#3F0102
Closest named color: Deep Brown (#410200). oklch(23.3% 0.093 27.7), rgb(63, 1, 2).
Aa
White text reads best on this color (17.26:1).
About this color
#3F0102 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.093 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.007 away. White text reads best on it, at 17.26:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.21:1 |
| White text | 17.26:1 |
Values
| HEX | #3F0102 |
| RGB | rgb(63, 1, 2) |
| HSL | hsl(359, 97%, 13%) |
| OKLCH | oklch(23.3% 0.093 27.7) |
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 #3F0102 | 17.26:1 | AAA | Lc -105.6 | Preferred for body text |
| Black text on #3F0102 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #3F0102 text on white | 17.26:1 | AAA | Lc 103.1 | Preferred for body text |
| #3F0102 text on black | 1.21:1 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DE
oklch(93.5% 0.033 27.1)
-
Step 200
200
#FFCBC3
oklch(88.6% 0.06 28.4)
-
Step 300
300
#FFA59A
oklch(80.9% 0.109 27.3)
-
Step 400
400
#FB6D60
oklch(70.6% 0.176 27.7)
-
Step 500
500
#F43631
oklch(63.2% 0.225 27.6)
-
Step 600
600
#D90012
oklch(55.7% 0.227 27.7)
-
Step 700
700
#B7000D
oklch(49% 0.2 27.7)
-
Step 800
800
#980009
oklch(42.7% 0.174 27.7)
-
Step 900
900
#7E0A0B
oklch(37.8% 0.147 27.9)
-
Step 950
950 (this color)
#3F0102
oklch(23.3% 0.093 27.7)
#3F0102 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) | #161201 | 0.102 |
| Deuteranopia (no green cones) | #252000 | 0.093 |
| Tritanopia (no blue cones) | #470002 | 0.020 |
| Achromatopsia (no color) | #1B1B1B | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F0102
#3F0102
oklch(23.3% 0.093 27.7)
- #002327
#002327
oklch(23.4% 0.04 205.9)
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 #3F0102, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.007
- Dark Maroon #3C0008 ΔE 0.014
- Mahogany #4A0100 ΔE 0.028
- Chocolate Brown #411900 ΔE 0.053
- Dark Brown #341C02 ΔE 0.063
- Dark Plum #3F012C ΔE 0.074
- Aubergine #3D0734 ΔE 0.086
- Eggplant #380835 ΔE 0.091
Use #3F0102 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.