#2D21AB#2D21AB
#2D21AB is a dark, highly saturated blue. Relative luminance 0.046; OKLCH L 37.9% C 0.204 H 274.5°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).
Color values
| HEX | #2D21AB |
|---|---|
| RGB | rgb(45, 33, 171) |
| HSL | hsl(245, 68%, 40%) |
| HSV | hsv(245, 81%, 67%) |
| CMYK | cmyk(73.7%, 80.7%, 0%, 32.9%) |
| CIE-LAB | lab(25.52, 48.72, -70.37) |
| CIE-LCH | lch(25.52, 85.59, 304.70°) |
| OKLab | oklab(37.94% 0.0159 -0.2035) |
| OKLCH | oklch(37.94% 0.204 274.5) |
| XYZ | xyz(8.9743, 4.5850, 38.9322) |
| Luminance | 0.0459 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Indigo Blue
#3A18B1
ΔE00 2.17
Ultramarine
#2000B1
ΔE00 4.12
Cobalt Blue
#030AA7
ΔE00 4.21
True Blue
#010FCC
ΔE00 4.37
Royal Blue (survey)
#0504AA
ΔE00 4.51
Royal
#0C1793
ΔE00 4.67
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2D21AB #9FAB21
analogous
#215AAB #2D21AB #7221AB
triadic
#2D21AB #AB2D21 #21AB2D
tetradic
#2D21AB #AB215A #9FAB21 #21AB72
square
#2D21AB #AB215A #9FAB21 #21AB72
split-complementary
#2D21AB #AB7221 #5AAB21
monochromatic
#120D44 #1F1778 #2D21AB #4032D7 #7065E1
Accessibility & contrast
On white
10.95
#2D21AB on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.92
#2D21AB on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2D21AB
10.95:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2D21AB | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2D21AB | 1.00 | 10.95 | 1.92 | 10.95 |
| #FFFFFF | 10.95 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.92 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.95 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0043AF
Deuteranopia (green-blind)
#0036A9
Tritanopia (blue-blind)
#004C67
Achromatopsia (no color)
#3C3C3C
Design tokens & code
CSS
--color: #2d21ab; /* rgb */ color: rgb(45, 33, 171); /* oklch */ color: oklch(37.9% 0.204 274.5);
Tailwind
colors: {
custom: {
50: '#7b60c5',
500: '#2d21ab',
950: '#000000',
},
}SCSS
$custom: #2d21ab; $custom-light: #7b60c5; $custom-dark: #000000;
JSON
{
"hex": "#2d21ab",
"rgb": {
"r": 45,
"g": 33,
"b": 171
},
"hsl": {
"h": 245.217,
"s": 67.647,
"l": 40
},
"oklch": {
"l": 0.3794,
"c": 0.20414,
"h": 274.5
},
"luminance": 0.04586
}Semantic roles & 50–950 ramp
primary
#2D21AB
secondary
#BEC761
accent
#EB3DDB
background
#F8F5FC
surface
#EFEAF8
border
#CAC6D1
text
#0B0513
muted
#7C7982