#40102D
Closest named color: Aubergine (#3D0734). oklch(26.5% 0.083 347), rgb(64, 16, 45).
Aa
White text reads best on this color (15.78:1).
About this color
#40102D is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.083 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.026 away. White text reads best on it, at 15.78:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.083) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.33:1 |
| White text | 15.78:1 |
Values
| HEX | #40102D |
| RGB | rgb(64, 16, 45) |
| HSL | hsl(324, 60%, 16%) |
| OKLCH | oklch(26.5% 0.083 347) |
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 #40102D | 15.78:1 | AAA | Lc -105.0 | Preferred for body text |
| Black text on #40102D | 1.33:1 | Fails | Lc 0.0 | Not readable |
| #40102D text on white | 15.78:1 | AAA | Lc 102.3 | Preferred for body text |
| #40102D text on black | 1.33:1 | 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
#F9E3ED
oklch(93.6% 0.027 348.3)
-
Step 200
200
#F5CBE0
oklch(88.4% 0.054 346.7)
-
Step 300
300
#F0A7CD
oklch(80.9% 0.098 347)
-
Step 400
400
#E574B3
oklch(70.7% 0.157 347.3)
-
Step 500
500
#D949A1
oklch(63.1% 0.2 346.7)
-
Step 600
600
#C51E8B
oklch(55.6% 0.218 347.2)
-
Step 700
700
#A90976
oklch(49% 0.202 347)
-
Step 800
800
#891160
oklch(42.6% 0.168 346.9)
-
Step 900
900
#6F1A4F
oklch(37.8% 0.131 346.9)
-
Step 950
950 (this color)
#40102D
oklch(26.5% 0.083 347)
#40102D 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) | #161D2E | 0.090 |
| Deuteranopia (no green cones) | #24262C | 0.081 |
| Tritanopia (no blue cones) | #450F1C | 0.034 |
| Achromatopsia (no color) | #232323 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40102D
#40102D
oklch(26.5% 0.083 347)
- #002E20
#002E20
oklch(26.7% 0.055 167)
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 #40102D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.026
- Dark Plum #3F012C ΔE 0.028
- Eggplant #380835 ΔE 0.034
- Eggplant Purple #430541 ΔE 0.045
- Dark Purple #35063E ΔE 0.052
- Deep Violet #490648 ΔE 0.056
- Deep Purple #36013F ΔE 0.058
- Dark Maroon #3C0008 ΔE 0.065
Use #40102D 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.