#2A3FA6#2A3FA6
#2A3FA6 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.9% C 0.167 H 269.0°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).
Color values
| HEX | #2A3FA6 |
|---|---|
| RGB | rgb(42, 63, 166) |
| HSL | hsl(230, 60%, 41%) |
| HSV | hsv(230, 75%, 65%) |
| CMYK | cmyk(74.7%, 62%, 0%, 34.9%) |
| CIE-LAB | lab(31.35, 28.88, -57.78) |
| CIE-LCH | lch(31.35, 64.59, 296.56°) |
| OKLab | oklab(41.94% -0.003 -0.1669) |
| OKLCH | oklch(41.94% 0.167 269) |
| XYZ | xyz(9.6129, 6.7994, 36.8748) |
| Luminance | 0.0680 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Sapphire (survey)
#2138AB
ΔE00 2.26
Cobalt
#0047AB
ΔE00 4.38
Blue Blue
#2242C7
ΔE00 4.44
Blueberry
#464196
ΔE00 4.80
Ocean Blue
#4F42B5
ΔE00 5.69
Cobalt (survey)
#1E488F
ΔE00 6.05
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A3FA6 #A6912A
analogous
#2A7DA6 #2A3FA6 #532AA6
triadic
#2A3FA6 #A62A3F #3FA62A
tetradic
#2A3FA6 #A62A7D #A6912A #2AA653
square
#2A3FA6 #A62A7D #A6912A #2AA653
split-complementary
#2A3FA6 #A6532A #7DA62A
monochromatic
#111A44 #1E2C75 #2A3FA6 #3F57CE #7082DB
Accessibility & contrast
On white
8.90
#2A3FA6 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.36
#2A3FA6 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A3FA6
8.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A3FA6 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A3FA6 | 1.00 | 8.90 | 2.36 | 8.90 |
| #FFFFFF | 8.90 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.36 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.90 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0050A9
Deuteranopia (green-blind)
#0044A4
Tritanopia (blue-blind)
#00596C
Achromatopsia (no color)
#4A4A4A
Design tokens & code
CSS
--color: #2a3fa6; /* rgb */ color: rgb(42, 63, 166); /* oklch */ color: oklch(41.9% 0.167 269.0);
Tailwind
colors: {
custom: {
50: '#7673c1',
500: '#2a3fa6',
950: '#000000',
},
}SCSS
$custom: #2a3fa6; $custom-light: #7673c1; $custom-dark: #000000;
JSON
{
"hex": "#2a3fa6",
"rgb": {
"r": 42,
"g": 63,
"b": 166
},
"hsl": {
"h": 229.839,
"s": 59.615,
"l": 40.784
},
"oklch": {
"l": 0.41937,
"c": 0.16693,
"h": 269
},
"luminance": 0.068
}Semantic roles & 50–950 ramp
primary
#2A3FA6
secondary
#C2B36A
accent
#C845E3
background
#F7F7FC
surface
#EEEDF8
border
#C9C8D1
text
#0A0812
muted
#7C7B81