#2F2970
Closest named color: Midnight Blue (#191970). oklch(33.3% 0.118 281.6), rgb(47, 41, 112).
Aa
White text reads best on this color (12.55:1).
About this color
#2F2970 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.118 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.055 away. White text reads best on it, at 12.55:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.67:1 |
| White text | 12.55:1 |
Values
| HEX | #2F2970 |
| RGB | rgb(47, 41, 112) |
| HSL | hsl(245, 46%, 30%) |
| OKLCH | oklch(33.3% 0.118 281.6) |
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 #2F2970 | 12.55:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #2F2970 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #2F2970 text on white | 12.55:1 | AAA | Lc 98.2 | Preferred for body text |
| #2F2970 text on black | 1.67:1 | 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
#E6E8FB
oklch(93.5% 0.026 281.1)
-
Step 200
200
#D3D6FA
oklch(88.5% 0.05 281.6)
-
Step 300
300
#B7BAF9
oklch(80.9% 0.089 282.1)
-
Step 400
400
#9394F6
oklch(70.7% 0.142 281.7)
-
Step 500
500
#7B76F2
oklch(63.1% 0.18 281.7)
-
Step 600
600
#665BE1
oklch(55.7% 0.197 281.6)
-
Step 700
700
#5549C3
oklch(49% 0.183 281.7)
-
Step 800
800
#453D9E
oklch(42.7% 0.152 281.5)
-
Step 900
900 (this color)
#2F2970
oklch(33.3% 0.118 281.6)
-
Step 950
950
#21204A
oklch(27% 0.076 281.1)
#2F2970 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) | #003672 | 0.053 |
| Deuteranopia (no green cones) | #00316F | 0.050 |
| Tritanopia (no blue cones) | #103A48 | 0.101 |
| Achromatopsia (no color) | #333333 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F2970
#2F2970
oklch(33.3% 0.118 281.6)
- #3E3700
#3E3700
oklch(33.4% 0.07 101.5)
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 #2F2970, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.055
- Marine #042E60 ΔE 0.058
- Marine Blue #01386A ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.063
- Twilight Blue #0A437A ΔE 0.075
- Indigo #4B0082 ΔE 0.080
- Royal Purple #4B006E ΔE 0.081
- Dark Slate Blue #483D8B ΔE 0.082
Use #2F2970 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.