#284E98#284E98
#284E98 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 43.8% C 0.129 H 262.1°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).
Color values
| HEX | #284E98 |
|---|---|
| RGB | rgb(40, 78, 152) |
| HSL | hsl(220, 58%, 38%) |
| HSV | hsv(220, 74%, 60%) |
| CMYK | cmyk(73.7%, 48.7%, 0%, 40.4%) |
| CIE-LAB | lab(34.33, 13.19, -44.50) |
| CIE-LCH | lch(34.33, 46.41, 286.51°) |
| OKLab | oklab(43.82% -0.0178 -0.1277) |
| OKLCH | oklch(43.82% 0.129 262.1) |
| XYZ | xyz(9.2649, 8.1659, 30.7876) |
| Luminance | 0.0817 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt (survey)
#1E488F
ΔE00 2.23
Dusk Blue
#26538D
ΔE00 2.94
Cobalt
#0047AB
ΔE00 3.59
Sapphire
#0F52BA
ΔE00 4.42
Denim Blue
#3B5B92
ΔE00 4.52
Light Navy
#155084
ΔE00 4.83
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#284E98 #987228
analogous
#288698 #284E98 #3A2898
triadic
#284E98 #98284E #4E9828
tetradic
#284E98 #982886 #987228 #28983A
square
#284E98 #982886 #987228 #28983A
split-complementary
#284E98 #983A28 #869828
monochromatic
#0F1C37 #1B3568 #284E98 #3567C8 #648BD6
Accessibility & contrast
On white
7.97
#284E98 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.63
#284E98 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #284E98
7.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##284E98 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##284E98 | 1.00 | 7.97 | 2.63 | 7.97 |
| #FFFFFF | 7.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#26569B
Deuteranopia (green-blind)
#064C97
Tritanopia (blue-blind)
#005F6B
Achromatopsia (no color)
#515151
Design tokens & code
CSS
--color: #284e98; /* rgb */ color: rgb(40, 78, 152); /* oklch */ color: oklch(43.8% 0.129 262.1);
Tailwind
colors: {
custom: {
50: '#717fb7',
500: '#284e98',
950: '#000000',
},
}SCSS
$custom: #284e98; $custom-light: #717fb7; $custom-dark: #000000;
JSON
{
"hex": "#284e98",
"rgb": {
"r": 40,
"g": 78,
"b": 152
},
"hsl": {
"h": 219.643,
"s": 58.333,
"l": 37.647
},
"oklch": {
"l": 0.43824,
"c": 0.12891,
"h": 262.1
},
"luminance": 0.08167
}Semantic roles & 50–950 ramp
primary
#284E98
secondary
#BC9D60
accent
#AD46E2
background
#F7F7FB
surface
#EDEEF6
border
#C8C9D0
text
#090A11
muted
#7B7C80