#400D23
Closest named color: Dark Plum (#3F012C). oklch(25.7% 0.082 358.2), rgb(64, 13, 35).
Aa
White text reads best on this color (16.15:1).
About this color
#400D23 is a dark, moderately saturated red. In OKLCH its lightness is 26%, its chroma 0.082 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.032 away. White text reads best on it, at 16.15:1.
| Hue family | Reds |
| Lightness | dark (26%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.29:1 |
| White text | 16.15:1 |
Values
| HEX | #400D23 |
| RGB | rgb(64, 13, 35) |
| HSL | hsl(334, 66%, 15%) |
| OKLCH | oklch(25.7% 0.082 358.2) |
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 #400D23 | 16.15:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #400D23 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #400D23 text on white | 16.15:1 | AAA | Lc 102.6 | Preferred for body text |
| #400D23 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FBE3EA
oklch(93.7% 0.028 358)
-
Step 200
200
#F8CBD9
oklch(88.5% 0.054 357.7)
-
Step 300
300
#F4A6C0
oklch(80.8% 0.097 357.9)
-
Step 400
400
#EB73A0
oklch(70.7% 0.155 358.1)
-
Step 500
500
#E14688
oklch(63.1% 0.198 358.4)
-
Step 600
600
#CC1972
oklch(55.7% 0.215 358.4)
-
Step 700
700
#B00060
oklch(49.2% 0.2 358.2)
-
Step 800
800
#8F0D4E
oklch(42.8% 0.166 358.4)
-
Step 900
900
#731841
oklch(37.7% 0.129 358.3)
-
Step 950
950 (this color)
#400D23
oklch(25.7% 0.082 358.2)
#400D23 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) | #171B24 | 0.091 |
| Deuteranopia (no green cones) | #252422 | 0.082 |
| Tritanopia (no blue cones) | #460716 | 0.026 |
| Achromatopsia (no color) | #212121 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #400D23
#400D23
oklch(25.7% 0.082 358.2)
- #002B23
#002B23
oklch(25.8% 0.048 176.7)
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 #400D23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.032
- Aubergine #3D0734 ΔE 0.039
- Eggplant #380835 ΔE 0.045
- Dark Maroon #3C0008 ΔE 0.047
- Deep Brown #410200 ΔE 0.054
- Mahogany #4A0100 ΔE 0.055
- Eggplant Purple #430541 ΔE 0.060
- Dark Purple #35063E ΔE 0.065
Use #400D23 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.