#231533
Closest named color: Rich Black (#0D1B2A). oklch(23.1% 0.058 303.7), rgb(35, 21, 51).
Aa
White text reads best on this color (17.12:1).
About this color
#231533 is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.058 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.048 away. White text reads best on it, at 17.12:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.22:1 |
| White text | 17.12:1 |
Values
| HEX | #231533 |
| RGB | rgb(35, 21, 51) |
| HSL | hsl(268, 42%, 14%) |
| OKLCH | oklch(23.1% 0.058 303.7) |
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 #231533 | 17.12:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #231533 | 1.22:1 | Fails | Lc 0.0 | Not readable |
| #231533 text on white | 17.12:1 | AAA | Lc 103.9 | Preferred for body text |
| #231533 text on black | 1.22:1 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DED3EE
oklch(88.4% 0.038 304)
-
Step 300
300
#CAB6E6
oklch(80.9% 0.07 303.8)
-
Step 400
400
#AF8FD9
oklch(70.7% 0.111 303.6)
-
Step 500
500
#9C72CE
oklch(63.2% 0.14 303.7)
-
Step 600
600
#8758BB
oklch(55.6% 0.153 303.8)
-
Step 700
700
#7247A1
oklch(49% 0.143 303.6)
-
Step 800
800
#5D3B83
oklch(42.7% 0.119 303.6)
-
Step 900
900
#4C3369
oklch(37.6% 0.093 303.6)
-
Step 950
950 (this color)
#231533
oklch(23.1% 0.058 303.7)
#231533 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) | #0C1B34 | 0.042 |
| Deuteranopia (no green cones) | #101C32 | 0.039 |
| Tritanopia (no blue cones) | #201A21 | 0.043 |
| Achromatopsia (no color) | #1C1C1C | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231533
#231533
oklch(23.1% 0.058 303.7)
- #182100
#182100
oklch(23.1% 0.057 123.2)
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 #231533, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.048
- Very Dark Purple #2A0134 ΔE 0.050
- Midnight Purple #280137 ΔE 0.050
- Dark #1B2431 ΔE 0.052
- Eggplant #380835 ΔE 0.053
- Dark Purple #35063E ΔE 0.054
- Oxford Blue #1B263B ΔE 0.054
- Deep Purple #36013F ΔE 0.062
Use #231533 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.