#231843
Closest named color: Dark Indigo (#1F0954). oklch(24.9% 0.078 291.5), rgb(35, 24, 67).
Aa
White text reads best on this color (16.36:1).
About this color
#231843 is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.078 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.046 away. White text reads best on it, at 16.36:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.28:1 |
| White text | 16.36:1 |
Values
| HEX | #231843 |
| RGB | rgb(35, 24, 67) |
| HSL | hsl(255, 47%, 18%) |
| OKLCH | oklch(24.9% 0.078 291.5) |
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 #231843 | 16.36:1 | AAA | Lc -105.7 | Preferred for body text |
| Black text on #231843 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #231843 text on white | 16.36:1 | AAA | Lc 103.1 | Preferred for body text |
| #231843 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FB
oklch(93.6% 0.027 292.8)
-
Step 200
200
#D9D4F9
oklch(88.6% 0.051 291.5)
-
Step 300
300
#C1B6F8
oklch(80.9% 0.093 291.8)
-
Step 400
400
#A38EF4
oklch(70.8% 0.147 291.7)
-
Step 500
500
#8E6DF0
oklch(63% 0.189 291.7)
-
Step 600
600
#7A51DF
oklch(55.7% 0.205 291.6)
-
Step 700
700
#6740C1
oklch(49.1% 0.191 291.7)
-
Step 800
800
#54369C
oklch(42.7% 0.158 291.9)
-
Step 900
900
#44317C
oklch(37.7% 0.122 291.1)
-
Step 950
950 (this color)
#231843
oklch(24.9% 0.078 291.5)
#231843 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) | #022044 | 0.049 |
| Deuteranopia (no green cones) | #041F42 | 0.047 |
| Tritanopia (no blue cones) | #1A212A | 0.063 |
| Achromatopsia (no color) | #202020 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231843
#231843
oklch(24.9% 0.078 291.5)
- #232400
#232400
oklch(25.1% 0.055 111.3)
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 #231843, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.046
- Oxford Blue #1B263B ΔE 0.050
- Dark Purple #35063E ΔE 0.053
- Dark #1B2431 ΔE 0.058
- Midnight Purple #280137 ΔE 0.058
- Deep Purple #36013F ΔE 0.060
- Eggplant #380835 ΔE 0.060
- Very Dark Purple #2A0134 ΔE 0.061
Use #231843 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.