#3A0123
Closest named color: Dark Plum (#3F012C). oklch(23.1% 0.094 350.2), rgb(58, 1, 35).
Aa
White text reads best on this color (17.37:1).
About this color
#3A0123 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.094 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.020 away. White text reads best on it, at 17.37:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.20:1 |
| White text | 17.37:1 |
Values
| HEX | #3A0123 |
| RGB | rgb(58, 1, 35) |
| HSL | hsl(324, 97%, 12%) |
| OKLCH | oklch(23.1% 0.094 350.2) |
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 #3A0123 | 17.37:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #3A0123 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #3A0123 text on white | 17.37:1 | AAA | Lc 103.3 | Preferred for body text |
| #3A0123 text on black | 1.20:1 | 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
#FEF2F7
oklch(97.2% 0.014 350.1)
-
Step 100
100
#FCE2ED
oklch(93.7% 0.032 350.2)
-
Step 200
200
#FAC9DF
oklch(88.5% 0.062 349.7)
-
Step 300
300
#F7A3CA
oklch(80.9% 0.11 350.5)
-
Step 400
400
#EF6BB0
oklch(70.7% 0.178 350.1)
-
Step 500
500
#E5359C
oklch(63% 0.228 350.1)
-
Step 600
600
#CC0085
oklch(55.7% 0.232 350.5)
-
Step 700
700
#AC0070
oklch(49.1% 0.205 350.2)
-
Step 800
800
#8E005C
oklch(42.6% 0.178 350.1)
-
Step 900
900
#750A4C
oklch(37.6% 0.149 350.1)
-
Step 950
950 (this color)
#3A0123
oklch(23.1% 0.094 350.2)
#3A0123 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) | #0B1324 | 0.107 |
| Deuteranopia (no green cones) | #1D1E22 | 0.093 |
| Tritanopia (no blue cones) | #3F0011 | 0.037 |
| Achromatopsia (no color) | #1A1A1A | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A0123
#3A0123
oklch(23.1% 0.094 350.2)
- #00241A
#00241A
oklch(23.2% 0.046 170.2)
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 #3A0123, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.020
- Aubergine #3D0734 ΔE 0.033
- Eggplant #380835 ΔE 0.035
- Dark Maroon #3C0008 ΔE 0.049
- Dark Purple #35063E ΔE 0.054
- Deep Purple #36013F ΔE 0.056
- Very Dark Purple #2A0134 ΔE 0.056
- Eggplant Purple #430541 ΔE 0.059
Use #3A0123 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.