#2A278D#2A278D
#2A278D is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.162 H 275.5°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).
Color values
| HEX | #2A278D |
|---|---|
| RGB | rgb(42, 39, 141) |
| HSL | hsl(242, 57%, 35%) |
| HSV | hsv(242, 72%, 55%) |
| CMYK | cmyk(70.2%, 72.3%, 0%, 44.7%) |
| CIE-LAB | lab(23.22, 35.26, -55.81) |
| CIE-LCH | lch(23.22, 66.02, 302.29°) |
| OKLab | oklab(35.3% 0.0155 -0.1613) |
| OKLCH | oklch(35.3% 0.162 275.5) |
| XYZ | xyz(6.4865, 3.8658, 25.5985) |
| Luminance | 0.0387 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Royal
#0C1793
ΔE00 4.15
Midnight Blue
#191970
ΔE00 5.44
Sapphire (survey)
#2138AB
ΔE00 6.21
Indigo Blue
#3A18B1
ΔE00 6.33
Cobalt Blue
#030AA7
ΔE00 6.42
Royal Blue (survey)
#0504AA
ΔE00 6.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A278D #8A8D27
analogous
#27578D #2A278D #5D278D
triadic
#2A278D #8D2A27 #278D2A
tetradic
#2A278D #8D2757 #8A8D27 #278D5D
square
#2A278D #8D2757 #8A8D27 #278D5D
split-complementary
#2A278D #8D5D27 #578D27
monochromatic
#0D0C2D #1C1A5D #2A278D #3834BD #605CD2
Accessibility & contrast
On white
11.84
#2A278D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.77
#2A278D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A278D
11.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A278D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A278D | 1.00 | 11.84 | 1.77 | 11.84 |
| #FFFFFF | 11.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.77 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003C90
Deuteranopia (green-blind)
#00338B
Tritanopia (blue-blind)
#004357
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #2a278d; /* rgb */ color: rgb(42, 39, 141); /* oklch */ color: oklch(35.3% 0.162 275.5);
Tailwind
colors: {
custom: {
50: '#7262af',
500: '#2a278d',
950: '#000000',
},
}SCSS
$custom: #2a278d; $custom-light: #7262af; $custom-dark: #000000;
JSON
{
"hex": "#2a278d",
"rgb": {
"r": 42,
"g": 39,
"b": 141
},
"hsl": {
"h": 241.765,
"s": 56.667,
"l": 35.294
},
"oklch": {
"l": 0.35304,
"c": 0.16201,
"h": 275.5
},
"luminance": 0.03866
}Semantic roles & 50–950 ramp
primary
#2A278D
secondary
#B4B759
accent
#E048DB
background
#F7F5FA
surface
#EDEAF5
border
#C8C6CF
text
#090511
muted
#7B7980