#840D33
Closest named color: Red Wine (#8C0034). oklch(39.8% 0.15 10.8), rgb(132, 13, 51).
Aa
White text reads best on this color (10.06:1).
About this color
#840D33 is a dark, vivid red. In OKLCH its lightness is 40%, its chroma 0.150 and its hue 11°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.017 away. White text reads best on it, at 10.06:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Red Wine (#8C0034) |
| Black text | 2.08:1 |
| White text | 10.06:1 |
Values
| HEX | #840D33 |
| RGB | rgb(132, 13, 51) |
| HSL | hsl(341, 82%, 28%) |
| OKLCH | oklch(39.8% 0.15 10.8) |
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 #840D33 | 10.06:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #840D33 | 2.08:1 | Fails | Lc 12.3 | Not readable |
| #840D33 text on white | 10.06:1 | AAA | Lc 91.6 | Preferred for body text |
| #840D33 text on black | 2.08:1 | Fails | Lc -10.8 | 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
#FFF2F3
oklch(97.2% 0.014 12)
-
Step 100
100
#FFE1E4
oklch(93.5% 0.033 10.9)
-
Step 200
200
#FFC9CF
oklch(88.5% 0.062 10.9)
-
Step 300
300
#FFA2AF
oklch(80.9% 0.111 10.8)
-
Step 400
400
#FB6885
oklch(70.8% 0.18 10.9)
-
Step 500
500
#F32B67
oklch(63.1% 0.231 10.7)
-
Step 600
600
#D40053
oklch(55.6% 0.222 10.7)
-
Step 700
700
#B40045
oklch(49.2% 0.197 10.8)
-
Step 800
800
#950038
oklch(42.8% 0.171 10.6)
-
Step 900
900 (this color)
#840D33
oklch(39.8% 0.15 10.8)
-
Step 950
950
#4A091B
oklch(27.1% 0.095 10.9)
#840D33 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) | #333334 | 0.168 |
| Deuteranopia (no green cones) | #504A30 | 0.153 |
| Tritanopia (no blue cones) | #91001F | 0.037 |
| Achromatopsia (no color) | #424242 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #840D33
#840D33
oklch(39.8% 0.15 10.8)
- #005350
#005350
oklch(39.9% 0.069 190.6)
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 #840D33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Wine #8C0034 ΔE 0.017
- Bordeaux #7B002C ΔE 0.026
- Wine #80013F ΔE 0.028
- Wine Red #7B0323 ΔE 0.031
- Red Purple #820747 ΔE 0.036
- Merlot #730039 ΔE 0.047
- Mulberry #920A4E ΔE 0.051
- Dark Red #8B0000 ΔE 0.052
Use #840D33 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.