#2B2C56
Closest named color: Prussian Blue (#1D3557). oklch(31.5% 0.074 280.2), rgb(43, 44, 86).
Aa
White text reads best on this color (13.14:1).
About this color
#2B2C56 is a dark, moderately saturated purple. In OKLCH its lightness is 32%, its chroma 0.074 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.031 away. White text reads best on it, at 13.14:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.59:1 |
| White text | 13.14:1 |
Values
| HEX | #2B2C56 |
| RGB | rgb(43, 44, 86) |
| HSL | hsl(239, 33%, 25%) |
| OKLCH | oklch(31.5% 0.074 280.2) |
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 #2B2C56 | 13.14:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #2B2C56 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #2B2C56 text on white | 13.14:1 | AAA | Lc 99.4 | Preferred for body text |
| #2B2C56 text on black | 1.59:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
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
#B5BBF9
oklch(80.9% 0.088 279.9)
-
Step 400
400
#9195F6
oklch(70.8% 0.14 280.4)
-
Step 500
500
#7877F2
oklch(63.1% 0.18 280.3)
-
Step 600
600
#635CE0
oklch(55.5% 0.194 280.4)
-
Step 700
700
#524BC3
oklch(49.1% 0.181 280)
-
Step 800
800
#433E9E
oklch(42.7% 0.151 280.2)
-
Step 900
900
#38367D
oklch(37.6% 0.117 280.4)
-
Step 950
950 (this color)
#2B2C56
oklch(31.5% 0.074 280.2)
#2B2C56 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) | #1B3258 | 0.026 |
| Deuteranopia (no green cones) | #182F55 | 0.027 |
| Tritanopia (no blue cones) | #1C353C | 0.066 |
| Achromatopsia (no color) | #303030 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2C56
#2B2C56
oklch(31.5% 0.074 280.2)
- #393200
#393200
oklch(31.5% 0.066 100.8)
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 #2B2C56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.031
- Space Cadet #2B2D42 ΔE 0.037
- Marine #042E60 ΔE 0.045
- Gunmetal #293241 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.055
- Marine Blue #01386A ΔE 0.056
- Oxford Blue #1B263B ΔE 0.058
- Midnight Green #073B4C ΔE 0.064
Use #2B2C56 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.