | #2B3EA3 |
|---|---|
| RGB | rgb(43, 62, 163) |
| HSL | hsl(231, 58%, 40%) |
| HSV | hsv(231, 74%, 64%) |
| CMYK | cmyk(73.6%, 62%, 0%, 36.1%) |
| CIE-LAB | lab(30.88, 28.54, -56.72) |
| CIE-LCH | lch(30.88, 63.50, 296.71°) |
| OKLab | oklab(41.53% -0.0012 -0.1638) |
| OKLCH | oklch(41.53% 0.164 269.6) |
| XYZ | xyz(9.3275, 6.6022, 35.4260) |
| Luminance | 0.0660 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.21
Blueberry
#464196
ΔE00 4.54
Cobalt
#0047AB
ΔE00 4.71
Blue Blue
#2242C7
ΔE00 4.89
Ocean Blue
#4F42B5
ΔE00 5.81
Cobalt (survey)
#1E488F
ΔE00 6.11
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B3EA3 #A3902B
analogous
#2B7AA3 #2B3EA3 #542BA3
triadic
#2B3EA3 #A32B3E #3EA32B
tetradic
#2B3EA3 #A32B7A #A3902B #2BA354
square
#2B3EA3 #A32B7A #A3902B #2BA354
split-complementary
#2B3EA3 #A3542B #7AA32B
monochromatic
#111942 #1E2C73 #2B3EA3 #3F55CC #6F80D9
Accessibility & contrast
On white
9.05
#2B3EA3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.32
#2B3EA3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B3EA3
9.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B3EA3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B3EA3 | 1.00 | 9.05 | 2.32 | 9.05 |
| #FFFFFF | 9.05 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.32 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.05 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EA6
Deuteranopia (green-blind)
#0043A1
Tritanopia (blue-blind)
#00586A
Achromatopsia (no color)
#494949
Design tokens & code
CSS
--color: #2b3ea3; /* rgb */ color: rgb(43, 62, 163); /* oklch */ color: oklch(41.5% 0.164 269.6);
Tailwind
colors: {
custom: {
50: '#7673bf',
500: '#2b3ea3',
950: '#000000',
},
}SCSS
$custom: #2b3ea3; $custom-light: #7673bf; $custom-dark: #000000;
JSON
{
"hex": "#2b3ea3",
"rgb": {
"r": 43,
"g": 62,
"b": 163
},
"hsl": {
"h": 230.5,
"s": 58.252,
"l": 40.392
},
"oklch": {
"l": 0.41529,
"c": 0.1638,
"h": 269.6
},
"luminance": 0.06603
}Semantic roles & 50–950 ramp
primary
#2B3EA3
secondary
#C0B26A
accent
#C946E1
background
#F7F6FB
surface
#EEECF7
border
#C9C7D0
text
#0A0812
muted
#7C7B81