#2D2970
Closest named color: Midnight Blue (#191970). oklch(33.1% 0.119 280.2), rgb(45, 41, 112).
Aa
White text reads best on this color (12.62:1).
About this color
#2D2970 is a dark, moderately saturated purple. In OKLCH its lightness is 33%, its chroma 0.119 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.053 away. White text reads best on it, at 12.62:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.66:1 |
| White text | 12.62:1 |
Values
| HEX | #2D2970 |
| RGB | rgb(45, 41, 112) |
| HSL | hsl(243, 46%, 30%) |
| OKLCH | oklch(33.1% 0.119 280.2) |
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 #2D2970 | 12.62:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #2D2970 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #2D2970 text on white | 12.62:1 | AAA | Lc 98.3 | Preferred for body text |
| #2D2970 text on black | 1.66:1 | 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
#D2D6FA
oklch(88.4% 0.05 280.3)
-
Step 300
300
#B5BBFA
oklch(81% 0.089 280)
-
Step 400
400
#9095F7
oklch(70.7% 0.142 279.9)
-
Step 500
500
#7877F3
oklch(63.2% 0.181 280.2)
-
Step 600
600
#635BE2
oklch(55.5% 0.198 280.4)
-
Step 700
700
#524AC4
oklch(49% 0.184 280.1)
-
Step 800
800
#433E9F
oklch(42.8% 0.152 280.1)
-
Step 900
900 (this color)
#2D2970
oklch(33.1% 0.119 280.2)
-
Step 950
950
#20204A
oklch(26.9% 0.076 280)
#2D2970 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 | 0.050 |
| Deuteranopia (no green cones) | #00306F | 0.047 |
| Tritanopia (no blue cones) | #083A48 | 0.102 |
| Achromatopsia (no color) | #333333 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D2970
#2D2970
oklch(33.1% 0.119 280.2)
- #3E3600
#3E3600
oklch(33.1% 0.069 100.1)
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 #2D2970, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.053
- Marine #042E60 ΔE 0.055
- Marine Blue #01386A ΔE 0.056
- Prussian Blue #1D3557 ΔE 0.062
- Twilight Blue #0A437A ΔE 0.074
- Indigo #4B0082 ΔE 0.082
- Royal #0C1793 ΔE 0.082
- Royal Purple #4B006E ΔE 0.083
Use #2D2970 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.