#2B3CA7#2B3CA7
#2B3CA7 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.172 H 270.0°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).
Color values
| HEX | #2B3CA7 |
|---|---|
| RGB | rgb(43, 60, 167) |
| HSL | hsl(232, 59%, 41%) |
| HSV | hsv(232, 74%, 65%) |
| CMYK | cmyk(74.3%, 64.1%, 0%, 34.5%) |
| CIE-LAB | lab(30.72, 31.34, -59.40) |
| CIE-LCH | lch(30.72, 67.16, 297.82°) |
| OKLab | oklab(41.52% 0.0001 -0.1717) |
| OKLCH | oklch(41.52% 0.172 270) |
| XYZ | xyz(9.5848, 6.5343, 37.3078) |
| Luminance | 0.0654 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 1.40
Blue Blue
#2242C7
ΔE00 4.50
Blueberry
#464196
ΔE00 4.79
Cobalt
#0047AB
ΔE00 5.30
Ocean Blue
#4F42B5
ΔE00 5.41
Darkslateblue
#483D8B
ΔE00 6.51
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2B3CA7 #A7962B
analogous
#2B7AA7 #2B3CA7 #582BA7
triadic
#2B3CA7 #A72B3C #3CA72B
tetradic
#2B3CA7 #A72B7A #A7962B #2BA758
square
#2B3CA7 #A72B7A #A7962B #2BA758
split-complementary
#2B3CA7 #A7582B #7AA72B
monochromatic
#121946 #1E2B76 #2B3CA7 #4154CE #7280DB
Accessibility & contrast
On white
9.10
#2B3CA7 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.31
#2B3CA7 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2B3CA7
9.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2B3CA7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2B3CA7 | 1.00 | 9.10 | 2.31 | 9.10 |
| #FFFFFF | 9.10 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.10 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#004EAA
Deuteranopia (green-blind)
#0043A5
Tritanopia (blue-blind)
#00586C
Achromatopsia (no color)
#484848
Design tokens & code
CSS
--color: #2b3ca7; /* rgb */ color: rgb(43, 60, 167); /* oklch */ color: oklch(41.5% 0.172 270.0);
Tailwind
colors: {
custom: {
50: '#7771c2',
500: '#2b3ca7',
950: '#000000',
},
}SCSS
$custom: #2b3ca7; $custom-light: #7771c2; $custom-dark: #000000;
JSON
{
"hex": "#2b3ca7",
"rgb": {
"r": 43,
"g": 60,
"b": 167
},
"hsl": {
"h": 231.774,
"s": 59.048,
"l": 41.176
},
"oklch": {
"l": 0.41517,
"c": 0.17166,
"h": 270
},
"luminance": 0.06535
}Semantic roles & 50–950 ramp
primary
#2B3CA7
secondary
#C2B66C
accent
#CD46E2
background
#F7F6FC
surface
#EEECF8
border
#C9C7D1
text
#0A0712
muted
#7C7A81