#40150B
Closest named color: Chocolate Brown (#411900). oklch(26.2% 0.07 34.5), rgb(64, 21, 11).
Aa
White text reads best on this color (15.78:1).
About this color
#40150B is a dark, muted red. In OKLCH its lightness is 26%, its chroma 0.070 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Chocolate Brown (#411900), ΔE 0.020 away. White text reads best on it, at 15.78:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | muted (0.070) |
| Temperature | warm |
| Nearest name | Chocolate Brown (#411900) |
| Black text | 1.33:1 |
| White text | 15.78:1 |
Values
| HEX | #40150B |
| RGB | rgb(64, 21, 11) |
| HSL | hsl(11, 71%, 15%) |
| OKLCH | oklch(26.2% 0.07 34.5) |
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 #40150B | 15.78:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #40150B | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #40150B text on white | 15.78:1 | AAA | Lc 102.3 | Preferred for body text |
| #40150B text on black | 1.33:1 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#F9E5DF
oklch(93.6% 0.023 37.4)
-
Step 200
200
#F6CFC5
oklch(88.5% 0.046 34.7)
-
Step 300
300
#F1AE9D
oklch(81% 0.083 34.8)
-
Step 400
400
#E78067
oklch(70.8% 0.133 34.6)
-
Step 500
500
#DC5A3C
oklch(63% 0.17 34.4)
-
Step 600
600
#C83A16
oklch(55.6% 0.184 34.5)
-
Step 700
700
#AC2A05
oklch(49% 0.171 34.4)
-
Step 800
800
#8C260C
oklch(42.8% 0.142 34.5)
-
Step 900
900
#702514
oklch(37.6% 0.11 34.2)
-
Step 950
950 (this color)
#40150B
oklch(26.2% 0.07 34.5)
#40150B 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) | #211D0A | 0.070 |
| Deuteranopia (no green cones) | #2B260A | 0.065 |
| Tritanopia (no blue cones) | #470B13 | 0.029 |
| Achromatopsia (no color) | #232323 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40150B
#40150B
oklch(26.2% 0.07 34.5)
- #002A32
#002A32
oklch(26.2% 0.046 213.9)
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 #40150B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chocolate Brown #411900 ΔE 0.020
- Deep Brown #410200 ΔE 0.035
- Mahogany #4A0100 ΔE 0.036
- Dark Brown #341C02 ΔE 0.037
- Dark Maroon #3C0008 ΔE 0.047
- Jet #212529 ΔE 0.078
- Dark Plum #3F012C ΔE 0.080
- Aubergine #3D0734 ΔE 0.087
Use #40150B 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.