#30287D
Closest named color: Midnight Blue (#191970). oklch(34.4% 0.138 280.5), rgb(48, 40, 125).
Aa
White text reads best on this color (12.17:1).
About this color
#30287D is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.138 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.059 away. White text reads best on it, at 12.17:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.72:1 |
| White text | 12.17:1 |
Values
| HEX | #30287D |
| RGB | rgb(48, 40, 125) |
| HSL | hsl(246, 52%, 32%) |
| OKLCH | oklch(34.4% 0.138 280.5) |
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 #30287D | 12.17:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #30287D | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #30287D text on white | 12.17:1 | AAA | Lc 97.3 | Preferred for body text |
| #30287D text on black | 1.72:1 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E6E8FE
oklch(93.6% 0.03 281.7)
-
Step 200
200
#D1D6FF
oklch(88.5% 0.057 279.7)
-
Step 300
300
#B4BAFF
oklch(80.9% 0.098 280.1)
-
Step 400
400
#9093FF
oklch(70.8% 0.156 280.4)
-
Step 500
500
#7772FF
oklch(63% 0.203 280.4)
-
Step 600
600
#6353F3
oklch(55.6% 0.229 280.4)
-
Step 700
700
#5341D4
oklch(49.1% 0.214 280.6)
-
Step 800
800
#4337AB
oklch(42.6% 0.177 280.4)
-
Step 900
900 (this color)
#30287D
oklch(34.4% 0.138 280.5)
-
Step 950
950
#201E4F
oklch(26.9% 0.087 280.6)
#30287D 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) | #003980 | 0.056 |
| Deuteranopia (no green cones) | #00327B | 0.050 |
| Tritanopia (no blue cones) | #003E4E | 0.118 |
| Achromatopsia (no color) | #363636 | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30287D
#30287D
oklch(34.4% 0.138 280.5)
- #413900
#413900
oklch(34.2% 0.071 100.6)
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 #30287D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.059
- Marine Blue #01386A ΔE 0.068
- Royal #0C1793 ΔE 0.071
- Indigo #4B0082 ΔE 0.071
- Marine #042E60 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.073
- Twilight Blue #0A437A ΔE 0.076
- Prussian Blue #1D3557 ΔE 0.082
Use #30287D 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.