#3F1523
Closest named color: Dark Plum (#3F012C). oklch(26.7% 0.068 2), rgb(63, 21, 35).
Aa
White text reads best on this color (15.63:1).
About this color
#3F1523 is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.068 and its hue 2°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.048 away. White text reads best on it, at 15.63:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.068) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.34:1 |
| White text | 15.63:1 |
Values
| HEX | #3F1523 |
| RGB | rgb(63, 21, 35) |
| HSL | hsl(340, 50%, 16%) |
| OKLCH | oklch(26.7% 0.068 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 #3F1523 | 15.63:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #3F1523 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #3F1523 text on white | 15.63:1 | AAA | Lc 102.2 | Preferred for body text |
| #3F1523 text on black | 1.34:1 | 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
#FCF3F5
oklch(97.2% 0.01 2)
-
Step 100
100
#F8E4E8
oklch(93.6% 0.022 3.8)
-
Step 200
200
#F4CED7
oklch(88.6% 0.044 2.1)
-
Step 300
300
#EDABBC
oklch(80.8% 0.08 2.1)
-
Step 400
400
#E17D9A
oklch(70.7% 0.127 2.3)
-
Step 500
500
#D65782
oklch(63.2% 0.164 1.9)
-
Step 600
600
#C1376B
oklch(55.6% 0.178 2.1)
-
Step 700
700
#A62859
oklch(49.1% 0.165 2.2)
-
Step 800
800
#872449
oklch(42.8% 0.137 2.2)
-
Step 900
900
#6D233D
oklch(37.7% 0.108 2.1)
-
Step 950
950 (this color)
#3F1523
oklch(26.7% 0.068 2)
#3F1523 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) | #1D1E23 | 0.074 |
| Deuteranopia (no green cones) | #282622 | 0.067 |
| Tritanopia (no blue cones) | #45111A | 0.020 |
| Achromatopsia (no color) | #232323 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1523
#3F1523
oklch(26.7% 0.068 2)
- #002D27
#002D27
oklch(26.6% 0.048 181.3)
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 #3F1523, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.048
- Aubergine #3D0734 ΔE 0.050
- Dark Maroon #3C0008 ΔE 0.054
- Eggplant #380835 ΔE 0.055
- Mahogany #4A0100 ΔE 0.055
- Deep Brown #410200 ΔE 0.055
- Chocolate Brown #411900 ΔE 0.056
- Dark Brown #341C02 ΔE 0.065
Use #3F1523 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.