#40072B
Closest named color: Dark Plum (#3F012C). oklch(25.4% 0.094 347.3), rgb(64, 7, 43).
Aa
White text reads best on this color (16.36:1).
About this color
#40072B is a dark, moderately saturated red. In OKLCH its lightness is 25%, its chroma 0.094 and its hue 347°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.013 away. White text reads best on it, at 16.36:1.
| Hue family | Reds |
| Lightness | dark (25%) |
| Chroma | moderately saturated (0.094) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.28:1 |
| White text | 16.36:1 |
Values
| HEX | #40072B |
| RGB | rgb(64, 7, 43) |
| HSL | hsl(322, 80%, 14%) |
| OKLCH | oklch(25.4% 0.094 347.3) |
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 #40072B | 16.36:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #40072B | 1.28:1 | Fails | Lc 0.0 | Not readable |
| #40072B text on white | 16.36:1 | AAA | Lc 102.6 | Preferred for body text |
| #40072B text on black | 1.28:1 | 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
#FEF2F7
oklch(97.2% 0.014 350.1)
-
Step 100
100
#FBE2EE
oklch(93.6% 0.031 347.1)
-
Step 200
200
#F9C9E1
oklch(88.5% 0.062 346.9)
-
Step 300
300
#F6A3CE
oklch(80.9% 0.111 347.5)
-
Step 400
400
#ED6BB5
oklch(70.6% 0.179 347.4)
-
Step 500
500
#E337A3
oklch(63.1% 0.228 347.3)
-
Step 600
600
#CA008C
oklch(55.6% 0.234 347.5)
-
Step 700
700
#AB0076
oklch(49.1% 0.207 347.4)
-
Step 800
800
#8D0061
oklch(42.7% 0.18 347.2)
-
Step 900
900
#740C50
oklch(37.7% 0.149 347.3)
-
Step 950
950 (this color)
#40072B
oklch(25.4% 0.094 347.3)
#40072B 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) | #10192C | 0.106 |
| Deuteranopia (no green cones) | #21232A | 0.092 |
| Tritanopia (no blue cones) | #450518 | 0.038 |
| Achromatopsia (no color) | #202020 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40072B
#40072B
oklch(25.4% 0.094 347.3)
- #002A1D
#002A1D
oklch(25.3% 0.052 167.1)
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 #40072B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.013
- Aubergine #3D0734 ΔE 0.020
- Eggplant #380835 ΔE 0.029
- Eggplant Purple #430541 ΔE 0.042
- Dark Purple #35063E ΔE 0.048
- Deep Purple #36013F ΔE 0.052
- Deep Violet #490648 ΔE 0.057
- Dark Maroon #3C0008 ΔE 0.060
Use #40072B 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.