#431403
Closest named color: Chocolate Brown (#411900). oklch(26.5% 0.078 39.8), rgb(67, 20, 3).
Aa
White text reads best on this color (15.67:1).
About this color
#431403 is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.078 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.014 away. White text reads best on it, at 15.67:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.34:1 |
| White text | 15.67:1 |
Values
| HEX | #431403 |
| RGB | rgb(67, 20, 3) |
| HSL | hsl(16, 91%, 14%) |
| OKLCH | oklch(26.5% 0.078 39.8) |
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 #431403 | 15.67:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #431403 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #431403 text on white | 15.67:1 | AAA | Lc 102.1 | Preferred for body text |
| #431403 text on black | 1.34:1 | 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
#FDF3EF
oklch(97.1% 0.012 43.3)
-
Step 100
100
#FBE4DD
oklch(93.6% 0.027 37.6)
-
Step 200
200
#F8CFC0
oklch(88.6% 0.051 41.1)
-
Step 300
300
#F5AD94
oklch(81% 0.092 39.9)
-
Step 400
400
#EC7D56
oklch(70.7% 0.147 39.8)
-
Step 500
500
#E35518
oklch(63.2% 0.189 39.8)
-
Step 600
600
#C34200
oklch(55.6% 0.175 39.8)
-
Step 700
700
#A53700
oklch(49.2% 0.154 40)
-
Step 800
800
#882C00
oklch(42.7% 0.134 40.1)
-
Step 900
900
#732300
oklch(37.7% 0.119 39.6)
-
Step 950
950 (this color)
#431403
oklch(26.5% 0.078 39.8)
#431403 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) | #221D01 | 0.077 |
| Deuteranopia (no green cones) | #2D2702 | 0.069 |
| Tritanopia (no blue cones) | #4B0710 | 0.035 |
| Achromatopsia (no color) | #232323 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #431403
#431403
oklch(26.5% 0.078 39.8)
- #002A35
#002A35
oklch(26.4% 0.048 220.2)
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 #431403, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.014
- Mahogany #4A0100 ΔE 0.032
- Deep Brown #410200 ΔE 0.035
- Dark Brown #341C02 ΔE 0.038
- Dark Maroon #3C0008 ΔE 0.051
- Burgundy #610023 ΔE 0.086
- Jet #212529 ΔE 0.086
- Dark Plum #3F012C ΔE 0.089
Use #431403 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.