#2B3CB7#2B3CB7
#2B3CB7 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.0% C 0.193 H 269.7°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).
Color values
| HEX | #2B3CB7 |
|---|---|
| RGB | rgb(43, 60, 183) |
| HSL | hsl(233, 62%, 44%) |
| HSV | hsv(233, 77%, 72%) |
| CMYK | cmyk(76.5%, 67.2%, 0%, 28.2%) |
| CIE-LAB | lab(32.18, 37.16, -66.56) |
| CIE-LCH | lch(32.18, 76.23, 299.18°) |
| OKLab | oklab(43.03% -0.0009 -0.1926) |
| OKLCH | oklch(43.03% 0.193 269.7) |
| XYZ | xyz(11.1564, 7.1630, 45.5852) |
| Luminance | 0.0716 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.17
Blue Blue
#2242C7
ΔE00 2.69
Ocean Blue
#4F42B5
ΔE00 4.55
Blue (survey)
#0343DF
ΔE00 5.32
Blue With A Hint Of Purple
#533CC6
ΔE00 5.54
Cobalt
#0047AB
ΔE00 5.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B3CB7 #B7A62B
analogous
#2B82B7 #2B3CB7 #602BB7
triadic
#2B3CB7 #B72B3C #3CB72B
tetradic
#2B3CB7 #B72B82 #B7A62B #2BB760
square
#2B3CB7 #B72B82 #B7A62B #2BB760
split-complementary
#2B3CB7 #B7602B #82B72B
monochromatic
#141C54 #1F2C85 #2B3CB7 #4B5BD5 #7C88E0
Accessibility & contrast
On white
8.63
#2B3CB7 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.43
#2B3CB7 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B3CB7
8.63:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B3CB7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B3CB7 | 1.00 | 8.63 | 2.43 | 8.63 |
| #FFFFFF | 8.63 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.63 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0052BB
Deuteranopia (green-blind)
#0045B5
Tritanopia (blue-blind)
#005D74
Achromatopsia (no color)
#4C4C4C
Design tokens & code
CSS
--color: #2b3cb7; /* rgb */ color: rgb(43, 60, 183); /* oklch */ color: oklch(43.0% 0.193 269.7);
Tailwind
colors: {
custom: {
50: '#7b72ce',
500: '#2b3cb7',
950: '#000000',
},
}SCSS
$custom: #2b3cb7; $custom-light: #7b72ce; $custom-dark: #000000;
JSON
{
"hex": "#2b3cb7",
"rgb": {
"r": 43,
"g": 60,
"b": 183
},
"hsl": {
"h": 232.714,
"s": 61.947,
"l": 44.314
},
"oklch": {
"l": 0.43025,
"c": 0.19261,
"h": 269.7
},
"luminance": 0.07164
}Semantic roles & 50–950 ramp
primary
#2B3CB7
secondary
#C9BE75
accent
#D143E5
background
#F8F6FC
surface
#EFECF9
border
#CAC7D2
text
#0B0814
muted
#7C7B82