#28449B#28449B
#28449B is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.9% C 0.146 H 266.5°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).
Color values
| HEX | #28449B |
|---|---|
| RGB | rgb(40, 68, 155) |
| HSL | hsl(225, 59%, 38%) |
| HSV | hsv(225, 74%, 61%) |
| CMYK | cmyk(74.2%, 56.1%, 0%, 39.2%) |
| CIE-LAB | lab(31.70, 21.10, -50.57) |
| CIE-LCH | lch(31.70, 54.80, 292.64°) |
| OKLab | oklab(41.89% -0.0088 -0.1457) |
| OKLCH | oklch(41.89% 0.146 266.5) |
| XYZ | xyz(8.8565, 6.9510, 31.8789) |
| Luminance | 0.0695 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cobalt
#0047AB
ΔE00 3.18
Cobalt (survey)
#1E488F
ΔE00 3.40
Sapphire (survey)
#2138AB
ΔE00 4.82
Blueberry
#464196
ΔE00 5.43
Darkish Blue
#014182
ΔE00 5.54
Sapphire
#0F52BA
ΔE00 6.16
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#28449B #9B7F28
analogous
#287D9B #28449B #45289B
triadic
#28449B #9B2844 #449B28
tetradic
#28449B #9B287D #9B7F28 #289B45
square
#28449B #9B287D #9B7F28 #289B45
split-complementary
#28449B #9B4528 #7D9B28
monochromatic
#0F193A #1B2F6A #28449B #355ACB #6682D7
Accessibility & contrast
On white
8.79
#28449B on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.39
#28449B on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #28449B
8.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##28449B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##28449B | 1.00 | 8.79 | 2.39 | 8.79 |
| #FFFFFF | 8.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00509E
Deuteranopia (green-blind)
#004599
Tritanopia (blue-blind)
#005968
Achromatopsia (no color)
#4B4B4B
Design tokens & code
CSS
--color: #28449b; /* rgb */ color: rgb(40, 68, 155); /* oklch */ color: oklch(41.9% 0.146 266.5);
Tailwind
colors: {
custom: {
50: '#7277b9',
500: '#28449b',
950: '#000000',
},
}SCSS
$custom: #28449b; $custom-light: #7277b9; $custom-dark: #000000;
JSON
{
"hex": "#28449b",
"rgb": {
"r": 40,
"g": 68,
"b": 155
},
"hsl": {
"h": 225.391,
"s": 58.974,
"l": 38.235
},
"oklch": {
"l": 0.41893,
"c": 0.14598,
"h": 266.5
},
"luminance": 0.06952
}Semantic roles & 50–950 ramp
primary
#28449B
secondary
#BDA761
accent
#BC46E2
background
#F7F7FB
surface
#EDEDF6
border
#C8C8D0
text
#090811
muted
#7B7B80