#400F0B
Closest named color: Deep Brown (#410200). oklch(25.3% 0.077 28.4), rgb(64, 15, 11).
Aa
White text reads best on this color (16.26:1).
About this color
#400F0B is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.077 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.023 away. White text reads best on it, at 16.26:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.29:1 |
| White text | 16.26:1 |
Values
| HEX | #400F0B |
| RGB | rgb(64, 15, 11) |
| HSL | hsl(5, 71%, 15%) |
| OKLCH | oklch(25.3% 0.077 28.4) |
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 #400F0B | 16.26:1 | AAA | Lc -105.3 | Preferred for body text |
| Black text on #400F0B | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #400F0B text on white | 16.26:1 | AAA | Lc 102.7 | Preferred for body text |
| #400F0B text on black | 1.29:1 | 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
#F6AA9F
oklch(80.8% 0.092 28.4)
-
Step 400
400
#ED796B
oklch(70.6% 0.146 28.4)
-
Step 500
500
#E45043
oklch(63.1% 0.186 28.5)
-
Step 600
600
#D02922
oklch(55.7% 0.203 28.4)
-
Step 700
700
#B31714
oklch(49.1% 0.188 28.4)
-
Step 800
800
#911914
oklch(42.6% 0.156 28.5)
-
Step 900
900
#751E18
oklch(37.7% 0.122 28.3)
-
Step 950
950 (this color)
#400F0B
oklch(25.3% 0.077 28.4)
#400F0B 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) | #1D190A | 0.081 |
| Deuteranopia (no green cones) | #292409 | 0.075 |
| Tritanopia (no blue cones) | #47030E | 0.025 |
| Achromatopsia (no color) | #202020 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #400F0B
#400F0B
oklch(25.3% 0.077 28.4)
- #00282D
#00282D
oklch(25.3% 0.043 207.4)
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 #400F0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.023
- Mahogany #4A0100 ΔE 0.028
- Chocolate Brown #411900 ΔE 0.032
- Dark Maroon #3C0008 ΔE 0.033
- Dark Brown #341C02 ΔE 0.046
- Dark Plum #3F012C ΔE 0.072
- Aubergine #3D0734 ΔE 0.080
- Eggplant #380835 ΔE 0.085
Use #400F0B 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.