#3F1318
Closest named color: Deep Brown (#410200). oklch(26% 0.069 16.5), rgb(63, 19, 24).
Aa
White text reads best on this color (15.93:1).
About this color
#3F1318 is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.069 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.039 away. White text reads best on it, at 15.93:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.31:1 |
| White text | 15.93:1 |
Values
| HEX | #3F1318 |
| RGB | rgb(63, 19, 24) |
| HSL | hsl(353, 54%, 16%) |
| OKLCH | oklch(26% 0.069 16.5) |
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 #3F1318 | 15.93:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #3F1318 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #3F1318 text on white | 15.93:1 | AAA | Lc 102.5 | Preferred for body text |
| #3F1318 text on black | 1.31:1 | 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
#FDF3F3
oklch(97.2% 0.011 17.3)
-
Step 100
100
#F9E4E4
oklch(93.6% 0.023 17.6)
-
Step 200
200
#F6CECF
oklch(88.6% 0.045 16.3)
-
Step 300
300
#F1ACAE
oklch(81% 0.081 17.1)
-
Step 400
400
#E67C84
oklch(70.6% 0.131 16.2)
-
Step 500
500
#DB5665
oklch(63% 0.167 16.5)
-
Step 600
600
#C6354D
oklch(55.5% 0.181 16.3)
-
Step 700
700
#AB263E
oklch(49.1% 0.168 16.4)
-
Step 800
800
#8B2233
oklch(42.7% 0.14 16.5)
-
Step 900
900
#70232D
oklch(37.8% 0.108 16.4)
-
Step 950
950 (this color)
#3F1318
oklch(26% 0.069 16.5)
#3F1318 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) | #1D1C18 | 0.076 |
| Deuteranopia (no green cones) | #292517 | 0.068 |
| Tritanopia (no blue cones) | #450C15 | 0.017 |
| Achromatopsia (no color) | #222222 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F1318
#3F1318
oklch(26% 0.069 16.5)
- #002A2B
#002A2B
oklch(25.9% 0.044 197.2)
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 #3F1318, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.039
- Mahogany #4A0100 ΔE 0.041
- Chocolate Brown #411900 ΔE 0.041
- Dark Maroon #3C0008 ΔE 0.041
- Dark Brown #341C02 ΔE 0.052
- Dark Plum #3F012C ΔE 0.059
- Aubergine #3D0734 ΔE 0.065
- Eggplant #380835 ΔE 0.070
Use #3F1318 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.