#23155E
Closest named color: Dark Indigo (#1F0954). oklch(27% 0.122 283.4), rgb(35, 21, 94).
Aa
White text reads best on this color (15.66:1).
About this color
#23155E is a dark, moderately saturated purple. In OKLCH its lightness is 27%, its chroma 0.122 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.032 away. White text reads best on it, at 15.66:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.34:1 |
| White text | 15.66:1 |
Values
| HEX | #23155E |
| RGB | rgb(35, 21, 94) |
| HSL | hsl(252, 63%, 23%) |
| OKLCH | oklch(27% 0.122 283.4) |
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 #23155E | 15.66:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #23155E | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #23155E text on white | 15.66:1 | AAA | Lc 102.1 | Preferred for body text |
| #23155E text on black | 1.34:1 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D3D5FF
oklch(88.5% 0.058 283)
-
Step 300
300
#B8B8FF
oklch(80.8% 0.1 283.9)
-
Step 400
400
#9590FF
oklch(70.6% 0.159 283.6)
-
Step 500
500
#7E6FFF
oklch(63% 0.206 283.5)
-
Step 600
600
#6B46FF
oklch(55.5% 0.255 283.5)
-
Step 700
700
#5E00FA
oklch(49.1% 0.29 283.4)
-
Step 800
800
#4C0BCD
oklch(42.7% 0.246 283.3)
-
Step 900
900
#3D1DA1
oklch(37.6% 0.193 283.2)
-
Step 950
950 (this color)
#23155E
oklch(27% 0.122 283.4)
#23155E 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) | #002560 | 0.051 |
| Deuteranopia (no green cones) | #00215D | 0.047 |
| Tritanopia (no blue cones) | #022938 | 0.101 |
| Achromatopsia (no color) | #232323 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23155E
#23155E
oklch(27% 0.122 283.4)
- #2B2700
#2B2700
oklch(26.9% 0.057 103.7)
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 #23155E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.032
- Midnight Blue #191970 ΔE 0.038
- Darkblue #030764 ΔE 0.060
- Dark Royal Blue #02066F ΔE 0.065
- Marine #042E60 ΔE 0.067
- Deep Blue #040273 ΔE 0.069
- Navy Blue #001146 ΔE 0.074
- Dark Purple #35063E ΔE 0.078
Use #23155E 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.