#400A2A
Closest named color: Dark Plum (#3F012C). oklch(25.7% 0.09 349), rgb(64, 10, 42).
Aa
White text reads best on this color (16.21:1).
About this color
#400A2A is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.090 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.019 away. White text reads best on it, at 16.21:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.090) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.29:1 |
| White text | 16.21:1 |
Values
| HEX | #400A2A |
| RGB | rgb(64, 10, 42) |
| HSL | hsl(324, 73%, 15%) |
| OKLCH | oklch(25.7% 0.09 349) |
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 #400A2A | 16.21:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #400A2A | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #400A2A text on white | 16.21:1 | AAA | Lc 102.5 | Preferred for body text |
| #400A2A 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#FBE2ED
oklch(93.6% 0.031 349.3)
-
Step 200
200
#F8CADF
oklch(88.5% 0.058 349.2)
-
Step 300
300
#F4A4CB
oklch(80.8% 0.106 349)
-
Step 400
400
#EB6FB1
oklch(70.8% 0.169 349.2)
-
Step 500
500
#E13E9E
oklch(63.2% 0.217 349)
-
Step 600
600
#CB0088
oklch(55.6% 0.233 349.1)
-
Step 700
700
#AC0073
oklch(49.2% 0.206 349)
-
Step 800
800
#8E005E
oklch(42.7% 0.179 349.1)
-
Step 900
900
#73124D
oklch(37.7% 0.141 349.2)
-
Step 950
950 (this color)
#400A2A
oklch(25.7% 0.09 349)
#400A2A 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) | #121A2B | 0.101 |
| Deuteranopia (no green cones) | #222429 | 0.089 |
| Tritanopia (no blue cones) | #450718 | 0.035 |
| Achromatopsia (no color) | #202020 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #400A2A
#400A2A
oklch(25.7% 0.09 349)
- #002B1F
#002B1F
oklch(25.7% 0.051 169.2)
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 #400A2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.019
- Aubergine #3D0734 ΔE 0.023
- Eggplant #380835 ΔE 0.032
- Eggplant Purple #430541 ΔE 0.045
- Dark Purple #35063E ΔE 0.052
- Deep Purple #36013F ΔE 0.056
- Dark Maroon #3C0008 ΔE 0.058
- Deep Violet #490648 ΔE 0.059
Use #400A2A 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.