#2B236F
Closest named color: Midnight Blue (#191970). oklch(31.7% 0.126 281.2), rgb(43, 35, 111).
Aa
White text reads best on this color (13.35:1).
About this color
#2B236F 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 0.040 away. White text reads best on it, at 13.35:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.57:1 |
| White text | 13.35:1 |
Values
| HEX | #2B236F |
| RGB | rgb(43, 35, 111) |
| HSL | hsl(246, 52%, 29%) |
| OKLCH | oklch(31.7% 0.126 281.2) |
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 #2B236F | 13.35:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #2B236F | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #2B236F text on white | 13.35:1 | AAA | Lc 99.3 | Preferred for body text |
| #2B236F text on black | 1.57:1 | 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 950.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D2D5FF
oklch(88.4% 0.058 281.9)
-
Step 300
300
#B5B9FF
oklch(80.8% 0.099 281.4)
-
Step 400
400
#9192FF
oklch(70.7% 0.157 281.2)
-
Step 500
500
#7972FF
oklch(63.2% 0.203 281.1)
-
Step 600
600
#654AFF
oklch(55.6% 0.252 281.1)
-
Step 700
700
#5900FE
oklch(49.1% 0.294 281.3)
-
Step 800
800
#4802D3
oklch(42.7% 0.255 281.1)
-
Step 900
900
#3A1CA5
oklch(37.7% 0.198 281.2)
-
Step 950
950 (this color)
#2B236F
oklch(31.7% 0.126 281.2)
#2B236F 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) | #003271 | 0.052 |
| Deuteranopia (no green cones) | #002C6E | 0.048 |
| Tritanopia (no blue cones) | #023645 | 0.107 |
| Achromatopsia (no color) | #2F2F2F | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B236F
#2B236F
oklch(31.7% 0.126 281.2)
- #3A3300
#3A3300
oklch(31.9% 0.066 101)
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 #2B236F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.040
- Marine #042E60 ΔE 0.056
- Marine Blue #01386A ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.070
- Royal #0C1793 ΔE 0.078
- Indigo #4B0082 ΔE 0.078
- Royal Purple #4B006E ΔE 0.079
- Dark Indigo #1F0954 ΔE 0.080
Use #2B236F 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.