#2D23A7#2D23A7
#2D23A7 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.7% C 0.198 H 274.7°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).
Color values
| HEX | #2D23A7 |
|---|---|
| RGB | rgb(45, 35, 167) |
| HSL | hsl(245, 65%, 40%) |
| HSV | hsv(245, 79%, 65%) |
| CMYK | cmyk(73.1%, 79%, 0%, 34.5%) |
| CIE-LAB | lab(25.41, 46.47, -68.14) |
| CIE-LCH | lch(25.41, 82.47, 304.29°) |
| OKLab | oklab(37.73% 0.0161 -0.1971) |
| OKLCH | oklch(37.73% 0.198 274.7) |
| XYZ | xyz(8.6560, 4.5491, 36.9736) |
| Luminance | 0.0455 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 2.71
Royal
#0C1793
ΔE00 4.45
Cobalt Blue
#030AA7
ΔE00 4.46
Ultramarine
#2000B1
ΔE00 4.59
Royal Blue (survey)
#0504AA
ΔE00 4.82
True Blue
#010FCC
ΔE00 4.98
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D23A7 #9DA723
analogous
#235BA7 #2D23A7 #6F23A7
triadic
#2D23A7 #A72D23 #23A72D
tetradic
#2D23A7 #A7235B #9DA723 #23A76F
square
#2D23A7 #A7235B #9DA723 #23A76F
split-complementary
#2D23A7 #A76F23 #5BA723
monochromatic
#120E42 #1F1874 #2D23A7 #3F33D4 #6F66DF
Accessibility & contrast
On white
10.99
#2D23A7 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.91
#2D23A7 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2D23A7
10.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D23A7 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2D23A7 | 1.00 | 10.99 | 1.91 | 10.99 |
| #FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.91 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0042AB
Deuteranopia (green-blind)
#0036A5
Tritanopia (blue-blind)
#004B65
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #2d23a7; /* rgb */ color: rgb(45, 35, 167); /* oklch */ color: oklch(37.7% 0.198 274.7);
Tailwind
colors: {
custom: {
50: '#7a61c2',
500: '#2d23a7',
950: '#000000',
},
}SCSS
$custom: #2d23a7; $custom-light: #7a61c2; $custom-dark: #000000;
JSON
{
"hex": "#2d23a7",
"rgb": {
"r": 45,
"g": 35,
"b": 167
},
"hsl": {
"h": 244.545,
"s": 65.347,
"l": 39.608
},
"oklch": {
"l": 0.37732,
"c": 0.19772,
"h": 274.7
},
"luminance": 0.0455
}Semantic roles & 50–950 ramp
primary
#2D23A7
secondary
#BDC461
accent
#E83FDC
background
#F8F5FC
surface
#EFEAF8
border
#CAC6D1
text
#0B0513
muted
#7C7982