#2844B3#2844B3
#2844B3 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.0% C 0.179 H 267.4°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).
Color values
| HEX | #2844B3 |
|---|---|
| RGB | rgb(40, 68, 179) |
| HSL | hsl(228, 63%, 43%) |
| HSV | hsv(228, 78%, 70%) |
| CMYK | cmyk(77.7%, 62%, 0%, 29.8%) |
| CIE-LAB | lab(33.64, 30.24, -61.78) |
| CIE-LCH | lch(33.64, 68.79, 296.08°) |
| OKLab | oklab(43.96% -0.0082 -0.1786) |
| OKLCH | oklch(43.96% 0.179 267.4) |
| XYZ | xyz(11.0760, 7.8388, 43.5684) |
| Luminance | 0.0784 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Blue Blue
#2242C7
ΔE00 2.76
Cobalt
#0047AB
ΔE00 3.61
Sapphire (survey)
#2138AB
ΔE00 3.63
Blue (survey)
#0343DF
ΔE00 5.45
Ocean Blue
#4F42B5
ΔE00 5.45
Sapphire
#0F52BA
ΔE00 5.47
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2844B3 #B39728
analogous
#2889B3 #2844B3 #5228B3
triadic
#2844B3 #B32844 #44B328
tetradic
#2844B3 #B32889 #B39728 #28B352
square
#2844B3 #B32889 #B39728 #28B352
split-complementary
#2844B3 #B35228 #89B328
monochromatic
#121E4F #1D3181 #2844B3 #4361D5 #758BE0
Accessibility & contrast
On white
8.18
#2844B3 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.57
#2844B3 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2844B3
8.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2844B3 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2844B3 | 1.00 | 8.18 | 2.57 | 8.18 |
| #FFFFFF | 8.18 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.57 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.18 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0056B7
Deuteranopia (green-blind)
#0049B1
Tritanopia (blue-blind)
#006175
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #2844b3; /* rgb */ color: rgb(40, 68, 179); /* oklch */ color: oklch(44.0% 0.179 267.4);
Tailwind
colors: {
custom: {
50: '#7877cb',
500: '#2844b3',
950: '#000000',
},
}SCSS
$custom: #2844b3; $custom-light: #7877cb; $custom-dark: #000000;
JSON
{
"hex": "#2844b3",
"rgb": {
"r": 40,
"g": 68,
"b": 179
},
"hsl": {
"h": 227.914,
"s": 63.47,
"l": 42.941
},
"oklch": {
"l": 0.43958,
"c": 0.17883,
"h": 267.4
},
"luminance": 0.0784
}Semantic roles & 50–950 ramp
primary
#2844B3
secondary
#C8B66F
accent
#C541E6
background
#F8F7FC
surface
#EFEDF9
border
#CAC8D2
text
#0A0813
muted
#7C7B82