#2D276C
Closest named color: Midnight Blue (#191970). oklch(32.4% 0.116 281.7), rgb(45, 39, 108).
Aa
White text reads best on this color (12.97:1).
About this color
#2D276C is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.116 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.050 away. White text reads best on it, at 12.97:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.61:1 |
| White text | 12.97:1 |
Values
| HEX | #2D276C |
| RGB | rgb(45, 39, 108) |
| HSL | hsl(245, 47%, 29%) |
| OKLCH | oklch(32.4% 0.116 281.7) |
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 #2D276C | 12.97:1 | AAA | Lc -102.2 | Preferred for body text |
| Black text on #2D276C | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #2D276C text on white | 12.97:1 | AAA | Lc 98.9 | Preferred for body text |
| #2D276C 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D3D6F9
oklch(88.5% 0.048 281.5)
-
Step 300
300
#B7BAF8
oklch(80.8% 0.087 282.1)
-
Step 400
400
#9394F4
oklch(70.6% 0.139 281.8)
-
Step 500
500
#7B76F0
oklch(63% 0.178 281.9)
-
Step 600
600
#665CDF
oklch(55.7% 0.193 281.6)
-
Step 700
700
#554AC1
oklch(49% 0.179 281.7)
-
Step 800
800
#453E9C
oklch(42.7% 0.148 281.5)
-
Step 900
900 (this color)
#2D276C
oklch(32.4% 0.116 281.7)
-
Step 950
950
#212049
oklch(26.9% 0.074 281.3)
#2D276C 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) | #00346E | 0.052 |
| Deuteranopia (no green cones) | #002F6B | 0.049 |
| Tritanopia (no blue cones) | #0E3845 | 0.100 |
| Achromatopsia (no color) | #313131 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D276C
#2D276C
oklch(32.4% 0.116 281.7)
- #3B3400
#3B3400
oklch(32.2% 0.067 101.1)
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 #2D276C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.050
- Marine #042E60 ΔE 0.053
- Marine Blue #01386A ΔE 0.059
- Prussian Blue #1D3557 ΔE 0.061
- Space Cadet #2B2D42 ΔE 0.080
- Twilight Blue #0A437A ΔE 0.080
- Royal Purple #4B006E ΔE 0.081
- Indigo #4B0082 ΔE 0.082
Use #2D276C 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.