#400A05
Closest named color: Deep Brown (#410200). oklch(24.6% 0.084 30.3), rgb(64, 10, 5).
Aa
White text reads best on this color (16.61:1).
About this color
#400A05 is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.084 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.013 away. White text reads best on it, at 16.61:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.26:1 |
| White text | 16.61:1 |
Values
| HEX | #400A05 |
| RGB | rgb(64, 10, 5) |
| HSL | hsl(5, 86%, 14%) |
| OKLCH | oklch(24.6% 0.084 30.3) |
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 #400A05 | 16.61:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #400A05 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #400A05 text on white | 16.61:1 | AAA | Lc 102.9 | Preferred for body text |
| #400A05 text on black | 1.26:1 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FDE3DF
oklch(93.6% 0.029 28.1)
-
Step 200
200
#FCCCC4
oklch(88.5% 0.056 29.2)
-
Step 300
300
#FAA99A
oklch(81% 0.099 30.9)
-
Step 400
400
#F37562
oklch(70.7% 0.159 30.3)
-
Step 500
500
#EA4834
oklch(63.1% 0.202 30.5)
-
Step 600
600
#D61602
oklch(55.6% 0.22 30.3)
-
Step 700
700
#B50F00
oklch(49% 0.195 30.3)
-
Step 800
800
#960B00
oklch(42.7% 0.17 30.3)
-
Step 900
900
#78180E
oklch(37.6% 0.132 30.2)
-
Step 950
950 (this color)
#400A05
oklch(24.6% 0.084 30.3)
#400A05 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) | #1B1704 | 0.088 |
| Deuteranopia (no green cones) | #282303 | 0.082 |
| Tritanopia (no blue cones) | #470009 | 0.023 |
| Achromatopsia (no color) | #1E1E1E | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #400A05
#400A05
oklch(24.6% 0.084 30.3)
- #00262C
#00262C
oklch(24.6% 0.043 210.4)
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 #400A05, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.013
- Mahogany #4A0100 ΔE 0.024
- Dark Maroon #3C0008 ΔE 0.026
- Chocolate Brown #411900 ΔE 0.037
- Dark Brown #341C02 ΔE 0.050
- Dark Plum #3F012C ΔE 0.075
- Aubergine #3D0734 ΔE 0.085
- Burgundy #610023 ΔE 0.089
Use #400A05 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.