#284F6A#284F6A
#284F6A is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.2% C 0.063 H 240.9°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).
Color values
| HEX | #284F6A |
|---|---|
| RGB | rgb(40, 79, 106) |
| HSL | hsl(205, 45%, 29%) |
| HSV | hsv(205, 62%, 42%) |
| CMYK | cmyk(62.3%, 25.5%, 0%, 58.4%) |
| CIE-LAB | lab(32.00, -4.83, -19.78) |
| CIE-LCH | lch(32.00, 20.36, 256.28°) |
| OKLab | oklab(41.15% -0.0309 -0.0554) |
| OKLCH | oklch(41.15% 0.063 240.9) |
| XYZ | xyz(6.2716, 7.0831, 14.6695) |
| Luminance | 0.0708 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dark Slate Blue
#214761
ΔE00 2.64
Dark Grey Blue
#29465B
ΔE00 3.55
Deep Sea Blue
#015482
ΔE00 4.86
Light Navy
#155084
ΔE00 5.41
Prussian Blue
#004577
ΔE00 6.05
Light Navy Blue
#2E5A88
ΔE00 6.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#284F6A #6A4328
analogous
#286A64 #284F6A #282E6A
triadic
#284F6A #6A284F #4F6A28
tetradic
#284F6A #64286A #6A4328 #2E6A28
square
#284F6A #64286A #6A4328 #2E6A28
split-complementary
#284F6A #6A282E #6A6428
monochromatic
#081116 #172E3E #284F6A #397096 #5090BD
Accessibility & contrast
On white
8.69
#284F6A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.42
#284F6A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #284F6A
8.69:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##284F6A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##284F6A | 1.00 | 8.69 | 2.42 | 8.69 |
| #FFFFFF | 8.69 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.69 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#434F6B
Deuteranopia (green-blind)
#3A486A
Tritanopia (blue-blind)
#005658
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #284f6a; /* rgb */ color: rgb(40, 79, 106); /* oklch */ color: oklch(41.2% 0.063 240.9);
Tailwind
colors: {
custom: {
50: '#688094',
500: '#284f6a',
950: '#000000',
},
}SCSS
$custom: #284f6a; $custom-light: #688094; $custom-dark: #000000;
JSON
{
"hex": "#284f6a",
"rgb": {
"r": 40,
"g": 79,
"b": 106
},
"hsl": {
"h": 204.545,
"s": 45.205,
"l": 28.627
},
"oklch": {
"l": 0.41151,
"c": 0.06346,
"h": 240.9
},
"luminance": 0.07084
}Semantic roles & 50–950 ramp
primary
#284F6A
secondary
#9D7051
accent
#8853D5
background
#F6F7F9
surface
#EBEEF1
border
#C6C9CB
text
#070A0D
muted
#7A7C7E