#3D0400
Closest named color: Deep Brown (#410200). oklch(23.1% 0.088 31.9), rgb(61, 4, 0).
Aa
White text reads best on this color (17.27:1).
About this color
#3D0400 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.088 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.010 away. White text reads best on it, at 17.27:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.21:1 |
| White text | 17.27:1 |
Values
| HEX | #3D0400 |
| RGB | rgb(61, 4, 0) |
| HSL | hsl(4, 100%, 12%) |
| OKLCH | oklch(23.1% 0.088 31.9) |
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 #3D0400 | 17.27:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #3D0400 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #3D0400 text on white | 17.27:1 | AAA | Lc 103.2 | Preferred for body text |
| #3D0400 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
#FDE3DE
oklch(93.6% 0.03 30.6)
-
Step 200
200
#FDCCC2
oklch(88.5% 0.058 31.6)
-
Step 300
300
#FCA796
oklch(80.8% 0.104 31.8)
-
Step 400
400
#F6735B
oklch(70.7% 0.166 32.1)
-
Step 500
500
#EE4226
oklch(63% 0.213 31.9)
-
Step 600
600
#D32300
oklch(55.7% 0.212 31.9)
-
Step 700
700
#B21C00
oklch(49.1% 0.187 31.9)
-
Step 800
800
#931500
oklch(42.6% 0.162 31.8)
-
Step 900
900
#7B1404
oklch(37.8% 0.139 31.7)
-
Step 950
950 (this color)
#3D0400
oklch(23.1% 0.088 31.9)
#3D0400 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) | #171300 | 0.093 |
| Deuteranopia (no green cones) | #251F00 | 0.083 |
| Tritanopia (no blue cones) | #440003 | 0.019 |
| Achromatopsia (no color) | #1B1B1B | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D0400
#3D0400
oklch(23.1% 0.088 31.9)
- #002228
#002228
oklch(23.1% 0.04 211.6)
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 #3D0400, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.010
- Dark Maroon #3C0008 ΔE 0.019
- Mahogany #4A0100 ΔE 0.032
- Chocolate Brown #411900 ΔE 0.048
- Dark Brown #341C02 ΔE 0.056
- Dark Plum #3F012C ΔE 0.079
- Very Dark Brown #1D0200 ΔE 0.087
- Aubergine #3D0734 ΔE 0.091
Use #3D0400 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.