#40131D
Closest named color: Deep Brown (#410200). oklch(26.3% 0.071 9.8), rgb(64, 19, 29).
Aa
White text reads best on this color (15.80:1).
About this color
#40131D is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.071 and its hue 10°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.045 away. White text reads best on it, at 15.80:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.071) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.32:1 |
| White text | 15.80:1 |
Values
| HEX | #40131D |
| RGB | rgb(64, 19, 29) |
| HSL | hsl(347, 54%, 16%) |
| OKLCH | oklch(26.3% 0.071 9.8) |
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 #40131D | 15.80:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #40131D | 1.32:1 | Fails | Lc 0.0 | Not readable |
| #40131D text on white | 15.80:1 | AAA | Lc 102.3 | Preferred for body text |
| #40131D text on black | 1.32:1 | 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
#FDF3F4
oklch(97.2% 0.011 10.3)
-
Step 100
100
#F9E4E6
oklch(93.6% 0.023 11)
-
Step 200
200
#F6CDD2
oklch(88.5% 0.047 9.8)
-
Step 300
300
#F1ABB4
oklch(81% 0.083 10.6)
-
Step 400
400
#E67B8E
oklch(70.7% 0.133 9.8)
-
Step 500
500
#DB5472
oklch(63.1% 0.17 9.8)
-
Step 600
600
#C7325B
oklch(55.7% 0.186 9.7)
-
Step 700
700
#AB224A
oklch(49.1% 0.172 9.9)
-
Step 800
800
#8B1F3D
oklch(42.7% 0.143 9.8)
-
Step 900
900
#702134
oklch(37.7% 0.112 9.9)
-
Step 950
950 (this color)
#40131D
oklch(26.3% 0.071 9.8)
#40131D 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) | #1D1D1D | 0.078 |
| Deuteranopia (no green cones) | #28261C | 0.072 |
| Tritanopia (no blue cones) | #460D17 | 0.017 |
| Achromatopsia (no color) | #232323 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40131D
#40131D
oklch(26.3% 0.071 9.8)
- #002C2A
#002C2A
oklch(26.5% 0.046 190.1)
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 #40131D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.045
- Mahogany #4A0100 ΔE 0.045
- Dark Maroon #3C0008 ΔE 0.045
- Chocolate Brown #411900 ΔE 0.049
- Dark Plum #3F012C ΔE 0.052
- Aubergine #3D0734 ΔE 0.057
- Dark Brown #341C02 ΔE 0.060
- Eggplant #380835 ΔE 0.062
Use #40131D 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.