#231D2F
Closest named color: Dark (#1B2431). oklch(24.6% 0.035 299.2), rgb(35, 29, 47).
Aa
White text reads best on this color (16.30:1).
About this color
#231D2F is a very dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.035 and its hue 299°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.026 away. White text reads best on it, at 16.30:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.28:1 |
| White text | 16.30:1 |
Values
| HEX | #231D2F |
| RGB | rgb(35, 29, 47) |
| HSL | hsl(260, 24%, 15%) |
| OKLCH | oklch(24.6% 0.035 299.2) |
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 #231D2F | 16.30:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #231D2F | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #231D2F text on white | 16.30:1 | AAA | Lc 103.2 | Preferred for body text |
| #231D2F text on black | 1.28:1 | 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
#F6F5F9
oklch(97.2% 0.005 297.7)
-
Step 100
100
#EBE8F1
oklch(93.6% 0.012 301.3)
-
Step 200
200
#DBD6E6
oklch(88.5% 0.022 300.2)
-
Step 300
300
#C4BBD8
oklch(80.9% 0.041 299.6)
-
Step 400
400
#A698C4
oklch(70.7% 0.065 299.3)
-
Step 500
500
#907EB5
oklch(63% 0.083 299)
-
Step 600
600
#7B67A1
oklch(55.6% 0.091 299.3)
-
Step 700
700
#67558A
oklch(49% 0.085 298.9)
-
Step 800
800
#544670
oklch(42.7% 0.07 298.7)
-
Step 900
900
#463B5B
oklch(37.8% 0.055 299.6)
-
Step 950
950 (this color)
#231D2F
oklch(24.6% 0.035 299.2)
#231D2F 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) | #192030 | 0.019 |
| Deuteranopia (no green cones) | #1A202F | 0.018 |
| Tritanopia (no blue cones) | #212023 | 0.029 |
| Achromatopsia (no color) | #202020 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231D2F
#231D2F
oklch(24.6% 0.035 299.2)
- #1F2310
#1F2310
oklch(24.6% 0.034 118.7)
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 #231D2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.026
- Jet #212529 ΔE 0.033
- Oxford Blue #1B263B ΔE 0.034
- Rich Black #0D1B2A ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.060
- Eggplant #380835 ΔE 0.068
- Gunmetal #293241 ΔE 0.072
- Dark Purple #35063E ΔE 0.074
Use #231D2F 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.