#2A4CA4#2A4CA4
#2A4CA4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.4% C 0.148 H 265.0°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).
Color values
| HEX | #2A4CA4 |
|---|---|
| RGB | rgb(42, 76, 164) |
| HSL | hsl(223, 59%, 40%) |
| HSV | hsv(223, 74%, 64%) |
| CMYK | cmyk(74.4%, 53.7%, 0%, 35.7%) |
| CIE-LAB | lab(34.68, 19.44, -51.15) |
| CIE-LCH | lch(34.68, 54.72, 290.81°) |
| OKLab | oklab(44.39% -0.0129 -0.1472) |
| OKLCH | oklch(44.39% 0.148 265) |
| XYZ | xyz(10.2378, 8.3404, 36.1851) |
| Luminance | 0.0834 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.55
Cobalt (survey)
#1E488F
ΔE00 3.51
Sapphire
#0F52BA
ΔE00 3.68
Dusk Blue
#26538D
ΔE00 4.89
Denim Blue
#3B5B92
ΔE00 5.71
Blue Blue
#2242C7
ΔE00 6.12
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A4CA4 #A4822A
analogous
#2A89A4 #2A4CA4 #452AA4
triadic
#2A4CA4 #A42A4C #4CA42A
tetradic
#2A4CA4 #A42A89 #A4822A #2AA445
square
#2A4CA4 #A42A89 #A4822A #2AA445
split-complementary
#2A4CA4 #A4452A #89A42A
monochromatic
#111F43 #1E3573 #2A4CA4 #3E66CD #6E8CDA
Accessibility & contrast
On white
7.87
#2A4CA4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.67
#2A4CA4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A4CA4
7.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A4CA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A4CA4 | 1.00 | 7.87 | 2.67 | 7.87 |
| #FFFFFF | 7.87 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.67 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.87 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0C57A7
Deuteranopia (green-blind)
#004CA2
Tritanopia (blue-blind)
#006170
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #2a4ca4; /* rgb */ color: rgb(42, 76, 164); /* oklch */ color: oklch(44.4% 0.148 265.0);
Tailwind
colors: {
custom: {
50: '#757dc0',
500: '#2a4ca4',
950: '#000000',
},
}SCSS
$custom: #2a4ca4; $custom-light: #757dc0; $custom-dark: #000000;
JSON
{
"hex": "#2a4ca4",
"rgb": {
"r": 42,
"g": 76,
"b": 164
},
"hsl": {
"h": 223.279,
"s": 59.223,
"l": 40.392
},
"oklch": {
"l": 0.44387,
"c": 0.14781,
"h": 265
},
"luminance": 0.08341
}Semantic roles & 50–950 ramp
primary
#2A4CA4
secondary
#C1A869
accent
#B745E2
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#090912
muted
#7B7B81