#231639
Closest named color: Midnight Purple (#280137). oklch(23.7% 0.066 298.4), rgb(35, 22, 57).
Aa
White text reads best on this color (16.86:1).
About this color
#231639 is a very dark, muted purple. In OKLCH its lightness is 24%, its chroma 0.066 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.050 away. White text reads best on it, at 16.86:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.24:1 |
| White text | 16.86:1 |
Values
| HEX | #231639 |
| RGB | rgb(35, 22, 57) |
| HSL | hsl(262, 44%, 15%) |
| OKLCH | oklch(23.7% 0.066 298.4) |
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 #231639 | 16.86:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #231639 | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #231639 text on white | 16.86:1 | AAA | Lc 103.7 | Preferred for body text |
| #231639 text on black | 1.24:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EBE7F7
oklch(93.6% 0.022 297.4)
-
Step 200
200
#DCD4F3
oklch(88.6% 0.043 297.3)
-
Step 300
300
#C7B6ED
oklch(80.9% 0.078 298.8)
-
Step 400
400
#AB8FE4
oklch(70.8% 0.124 298.3)
-
Step 500
500
#9770DB
oklch(63.1% 0.159 298.6)
-
Step 600
600
#8256C9
oklch(55.7% 0.172 298.3)
-
Step 700
700
#6E45AE
oklch(49.1% 0.161 298.2)
-
Step 800
800
#5A3A8D
oklch(42.8% 0.133 298.4)
-
Step 900
900
#493270
oklch(37.6% 0.104 298.4)
-
Step 950
950 (this color)
#231639
oklch(23.7% 0.066 298.4)
#231639 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) | #091D3A | 0.044 |
| Deuteranopia (no green cones) | #0C1D38 | 0.042 |
| Tritanopia (no blue cones) | #1E1D24 | 0.052 |
| Achromatopsia (no color) | #1D1D1D | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231639
#231639
oklch(23.7% 0.066 298.4)
- #1C2200
#1C2200
oklch(23.7% 0.056 118.9)
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 #231639, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.050
- Dark Purple #35063E ΔE 0.051
- Oxford Blue #1B263B ΔE 0.051
- Very Dark Purple #2A0134 ΔE 0.051
- Dark #1B2431 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.053
- Eggplant #380835 ΔE 0.054
- Deep Purple #36013F ΔE 0.059
Use #231639 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.