#3A1023
Closest named color: Dark Plum (#3F012C). oklch(25% 0.07 355.3), rgb(58, 16, 35).
Aa
White text reads best on this color (16.42:1).
About this color
#3A1023 is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.070 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.037 away. White text reads best on it, at 16.42:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.27:1 |
| White text | 16.42:1 |
Values
| HEX | #3A1023 |
| RGB | rgb(58, 16, 35) |
| HSL | hsl(333, 57%, 15%) |
| OKLCH | oklch(25% 0.07 355.3) |
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 #3A1023 | 16.42:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #3A1023 | 1.27:1 | Fails | Lc 0.0 | Not readable |
| #3A1023 text on white | 16.42:1 | AAA | Lc 103.0 | Preferred for body text |
| #3A1023 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F8E4EA
oklch(93.7% 0.023 357.4)
-
Step 200
200
#F3CDDA
oklch(88.4% 0.046 355.5)
-
Step 300
300
#EDABC3
oklch(81% 0.083 355.5)
-
Step 400
400
#E07BA4
oklch(70.6% 0.133 355.3)
-
Step 500
500
#D5558E
oklch(63.1% 0.171 355.4)
-
Step 600
600
#C03478
oklch(55.6% 0.185 355.4)
-
Step 700
700
#A52565
oklch(49.1% 0.172 355.3)
-
Step 800
800
#862152
oklch(42.6% 0.143 355.5)
-
Step 900
900
#6C2244
oklch(37.7% 0.111 355.4)
-
Step 950
950 (this color)
#3A1023
oklch(25% 0.07 355.3)
#3A1023 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) | #171A24 | 0.077 |
| Deuteranopia (no green cones) | #222222 | 0.070 |
| Tritanopia (no blue cones) | #3F0D18 | 0.022 |
| Achromatopsia (no color) | #1F1F1F | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A1023
#3A1023
oklch(25% 0.07 355.3)
- #002920
#002920
oklch(25.1% 0.048 174.1)
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 #3A1023, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.037
- Aubergine #3D0734 ΔE 0.040
- Eggplant #380835 ΔE 0.043
- Dark Maroon #3C0008 ΔE 0.047
- Deep Brown #410200 ΔE 0.056
- Mahogany #4A0100 ΔE 0.062
- Dark Purple #35063E ΔE 0.062
- Eggplant Purple #430541 ΔE 0.064
Use #3A1023 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.