#840A55
Closest named color: Red Purple (#820747). oklch(40.8% 0.163 350.7), rgb(132, 10, 85).
Aa
White text reads best on this color (9.74:1).
About this color
#840A55 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.163 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.023 away. White text reads best on it, at 9.74:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #840A55 |
| RGB | rgb(132, 10, 85) |
| HSL | hsl(323, 86%, 28%) |
| OKLCH | oklch(40.8% 0.163 350.7) |
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 #840A55 | 9.74:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #840A55 | 2.15:1 | Fails | Lc 13.2 | Not readable |
| #840A55 text on white | 9.74:1 | AAA | Lc 90.8 | Preferred for body text |
| #840A55 text on black | 2.15:1 | Fails | Lc -11.5 | 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 800.
-
Step 50
50
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#F9E3EC
oklch(93.6% 0.027 350.9)
-
Step 200
200
#F6CBDE
oklch(88.4% 0.054 349.9)
-
Step 300
300
#F0A7C8
oklch(80.8% 0.095 350.7)
-
Step 400
400
#E575AD
oklch(70.7% 0.152 350.4)
-
Step 500
500
#DA4A98
oklch(63% 0.194 350.7)
-
Step 600
600
#C62283
oklch(55.7% 0.212 350.8)
-
Step 700
700
#AA0F6F
oklch(49.1% 0.197 350.5)
-
Step 800
800 (this color)
#840A55
oklch(40.8% 0.163 350.7)
-
Step 900
900
#6F1B4A
oklch(37.7% 0.127 350.6)
-
Step 950
950
#42122B
oklch(27.1% 0.08 351.5)
#840A55 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) | #263757 | 0.186 |
| Deuteranopia (no green cones) | #494B52 | 0.161 |
| Tritanopia (no blue cones) | #8F0031 | 0.064 |
| Achromatopsia (no color) | #444444 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #840A55
#840A55
oklch(40.8% 0.163 350.7)
- #005844
#005844
oklch(41% 0.081 170.6)
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 #840A55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.023
- Velvet #750851 ΔE 0.034
- Mulberry #920A4E ΔE 0.035
- Wine #80013F ΔE 0.036
- Rich Purple #720058 ΔE 0.045
- Purple Red #990147 ΔE 0.053
- Berry #990F4B ΔE 0.053
- Dark Fuchsia #9D0759 ΔE 0.054
Use #840A55 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.