#2A237A#2A237A
#2A237A is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.7% C 0.141 H 278.8°. Best body text is #FFFFFF at 12.96:1 contrast (WCAG AA passes).
Color values
| HEX | #2A237A |
|---|---|
| RGB | rgb(42, 35, 122) |
| HSL | hsl(245, 55%, 31%) |
| HSV | hsv(245, 71%, 48%) |
| CMYK | cmyk(65.6%, 71.3%, 0%, 52.2%) |
| CIE-LAB | lab(20.44, 31.14, -48.43) |
| CIE-LCH | lch(20.44, 57.57, 302.74°) |
| OKLab | oklab(32.73% 0.0215 -0.1397) |
| OKLCH | oklch(32.73% 0.141 278.8) |
| XYZ | xyz(5.0676, 3.0990, 18.7397) |
| Luminance | 0.0310 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Midnight Blue
#191970
ΔE00 3.13
Royal
#0C1793
ΔE00 5.30
Indigo (survey)
#380282
ΔE00 6.71
Dark Royal Blue
#02066F
ΔE00 6.86
Darkblue (survey)
#030764
ΔE00 7.27
Deep Blue
#040273
ΔE00 7.30
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A237A #737A23
analogous
#23477A #2A237A #55237A
triadic
#2A237A #7A2A23 #237A2A
tetradic
#2A237A #7A2347 #737A23 #237A55
square
#2A237A #7A2347 #737A23 #237A55
split-complementary
#2A237A #7A5523 #477A23
monochromatic
#09081B #1A154A #2A237A #3A31AA #564CCC
Accessibility & contrast
On white
12.96
#2A237A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.62
#2A237A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A237A
12.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A237A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A237A | 1.00 | 12.96 | 1.62 | 12.96 |
| #FFFFFF | 12.96 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.62 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 12.96 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#00357D
Deuteranopia (green-blind)
#002E78
Tritanopia (blue-blind)
#003A4B
Achromatopsia (no color)
#313131
Design tokens & code
CSS
--color: #2a237a; /* rgb */ color: rgb(42, 35, 122); /* oklch */ color: oklch(32.7% 0.141 278.8);
Tailwind
colors: {
custom: {
50: '#6e5fa1',
500: '#2a237a',
950: '#000000',
},
}SCSS
$custom: #2a237a; $custom-light: #6e5fa1; $custom-dark: #000000;
JSON
{
"hex": "#2a237a",
"rgb": {
"r": 42,
"g": 35,
"b": 122
},
"hsl": {
"h": 244.828,
"s": 55.414,
"l": 30.784
},
"oklch": {
"l": 0.32732,
"c": 0.14132,
"h": 278.8
},
"luminance": 0.03099
}Semantic roles & 50–950 ramp
primary
#2A237A
secondary
#A5AD4C
accent
#DF49D3
background
#F7F5FA
surface
#EDE9F3
border
#C8C5CD
text
#08040F
muted
#7B797F