#40151D
Closest named color: Chocolate Brown (#411900). oklch(26.6% 0.067 11.5), rgb(64, 21, 29).
Aa
White text reads best on this color (15.63:1).
About this color
#40151D is a dark, muted red. In OKLCH its lightness is 27%, its chroma 0.067 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.045 away. White text reads best on it, at 15.63:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.34:1 |
| White text | 15.63:1 |
Values
| HEX | #40151D |
| RGB | rgb(64, 21, 29) |
| HSL | hsl(349, 51%, 17%) |
| OKLCH | oklch(26.6% 0.067 11.5) |
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 #40151D | 15.63:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #40151D | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #40151D text on white | 15.63:1 | AAA | Lc 102.2 | Preferred for body text |
| #40151D 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
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F9E4E6
oklch(93.6% 0.023 11)
-
Step 200
200
#F5CED2
oklch(88.6% 0.044 11)
-
Step 300
300
#EFACB3
oklch(80.9% 0.079 12)
-
Step 400
400
#E47D8C
oklch(70.7% 0.128 11.6)
-
Step 500
500
#D95770
oklch(63.1% 0.164 11.4)
-
Step 600
600
#C43758
oklch(55.6% 0.177 11.5)
-
Step 700
700
#A92848
oklch(49.2% 0.165 11.7)
-
Step 800
800
#89233B
oklch(42.6% 0.137 11.6)
-
Step 900
900
#6E2333
oklch(37.6% 0.107 11)
-
Step 950
950 (this color)
#40151D
oklch(26.6% 0.067 11.5)
#40151D 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) | #1E1E1D | 0.075 |
| Deuteranopia (no green cones) | #29271C | 0.069 |
| Tritanopia (no blue cones) | #460F18 | 0.017 |
| Achromatopsia (no color) | #232323 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40151D
#40151D
oklch(26.6% 0.067 11.5)
- #002C2B
#002C2B
oklch(26.5% 0.045 192.4)
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 #40151D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.045
- Mahogany #4A0100 ΔE 0.046
- Deep Brown #410200 ΔE 0.047
- Dark Maroon #3C0008 ΔE 0.049
- Dark Plum #3F012C ΔE 0.056
- Dark Brown #341C02 ΔE 0.057
- Aubergine #3D0734 ΔE 0.060
- Eggplant #380835 ΔE 0.065
Use #40151D 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.