#40022B
Closest named color: Dark Plum (#3F012C). oklch(24.9% 0.102 346.4), rgb(64, 2, 43).
Aa
White text reads best on this color (16.64:1).
About this color
#40022B is a very dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.102 and its hue 346°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.005 away. White text reads best on it, at 16.64:1.
| Hue family | Reds |
| Lightness | very dark (25%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.26:1 |
| White text | 16.64:1 |
Values
| HEX | #40022B |
| RGB | rgb(64, 2, 43) |
| HSL | hsl(320, 94%, 13%) |
| OKLCH | oklch(24.9% 0.102 346.4) |
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 #40022B | 16.64:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #40022B | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #40022B text on white | 16.64:1 | AAA | Lc 102.6 | Preferred for body text |
| #40022B 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
#FEF1F8
oklch(97% 0.017 343.6)
-
Step 100
100
#FCE1EF
oklch(93.6% 0.035 345.1)
-
Step 200
200
#FBC8E2
oklch(88.5% 0.067 346.5)
-
Step 300
300
#F9A0D0
oklch(80.8% 0.12 346.6)
-
Step 400
400
#F166B9
oklch(70.7% 0.192 346.3)
-
Step 500
500
#E828A7
oklch(63.2% 0.246 346.5)
-
Step 600
600
#C9008E
oklch(55.5% 0.235 346.5)
-
Step 700
700
#AA0078
oklch(49% 0.207 346.3)
-
Step 800
800
#8D0062
oklch(42.7% 0.18 346.7)
-
Step 900
900
#760052
oklch(37.6% 0.159 346.4)
-
Step 950
950 (this color)
#40022B
oklch(24.9% 0.102 346.4)
#40022B 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) | #0B172C | 0.116 |
| Deuteranopia (no green cones) | #1F222A | 0.099 |
| Tritanopia (no blue cones) | #450016 | 0.042 |
| Achromatopsia (no color) | #1E1E1E | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40022B
#40022B
oklch(24.9% 0.102 346.4)
- #00291C
#00291C
oklch(24.9% 0.051 166.7)
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 #40022B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.005
- Aubergine #3D0734 ΔE 0.019
- Eggplant #380835 ΔE 0.028
- Eggplant Purple #430541 ΔE 0.041
- Dark Purple #35063E ΔE 0.047
- Deep Purple #36013F ΔE 0.049
- Deep Violet #490648 ΔE 0.057
- Very Dark Purple #2A0134 ΔE 0.062
Use #40022B 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.