#2C2571
Closest named color: Midnight Blue (#191970). oklch(32.4% 0.126 280.9), rgb(44, 37, 113).
Aa
White text reads best on this color (13.04:1).
About this color
#2C2571 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.126 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.044 away. White text reads best on it, at 13.04:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.61:1 |
| White text | 13.04:1 |
Values
| HEX | #2C2571 |
| RGB | rgb(44, 37, 113) |
| HSL | hsl(246, 51%, 29%) |
| OKLCH | oklch(32.4% 0.126 280.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2C2571 | 13.04:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #2C2571 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #2C2571 text on white | 13.04:1 | AAA | Lc 98.9 | Preferred for body text |
| #2C2571 text on black | 1.61:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D2D6FC
oklch(88.5% 0.052 280.5)
-
Step 300
300
#B5BAFD
oklch(80.9% 0.095 280.7)
-
Step 400
400
#9193FC
oklch(70.7% 0.151 281)
-
Step 500
500
#7974F9
oklch(63.1% 0.193 281)
-
Step 600
600
#6458E8
oklch(55.6% 0.209 280.9)
-
Step 700
700
#5447CA
oklch(49.2% 0.195 281)
-
Step 800
800
#443BA3
oklch(42.6% 0.161 281)
-
Step 900
900 (this color)
#2C2571
oklch(32.4% 0.126 280.9)
-
Step 950
950
#211F4C
oklch(26.9% 0.081 281.5)
#2C2571 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #003473 | 0.053 |
| Deuteranopia (no green cones) | #002E6F | 0.048 |
| Tritanopia (no blue cones) | #023847 | 0.108 |
| Achromatopsia (no color) | #313131 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C2571
#2C2571
oklch(32.4% 0.126 280.9)
- #3C3400
#3C3400
oklch(32.4% 0.067 99.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2C2571, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.044
- Marine #042E60 ΔE 0.057
- Marine Blue #01386A ΔE 0.063
- Prussian Blue #1D3557 ΔE 0.069
- Royal #0C1793 ΔE 0.077
- Indigo #4B0082 ΔE 0.078
- Royal Purple #4B006E ΔE 0.080
- Twilight Blue #0A437A ΔE 0.082
Use #2C2571 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.