#23101E
Closest named color: Rich Black (#0D1B2A). oklch(20.7% 0.04 337.5), rgb(35, 16, 30).
Aa
White text reads best on this color (18.03:1).
About this color
#23101E is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.040 and its hue 337°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.053 away. White text reads best on it, at 18.03:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.03:1 |
Values
| HEX | #23101E |
| RGB | rgb(35, 16, 30) |
| HSL | hsl(316, 37%, 10%) |
| OKLCH | oklch(20.7% 0.04 337.5) |
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 #23101E | 18.03:1 | AAA | Lc -106.9 | Preferred for body text |
| Black text on #23101E | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #23101E text on white | 18.03:1 | AAA | Lc 104.7 | Preferred for body text |
| #23101E text on black | 1.16:1 | 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
#F8F4F7
oklch(97.1% 0.006 334)
-
Step 100
100
#F0E7ED
oklch(93.7% 0.013 337.5)
-
Step 200
200
#E5D3DF
oklch(88.5% 0.025 337.8)
-
Step 300
300
#D6B5CC
oklch(80.9% 0.049 337.1)
-
Step 400
400
#C08FB1
oklch(70.7% 0.075 338)
-
Step 500
500
#AF729E
oklch(63% 0.097 337.6)
-
Step 600
600
#9A5A89
oklch(55.6% 0.104 337.5)
-
Step 700
700
#834A74
oklch(49.1% 0.096 337.5)
-
Step 800
800
#6B3D5F
oklch(42.8% 0.08 337.3)
-
Step 900
900
#57344D
oklch(37.7% 0.063 338.1)
-
Step 950
950 (this color)
#23101E
oklch(20.7% 0.04 337.5)
#23101E 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) | #10151F | 0.041 |
| Deuteranopia (no green cones) | #15171D | 0.037 |
| Tritanopia (no blue cones) | #251115 | 0.020 |
| Achromatopsia (no color) | #161616 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23101E
#23101E
oklch(20.7% 0.04 337.5)
- #051D10
#051D10
oklch(20.7% 0.04 157.1)
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 #23101E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.053
- Very Dark Purple #2A0134 ΔE 0.062
- Midnight Purple #280137 ΔE 0.066
- Dark #1B2431 ΔE 0.068
- Eggplant #380835 ΔE 0.068
- Jet #212529 ΔE 0.069
- Dark Maroon #3C0008 ΔE 0.070
- Rich Navy #001219 ΔE 0.071
Use #23101E 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.