#2A195C
Closest named color: Dark Indigo (#1F0954). oklch(28.1% 0.113 288.6), rgb(42, 25, 92).
Aa
White text reads best on this color (15.08:1).
About this color
#2A195C is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.113 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.044 away. White text reads best on it, at 15.08:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.39:1 |
| White text | 15.08:1 |
Values
| HEX | #2A195C |
| RGB | rgb(42, 25, 92) |
| HSL | hsl(255, 57%, 23%) |
| OKLCH | oklch(28.1% 0.113 288.6) |
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 #2A195C | 15.08:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #2A195C | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #2A195C text on white | 15.08:1 | AAA | Lc 101.6 | Preferred for body text |
| #2A195C text on black | 1.39:1 | 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
#F5F4FF
oklch(97.1% 0.015 290.3)
-
Step 100
100
#E8E7FF
oklch(93.6% 0.032 287.7)
-
Step 200
200
#D7D4FF
oklch(88.6% 0.059 288.3)
-
Step 300
300
#BEB6FF
oklch(80.9% 0.102 288.9)
-
Step 400
400
#9E8CFF
oklch(70.6% 0.164 288.7)
-
Step 500
500
#896AFF
oklch(63.1% 0.212 288.4)
-
Step 600
600
#783DFF
oklch(55.6% 0.263 288.6)
-
Step 700
700
#6909EE
oklch(49.1% 0.276 288.8)
-
Step 800
800
#5516C0
oklch(42.7% 0.228 288.9)
-
Step 900
900
#442097
oklch(37.6% 0.178 288.5)
-
Step 950
950 (this color)
#2A195C
oklch(28.1% 0.113 288.6)
#2A195C 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) | #00285E | 0.059 |
| Deuteranopia (no green cones) | #00255B | 0.057 |
| Tritanopia (no blue cones) | #182A38 | 0.092 |
| Achromatopsia (no color) | #262626 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A195C
#2A195C
oklch(28.1% 0.113 288.6)
- #2C2B00
#2C2B00
oklch(28.1% 0.061 108.4)
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 #2A195C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.044
- Midnight Blue #191970 ΔE 0.047
- Marine #042E60 ΔE 0.066
- Dark Purple #35063E ΔE 0.070
- Deep Purple #36013F ΔE 0.075
- Darkblue #030764 ΔE 0.078
- Oxford Blue #1B263B ΔE 0.078
- Royal Purple #4B006E ΔE 0.079
Use #2A195C 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.