#2A23BC#2A23BC
#2A23BC is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 39.9% C 0.223 H 271.9°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).
Color values
| HEX | #2A23BC |
|---|---|
| RGB | rgb(42, 35, 188) |
| HSL | hsl(243, 69%, 44%) |
| HSV | hsv(243, 81%, 74%) |
| CMYK | cmyk(77.7%, 81.4%, 0%, 26.3%) |
| CIE-LAB | lab(27.64, 52.80, -77.01) |
| CIE-LCH | lch(27.64, 93.37, 304.44°) |
| OKLab | oklab(39.94% 0.0073 -0.2229) |
| OKLCH | oklch(39.94% 0.223 271.9) |
| XYZ | xyz(10.6299, 5.3240, 48.0346) |
| Luminance | 0.0532 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 2.75
True Blue
#010FCC
ΔE00 3.15
Mediumblue
#0000CD
ΔE00 4.09
Ultramarine Blue
#1805DB
ΔE00 4.21
Pure Blue
#0203E2
ΔE00 4.75
Ultramarine
#2000B1
ΔE00 4.89
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A23BC #B5BC23
analogous
#2368BC #2A23BC #7623BC
triadic
#2A23BC #BC2A23 #23BC2A
tetradic
#2A23BC #BC2368 #B5BC23 #23BC76
square
#2A23BC #BC2368 #B5BC23 #23BC76
split-complementary
#2A23BC #BC7623 #68BC23
monochromatic
#131055 #1E1988 #2A23BC #4841DC #7974E5
Accessibility & contrast
On white
10.17
#2A23BC on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.07
#2A23BC on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A23BC
10.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A23BC | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A23BC | 1.00 | 10.17 | 2.07 | 10.17 |
| #FFFFFF | 10.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.07 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0049C0
Deuteranopia (green-blind)
#003AB9
Tritanopia (blue-blind)
#005471
Achromatopsia (no color)
#414141
Design tokens & code
CSS
--color: #2a23bc; /* rgb */ color: rgb(42, 35, 188); /* oklch */ color: oklch(39.9% 0.223 271.9);
Tailwind
colors: {
custom: {
50: '#7e62d2',
500: '#2a23bc',
950: '#000000',
},
}SCSS
$custom: #2a23bc; $custom-light: #7e62d2; $custom-dark: #000000;
JSON
{
"hex": "#2a23bc",
"rgb": {
"r": 42,
"g": 35,
"b": 188
},
"hsl": {
"h": 242.745,
"s": 68.61,
"l": 43.725
},
"oklch": {
"l": 0.39937,
"c": 0.22298,
"h": 271.9
},
"luminance": 0.05325
}Semantic roles & 50–950 ramp
primary
#2A23BC
secondary
#C8CC6F
accent
#EB3CE3
background
#F8F6FD
surface
#F0EBFA
border
#CBC6D3
text
#0C0514
muted
#7D7A83