#3E100D
Closest named color: Deep Brown (#410200). oklch(25.1% 0.073 27.3), rgb(62, 16, 13).
Aa
White text reads best on this color (16.34:1).
About this color
#3E100D is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.073 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.026 away. White text reads best on it, at 16.34:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.28:1 |
| White text | 16.34:1 |
Values
| HEX | #3E100D |
| RGB | rgb(62, 16, 13) |
| HSL | hsl(4, 65%, 15%) |
| OKLCH | oklch(25.1% 0.073 27.3) |
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 #3E100D | 16.34:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #3E100D | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #3E100D text on white | 16.34:1 | AAA | Lc 102.8 | Preferred for body text |
| #3E100D text on black | 1.28:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F7CEC8
oklch(88.5% 0.047 27.8)
-
Step 300
300
#F3ACA2
oklch(80.9% 0.085 28)
-
Step 400
400
#EA7C70
oklch(70.7% 0.138 27.5)
-
Step 500
500
#E0544B
oklch(63.1% 0.177 27)
-
Step 600
600
#CB312D
oklch(55.5% 0.191 27.2)
-
Step 700
700
#AF2120
oklch(49% 0.178 27.1)
-
Step 800
800
#8E1F1C
oklch(42.6% 0.147 27.3)
-
Step 900
900
#72211D
oklch(37.6% 0.115 27)
-
Step 950
950 (this color)
#3E100D
oklch(25.1% 0.073 27.3)
#3E100D 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) | #1D190C | 0.076 |
| Deuteranopia (no green cones) | #28230C | 0.070 |
| Tritanopia (no blue cones) | #450510 | 0.024 |
| Achromatopsia (no color) | #202020 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E100D
#3E100D
oklch(25.1% 0.073 27.3)
- #00272C
#00272C
oklch(24.9% 0.043 207.6)
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 #3E100D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.026
- Mahogany #4A0100 ΔE 0.033
- Dark Maroon #3C0008 ΔE 0.033
- Chocolate Brown #411900 ΔE 0.033
- Dark Brown #341C02 ΔE 0.044
- Dark Plum #3F012C ΔE 0.070
- Aubergine #3D0734 ΔE 0.078
- Jet #212529 ΔE 0.081
Use #3E100D 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.