#231023
Closest named color: Rich Black (#0D1B2A). oklch(21% 0.046 327.1), rgb(35, 16, 35).
Aa
White text reads best on this color (17.95:1).
About this color
#231023 is a very dark, muted purple. In OKLCH its lightness is 21%, its chroma 0.046 and its hue 327°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.051 away. White text reads best on it, at 17.95:1.
| Hue family | Purples |
| Lightness | very dark (21%) |
| Chroma | muted (0.046) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 17.95:1 |
Values
| HEX | #231023 |
| RGB | rgb(35, 16, 35) |
| HSL | hsl(300, 37%, 10%) |
| OKLCH | oklch(21% 0.046 327.1) |
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 #231023 | 17.95:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #231023 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #231023 text on white | 17.95:1 | AAA | Lc 104.6 | Preferred for body text |
| #231023 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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#F0E6EF
oklch(93.5% 0.016 328.8)
-
Step 200
200
#E4D3E4
oklch(88.6% 0.029 325.8)
-
Step 300
300
#D4B5D3
oklch(80.9% 0.054 327.1)
-
Step 400
400
#BE8EBD
oklch(70.8% 0.086 327.1)
-
Step 500
500
#AD71AC
oklch(63.2% 0.11 327.3)
-
Step 600
600
#985898
oklch(55.7% 0.121 327)
-
Step 700
700
#814881
oklch(49.1% 0.11 327.1)
-
Step 800
800
#693B69
oklch(42.6% 0.093 327)
-
Step 900
900
#563355
oklch(37.7% 0.072 327.9)
-
Step 950
950 (this color)
#231023
oklch(21% 0.046 327.1)
#231023 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) | #0E1524 | 0.044 |
| Deuteranopia (no green cones) | #141822 | 0.039 |
| Tritanopia (no blue cones) | #241217 | 0.027 |
| Achromatopsia (no color) | #171717 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231023
#231023
oklch(21% 0.046 327.1)
- #081E0B
#081E0B
oklch(21.1% 0.046 146.6)
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 #231023, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.051
- Very Dark Purple #2A0134 ΔE 0.054
- Midnight Purple #280137 ΔE 0.057
- Eggplant #380835 ΔE 0.062
- Dark #1B2431 ΔE 0.066
- Jet #212529 ΔE 0.069
- Dark Purple #35063E ΔE 0.069
- Aubergine #3D0734 ΔE 0.070
Use #231023 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.