#2C187C
Closest named color: Midnight Blue (#191970). oklch(31.5% 0.156 281.9), rgb(44, 24, 124).
Aa
White text reads best on this color (13.73:1).
About this color
#2C187C is a dark, vivid purple. In OKLCH its lightness is 32%, its chroma 0.156 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Blue (#191970), ΔE 0.038 away. White text reads best on it, at 13.73:1.
| Hue family | Purples |
| Lightness | dark (32%) |
| Chroma | vivid (0.156) |
| Temperature | cool |
| Nearest name | Midnight Blue (#191970) |
| Black text | 1.52:1 |
| White text | 13.73:1 |
Values
| HEX | #2C187C |
| RGB | rgb(44, 24, 124) |
| HSL | hsl(252, 68%, 29%) |
| OKLCH | oklch(31.5% 0.156 281.9) |
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 #2C187C | 13.73:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #2C187C | 1.52:1 | Fails | Lc 0.0 | Not readable |
| #2C187C text on white | 13.73:1 | AAA | Lc 99.5 | Preferred for body text |
| #2C187C text on black | 1.52:1 | 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
#F4F5FF
oklch(97.2% 0.013 281.6)
-
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
#B6B9FF
oklch(80.9% 0.099 282.1)
-
Step 400
400
#9292FF
oklch(70.8% 0.157 281.6)
-
Step 500
500
#7B71FF
oklch(63.1% 0.204 282)
-
Step 600
600
#6749FF
oklch(55.6% 0.253 281.9)
-
Step 700
700
#5A00FD
oklch(49.1% 0.293 281.8)
-
Step 800
800
#4A00D2
oklch(42.7% 0.255 282)
-
Step 900
900
#3D00B2
oklch(37.7% 0.225 281.8)
-
Step 950
950 (this color)
#2C187C
oklch(31.5% 0.156 281.9)
#2C187C 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) | #00307F | 0.062 |
| Deuteranopia (no green cones) | #002A7A | 0.055 |
| Tritanopia (no blue cones) | #00364A | 0.127 |
| Achromatopsia (no color) | #2D2D2D | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C187C
#2C187C
oklch(31.5% 0.156 281.9)
- #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 and gradients that use #2C187C
These curated palettes and gradients contain exactly #2C187C. Open one to see the full color scheme around it.
Gradients
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Blue #191970 ΔE 0.038
- Royal #0C1793 ΔE 0.060
- Indigo #4B0082 ΔE 0.067
- Dark Blue #00008B ΔE 0.075
- Navy #000080 ΔE 0.076
- Royal Purple #4B006E ΔE 0.076
- Deep Blue #040273 ΔE 0.077
- Dark Royal Blue #02066F ΔE 0.079
Use #2C187C 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.