#3E1003
Closest named color: Deep Brown (#410200). oklch(24.9% 0.076 37.4), rgb(62, 16, 3).
Aa
White text reads best on this color (16.40:1).
About this color
#3E1003 is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.076 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.024 away. White text reads best on it, at 16.40:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.28:1 |
| White text | 16.40:1 |
Values
| HEX | #3E1003 |
| RGB | rgb(62, 16, 3) |
| HSL | hsl(13, 91%, 13%) |
| OKLCH | oklch(24.9% 0.076 37.4) |
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 #3E1003 | 16.40:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #3E1003 | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #3E1003 text on white | 16.40:1 | AAA | Lc 102.8 | Preferred for body text |
| #3E1003 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
#FDF3F0
oklch(97.1% 0.012 37.4)
-
Step 100
100
#FAE4DE
oklch(93.5% 0.026 35.7)
-
Step 200
200
#F8CFC2
oklch(88.6% 0.05 38.3)
-
Step 300
300
#F4AD97
oklch(81% 0.09 37.9)
-
Step 400
400
#EB7D5C
oklch(70.7% 0.144 37.5)
-
Step 500
500
#E15629
oklch(63.1% 0.183 37.5)
-
Step 600
600
#C73C00
oklch(55.6% 0.184 37.5)
-
Step 700
700
#A93100
oklch(49.2% 0.163 37.3)
-
Step 800
800
#8B2700
oklch(42.7% 0.141 37.5)
-
Step 900
900
#732205
oklch(37.6% 0.119 37.5)
-
Step 950
950 (this color)
#3E1003
oklch(24.9% 0.076 37.4)
#3E1003 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) | #1D1902 | 0.077 |
| Deuteranopia (no green cones) | #292302 | 0.068 |
| Tritanopia (no blue cones) | #45040D | 0.031 |
| Achromatopsia (no color) | #1F1F1F | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E1003
#3E1003
oklch(24.9% 0.076 37.4)
- #00262F
#00262F
oklch(24.8% 0.044 217.5)
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 #3E1003, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.024
- Chocolate Brown #411900 ΔE 0.026
- Mahogany #4A0100 ΔE 0.032
- Dark Brown #341C02 ΔE 0.037
- Dark Maroon #3C0008 ΔE 0.037
- Dark Plum #3F012C ΔE 0.083
- Jet #212529 ΔE 0.085
- Aubergine #3D0734 ΔE 0.091
Use #3E1003 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.