#840442
Closest named color: Red Purple (#820747). oklch(39.9% 0.158 1.1), rgb(132, 4, 66).
Aa
White text reads best on this color (10.11:1).
About this color
#840442 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.158 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.009 away. White text reads best on it, at 10.11:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.07:1 |
| White text | 10.11:1 |
Values
| HEX | #840442 |
| RGB | rgb(132, 4, 66) |
| HSL | hsl(331, 94%, 27%) |
| OKLCH | oklch(39.9% 0.158 1.1) |
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 #840442 | 10.11:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #840442 | 2.07:1 | Fails | Lc 12.5 | Not readable |
| #840442 text on white | 10.11:1 | AAA | Lc 91.4 | Preferred for body text |
| #840442 text on black | 2.07:1 | Fails | Lc -10.9 | 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 900.
-
Step 50
50
#FFF1F5
oklch(97% 0.016 358)
-
Step 100
100
#FFE1E8
oklch(93.6% 0.034 2)
-
Step 200
200
#FFC8D6
oklch(88.5% 0.065 1.6)
-
Step 300
300
#FFA0BC
oklch(80.9% 0.117 1)
-
Step 400
400
#FB6499
oklch(70.8% 0.19 1.4)
-
Step 500
500
#F31E80
oklch(63.1% 0.243 1.3)
-
Step 600
600
#D1006B
oklch(55.6% 0.225 1.2)
-
Step 700
700
#B1005A
oklch(49.2% 0.199 1.1)
-
Step 800
800
#920049
oklch(42.7% 0.173 1.1)
-
Step 900
900 (this color)
#840442
oklch(39.9% 0.158 1.1)
-
Step 950
950
#4A0623
oklch(27.1% 0.1 1.7)
#840442 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) | #2C3343 | 0.181 |
| Deuteranopia (no green cones) | #4D4A3F | 0.161 |
| Tritanopia (no blue cones) | #900025 | 0.052 |
| Achromatopsia (no color) | #424242 | 0.160 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #840442
#840442
oklch(39.9% 0.158 1.1)
- #00544A
#00544A
oklch(40% 0.072 181.3)
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 #840442, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.009
- Wine #80013F ΔE 0.011
- Red Wine #8C0034 ΔE 0.029
- Mulberry #920A4E ΔE 0.036
- Bordeaux #7B002C ΔE 0.039
- Merlot #730039 ΔE 0.041
- Velvet #750851 ΔE 0.044
- Purple Red #990147 ΔE 0.046
Use #840442 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.