#284E84#284E84
#284E84 is a dark, moderate blue. Relative luminance 0.076; OKLCH L 42.4% C 0.100 H 257.5°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).
Color values
| HEX | #284E84 |
|---|---|
| RGB | rgb(40, 78, 132) |
| HSL | hsl(215, 53%, 34%) |
| HSV | hsv(215, 70%, 52%) |
| CMYK | cmyk(69.7%, 40.9%, 0%, 48.2%) |
| CIE-LAB | lab(33.06, 5.47, -34.31) |
| CIE-LCH | lch(33.06, 34.74, 279.06°) |
| OKLab | oklab(42.44% -0.0217 -0.0977) |
| OKLCH | oklch(42.44% 0.1 257.5) |
| XYZ | xyz(7.7628, 7.5651, 22.8764) |
| Luminance | 0.0757 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk Blue
#26538D
ΔE00 2.04
Cobalt (survey)
#1E488F
ΔE00 2.66
Light Navy
#155084
ΔE00 3.03
Twilight Blue
#0A437A
ΔE00 4.04
Light Navy Blue
#2E5A88
ΔE00 4.33
Darkish Blue
#014182
ΔE00 4.40
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#284E84 #845E28
analogous
#287C84 #284E84 #302884
triadic
#284E84 #84284E #4E8428
tetradic
#284E84 #84287C #845E28 #288430
square
#284E84 #84287C #845E28 #288430
split-complementary
#284E84 #843028 #7C8428
monochromatic
#0C1626 #1A3255 #284E84 #366AB3 #5A89CD
Accessibility & contrast
On white
8.36
#284E84 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.51
#284E84 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #284E84
8.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##284E84 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##284E84 | 1.00 | 8.36 | 2.51 | 8.36 |
| #FFFFFF | 8.36 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.36 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#355286
Deuteranopia (green-blind)
#284A83
Tritanopia (blue-blind)
#005A62
Achromatopsia (no color)
#4E4E4E
Design tokens & code
CSS
--color: #284e84; /* rgb */ color: rgb(40, 78, 132); /* oklch */ color: oklch(42.4% 0.100 257.5);
Tailwind
colors: {
custom: {
50: '#6d7fa8',
500: '#284e84',
950: '#000000',
},
}SCSS
$custom: #284e84; $custom-light: #6d7fa8; $custom-dark: #000000;
JSON
{
"hex": "#284e84",
"rgb": {
"r": 40,
"g": 78,
"b": 132
},
"hsl": {
"h": 215.217,
"s": 53.488,
"l": 33.725
},
"oklch": {
"l": 0.42438,
"c": 0.10012,
"h": 257.5
},
"luminance": 0.07566
}Semantic roles & 50–950 ramp
primary
#284E84
secondary
#B28C56
accent
#A14BDD
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#080A0F
muted
#7B7C7F