#3D0000
Closest named color: Deep Brown (#410200). oklch(22.6% 0.093 29.2), rgb(61, 0, 0).
Aa
White text reads best on this color (17.52:1).
About this color
#3D0000 is a very dark, moderately saturated red. In OKLCH its lightness is 23%, its chroma 0.093 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.012 away. White text reads best on it, at 17.52:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | moderately saturated (0.093) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.19:1 |
| White text | 17.52:1 |
Values
| HEX | #3D0000 |
| RGB | rgb(61, 0, 0) |
| HSL | hsl(0, 100%, 12%) |
| OKLCH | oklch(22.6% 0.093 29.2) |
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 #3D0000 | 17.52:1 | AAA | Lc -105.8 | Preferred for body text |
| Black text on #3D0000 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #3D0000 text on white | 17.52:1 | AAA | Lc 103.3 | Preferred for body text |
| #3D0000 text on black | 1.19:1 | 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
#FFE3DE
oklch(93.7% 0.032 29.8)
-
Step 200
200
#FFCBC2
oklch(88.5% 0.061 29.7)
-
Step 300
300
#FFA698
oklch(81% 0.108 29.4)
-
Step 400
400
#FB6E5D
oklch(70.7% 0.176 29.1)
-
Step 500
500
#F3382A
oklch(63.1% 0.224 29.3)
-
Step 600
600
#D90000
oklch(55.6% 0.228 29.2)
-
Step 700
700
#B80000
oklch(49.1% 0.202 29.2)
-
Step 800
800
#980000
oklch(42.7% 0.175 29.2)
-
Step 900
900
#7D0B06
oklch(37.6% 0.146 29.3)
-
Step 950
950 (this color)
#3D0000
oklch(22.6% 0.093 29.2)
#3D0000 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) | #141000 | 0.102 |
| Deuteranopia (no green cones) | #231E00 | 0.090 |
| Tritanopia (no blue cones) | #440001 | 0.018 |
| Achromatopsia (no color) | #191919 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D0000
#3D0000
oklch(22.6% 0.093 29.2)
- #002126
#002126
oklch(22.7% 0.039 209.2)
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 #3D0000, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.012
- Dark Maroon #3C0008 ΔE 0.014
- Mahogany #4A0100 ΔE 0.034
- Chocolate Brown #411900 ΔE 0.056
- Dark Brown #341C02 ΔE 0.064
- Dark Plum #3F012C ΔE 0.078
- Very Dark Brown #1D0200 ΔE 0.085
- Aubergine #3D0734 ΔE 0.090
Use #3D0000 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.