#2A4DA4#2A4DA4
#2A4DA4 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.6% C 0.147 H 264.6°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).
Color values
| HEX | #2A4DA4 |
|---|---|
| RGB | rgb(42, 77, 164) |
| HSL | hsl(223, 59%, 40%) |
| HSV | hsv(223, 74%, 64%) |
| CMYK | cmyk(74.4%, 53%, 0%, 35.7%) |
| CIE-LAB | lab(34.96, 18.77, -50.70) |
| CIE-LCH | lch(34.96, 54.06, 290.32°) |
| OKLab | oklab(44.6% -0.0137 -0.1459) |
| OKLCH | oklch(44.6% 0.147 264.6) |
| XYZ | xyz(10.3072, 8.4792, 36.2082) |
| Luminance | 0.0848 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.69
Sapphire
#0F52BA
ΔE00 3.47
Cobalt (survey)
#1E488F
ΔE00 3.52
Dusk Blue
#26538D
ΔE00 4.63
Denim Blue
#3B5B92
ΔE00 5.40
Blue Blue
#2242C7
ΔE00 6.34
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A4DA4 #A4812A
analogous
#2A8AA4 #2A4DA4 #442AA4
triadic
#2A4DA4 #A42A4D #4DA42A
tetradic
#2A4DA4 #A42A8A #A4812A #2AA444
square
#2A4DA4 #A42A8A #A4812A #2AA444
split-complementary
#2A4DA4 #A4442A #8AA42A
monochromatic
#111F43 #1E3673 #2A4DA4 #3E67CD #6E8DDA
Accessibility & contrast
On white
7.79
#2A4DA4 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.70
#2A4DA4 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A4DA4
7.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A4DA4 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A4DA4 | 1.00 | 7.79 | 2.70 | 7.79 |
| #FFFFFF | 7.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.70 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#1158A7
Deuteranopia (green-blind)
#004DA2
Tritanopia (blue-blind)
#006271
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #2a4da4; /* rgb */ color: rgb(42, 77, 164); /* oklch */ color: oklch(44.6% 0.147 264.6);
Tailwind
colors: {
custom: {
50: '#757ec0',
500: '#2a4da4',
950: '#000000',
},
}SCSS
$custom: #2a4da4; $custom-light: #757ec0; $custom-dark: #000000;
JSON
{
"hex": "#2a4da4",
"rgb": {
"r": 42,
"g": 77,
"b": 164
},
"hsl": {
"h": 222.787,
"s": 59.223,
"l": 40.392
},
"oklch": {
"l": 0.44599,
"c": 0.14654,
"h": 264.6
},
"luminance": 0.0848
}Semantic roles & 50–950 ramp
primary
#2A4DA4
secondary
#C1A869
accent
#B545E2
background
#F7F7FB
surface
#EEEEF7
border
#C9C9D0
text
#090912
muted
#7B7B81