#3A1128
Closest named color: Dark Plum (#3F012C). oklch(25.3% 0.072 348.7), rgb(58, 17, 40).
Aa
White text reads best on this color (16.26:1).
About this color
#3A1128 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.072 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.033 away. White text reads best on it, at 16.26:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.29:1 |
| White text | 16.26:1 |
Values
| HEX | #3A1128 |
| RGB | rgb(58, 17, 40) |
| HSL | hsl(326, 55%, 15%) |
| OKLCH | oklch(25.3% 0.072 348.7) |
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 #3A1128 | 16.26:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #3A1128 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #3A1128 text on white | 16.26:1 | AAA | Lc 102.9 | Preferred for body text |
| #3A1128 text on black | 1.29:1 | 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
#FCF2F7
oklch(97% 0.013 345.5)
-
Step 100
100
#F7E4EC
oklch(93.6% 0.023 350.1)
-
Step 200
200
#F2CDDE
oklch(88.5% 0.047 348.7)
-
Step 300
300
#EBABCA
oklch(81% 0.085 348.6)
-
Step 400
400
#DE7BAE
oklch(70.7% 0.136 349)
-
Step 500
500
#D1559A
oklch(63% 0.173 348.7)
-
Step 600
600
#BD3585
oklch(55.7% 0.188 348.8)
-
Step 700
700
#A22571
oklch(49% 0.176 348.4)
-
Step 800
800
#84225C
oklch(42.8% 0.145 348.6)
-
Step 900
900
#6A224B
oklch(37.6% 0.113 348.7)
-
Step 950
950 (this color)
#3A1128
oklch(25.3% 0.072 348.7)
#3A1128 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) | #161C29 | 0.078 |
| Deuteranopia (no green cones) | #212327 | 0.071 |
| Tritanopia (no blue cones) | #3E101A | 0.028 |
| Achromatopsia (no color) | #202020 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A1128
#3A1128
oklch(25.3% 0.072 348.7)
- #002A1E
#002A1E
oklch(25.3% 0.051 168.8)
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 #3A1128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.033
- Aubergine #3D0734 ΔE 0.033
- Eggplant #380835 ΔE 0.036
- Dark Purple #35063E ΔE 0.054
- Dark Maroon #3C0008 ΔE 0.056
- Eggplant Purple #430541 ΔE 0.056
- Deep Purple #36013F ΔE 0.061
- Deep Brown #410200 ΔE 0.065
Use #3A1128 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.