#284AAE#284AAE
#284AAE is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.7% C 0.165 H 265.7°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).
Color values
| HEX | #284AAE |
|---|---|
| RGB | rgb(40, 74, 174) |
| HSL | hsl(225, 63%, 42%) |
| HSV | hsv(225, 77%, 68%) |
| CMYK | cmyk(77%, 57.5%, 0%, 31.8%) |
| CIE-LAB | lab(34.81, 24.37, -56.92) |
| CIE-LCH | lch(34.81, 61.91, 293.18°) |
| OKLab | oklab(44.7% -0.0123 -0.1643) |
| OKLCH | oklch(44.7% 0.165 265.7) |
| XYZ | xyz(10.9611, 8.4034, 41.0805) |
| Luminance | 0.0840 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 2.45
Sapphire
#0F52BA
ΔE00 3.63
Blue Blue
#2242C7
ΔE00 4.47
Cobalt (survey)
#1E488F
ΔE00 4.85
Sapphire (survey)
#2138AB
ΔE00 5.61
Dusk Blue
#26538D
ΔE00 6.32
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#284AAE #AE8C28
analogous
#288DAE #284AAE #4928AE
triadic
#284AAE #AE284A #4AAE28
tetradic
#284AAE #AE288D #AE8C28 #28AE49
square
#284AAE #AE288D #AE8C28 #28AE49
split-complementary
#284AAE #AE4928 #8DAE28
monochromatic
#11204A #1D357C #284AAE #4065D3 #728DDF
Accessibility & contrast
On white
7.83
#284AAE on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.68
#284AAE on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #284AAE
7.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##284AAE | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##284AAE | 1.00 | 7.83 | 2.68 | 7.83 |
| #FFFFFF | 7.83 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.68 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.83 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0058B1
Deuteranopia (green-blind)
#004CAC
Tritanopia (blue-blind)
#006374
Achromatopsia (no color)
#525252
Design tokens & code
CSS
--color: #284aae; /* rgb */ color: rgb(40, 74, 174); /* oklch */ color: oklch(44.7% 0.165 265.7);
Tailwind
colors: {
custom: {
50: '#777cc7',
500: '#284aae',
950: '#000000',
},
}SCSS
$custom: #284aae; $custom-light: #777cc7; $custom-dark: #000000;
JSON
{
"hex": "#284aae",
"rgb": {
"r": 40,
"g": 74,
"b": 174
},
"hsl": {
"h": 224.776,
"s": 62.617,
"l": 41.961
},
"oklch": {
"l": 0.44699,
"c": 0.16472,
"h": 265.7
},
"luminance": 0.08405
}Semantic roles & 50–950 ramp
primary
#284AAE
secondary
#C6AF6C
accent
#BC42E6
background
#F7F7FC
surface
#EEEEF8
border
#C9C9D1
text
#0A0913
muted
#7C7B82