#231741
Closest named color: Dark Indigo (#1F0954). oklch(24.6% 0.076 293.1), rgb(35, 23, 65).
Aa
White text reads best on this color (16.53:1).
About this color
#231741 is a very dark, moderately saturated purple. In OKLCH its lightness is 25%, its chroma 0.076 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Indigo (#1F0954), ΔE 0.047 away. White text reads best on it, at 16.53:1.
| Hue family | Purples |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Dark Indigo (#1F0954) |
| Black text | 1.27:1 |
| White text | 16.53:1 |
Values
| HEX | #231741 |
| RGB | rgb(35, 23, 65) |
| HSL | hsl(257, 48%, 17%) |
| OKLCH | oklch(24.6% 0.076 293.1) |
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 #231741 | 16.53:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #231741 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #231741 text on white | 16.53:1 | AAA | Lc 103.3 | Preferred for body text |
| #231741 text on black | 1.27:1 | 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
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#DAD4F8
oklch(88.6% 0.049 293)
-
Step 300
300
#C2B6F6
oklch(80.9% 0.09 292.9)
-
Step 400
400
#A58DF2
oklch(70.7% 0.145 293.2)
-
Step 500
500
#916DED
oklch(63.1% 0.185 293.3)
-
Step 600
600
#7C51DB
oklch(55.6% 0.201 293.1)
-
Step 700
700
#6940BE
oklch(49% 0.187 293.2)
-
Step 800
800
#55369A
oklch(42.6% 0.155 292.9)
-
Step 900
900
#46307A
oklch(37.6% 0.121 293.4)
-
Step 950
950 (this color)
#231741
oklch(24.6% 0.076 293.1)
#231741 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) | #021F42 | 0.050 |
| Deuteranopia (no green cones) | #051E40 | 0.047 |
| Tritanopia (no blue cones) | #1B2029 | 0.061 |
| Achromatopsia (no color) | #1F1F1F | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231741
#231741
oklch(24.6% 0.076 293.1)
- #212300
#212300
oklch(24.6% 0.055 112.9)
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 #231741, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Indigo #1F0954 ΔE 0.047
- Dark Purple #35063E ΔE 0.051
- Oxford Blue #1B263B ΔE 0.051
- Midnight Purple #280137 ΔE 0.054
- Very Dark Purple #2A0134 ΔE 0.057
- Dark #1B2431 ΔE 0.058
- Eggplant #380835 ΔE 0.058
- Deep Purple #36013F ΔE 0.058
Use #231741 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.