#350403
Closest named color: Dark Maroon (#3C0008). oklch(21.3% 0.078 28.3), rgb(53, 4, 3).
Aa
White text reads best on this color (17.94:1).
About this color
#350403 is a very dark, moderately saturated red. In OKLCH its lightness is 21%, its chroma 0.078 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Maroon (#3C0008), ΔE 0.021 away. White text reads best on it, at 17.94:1.
| Hue family | Reds |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Dark Maroon (#3C0008) |
| Black text | 1.17:1 |
| White text | 17.94:1 |
Values
| HEX | #350403 |
| RGB | rgb(53, 4, 3) |
| HSL | hsl(1, 89%, 11%) |
| OKLCH | oklch(21.3% 0.078 28.3) |
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 #350403 | 17.94:1 | AAA | Lc -106.3 | Preferred for body text |
| Black text on #350403 | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #350403 text on white | 17.94:1 | AAA | Lc 104.0 | Preferred for body text |
| #350403 text on black | 1.17:1 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CDC6
oklch(88.4% 0.051 28.7)
-
Step 300
300
#F7AA9F
oklch(80.9% 0.093 28.3)
-
Step 400
400
#EE796B
oklch(70.7% 0.147 28.4)
-
Step 500
500
#E54E42
oklch(63% 0.189 28.2)
-
Step 600
600
#D12621
oklch(55.7% 0.206 28.2)
-
Step 700
700
#B41413
oklch(49.1% 0.191 28.3)
-
Step 800
800
#921713
oklch(42.7% 0.158 28.3)
-
Step 900
900
#751D17
oklch(37.6% 0.123 28.4)
-
Step 950
950 (this color)
#350403
oklch(21.3% 0.078 28.3)
#350403 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) | #131003 | 0.084 |
| Deuteranopia (no green cones) | #1F1B02 | 0.077 |
| Tritanopia (no blue cones) | #3B0004 | 0.016 |
| Achromatopsia (no color) | #171717 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #350403
#350403
oklch(21.3% 0.078 28.3)
- #001E22
#001E22
oklch(21.5% 0.037 207.2)
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 #350403, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Maroon #3C0008 ΔE 0.021
- Deep Brown #410200 ΔE 0.030
- Mahogany #4A0100 ΔE 0.052
- Dark Brown #341C02 ΔE 0.062
- Chocolate Brown #411900 ΔE 0.063
- Very Dark Brown #1D0200 ΔE 0.067
- Dark Plum #3F012C ΔE 0.079
- Aubergine #3D0734 ΔE 0.090
Use #350403 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.