#400B23
Closest named color: Dark Plum (#3F012C). oklch(25.5% 0.084 357.5), rgb(64, 11, 35).
Aa
White text reads best on this color (16.27:1).
About this color
#400B23 is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.084 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.029 away. White text reads best on it, at 16.27:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.084) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.29:1 |
| White text | 16.27:1 |
Values
| HEX | #400B23 |
| RGB | rgb(64, 11, 35) |
| HSL | hsl(333, 71%, 15%) |
| OKLCH | oklch(25.5% 0.084 357.5) |
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 #400B23 | 16.27:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #400B23 | 1.29:1 | Fails | Lc 0.0 | Not readable |
| #400B23 text on white | 16.27:1 | AAA | Lc 102.6 | Preferred for body text |
| #400B23 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
#FEF2F5
oklch(97.1% 0.013 0.3)
-
Step 100
100
#FBE2EA
oklch(93.5% 0.029 356.3)
-
Step 200
200
#F9CBD9
oklch(88.6% 0.055 358.1)
-
Step 300
300
#F6A6C1
oklch(81% 0.1 357.7)
-
Step 400
400
#ED71A1
oklch(70.8% 0.16 357.6)
-
Step 500
500
#E3438A
oklch(63.2% 0.204 357.7)
-
Step 600
600
#CE0C74
oklch(55.7% 0.223 357.5)
-
Step 700
700
#AF0061
oklch(49% 0.2 357.5)
-
Step 800
800
#90054F
oklch(42.7% 0.171 357.7)
-
Step 900
900
#741542
oklch(37.7% 0.134 357.4)
-
Step 950
950 (this color)
#400B23
oklch(25.5% 0.084 357.5)
#400B23 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) | #161A24 | 0.094 |
| Deuteranopia (no green cones) | #242422 | 0.086 |
| Tritanopia (no blue cones) | #460515 | 0.027 |
| Achromatopsia (no color) | #202020 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #400B23
#400B23
oklch(25.5% 0.084 357.5)
- #002A23
#002A23
oklch(25.5% 0.047 178.5)
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 #400B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.029
- Aubergine #3D0734 ΔE 0.037
- Eggplant #380835 ΔE 0.044
- Dark Maroon #3C0008 ΔE 0.046
- Deep Brown #410200 ΔE 0.054
- Mahogany #4A0100 ΔE 0.056
- Eggplant Purple #430541 ΔE 0.059
- Dark Purple #35063E ΔE 0.064
Use #400B23 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.