#851B54
Closest named color: Red Purple (#820747). oklch(42% 0.15 353), rgb(133, 27, 84).
Aa
White text reads best on this color (9.20:1).
About this color
#851B54 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.150 and its hue 353°. Its hue sits on the warm side of the wheel. The nearest named color is Red Purple (#820747), ΔE 0.027 away. White text reads best on it, at 9.20:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Red Purple (#820747) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #851B54 |
| RGB | rgb(133, 27, 84) |
| HSL | hsl(328, 66%, 31%) |
| OKLCH | oklch(42% 0.15 353) |
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 #851B54 | 9.20:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #851B54 | 2.28:1 | Fails | Lc 14.0 | Not readable |
| #851B54 text on white | 9.20:1 | AAA | Lc 90.0 | Fine for body text |
| #851B54 text on black | 2.28:1 | Fails | Lc -12.3 | 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F8E3EB
oklch(93.5% 0.025 352.5)
-
Step 200
200
#F4CDDC
oklch(88.6% 0.048 353)
-
Step 300
300
#EEA9C5
oklch(80.8% 0.088 353.2)
-
Step 400
400
#E279A8
oklch(70.7% 0.14 353)
-
Step 500
500
#D65293
oklch(63.1% 0.178 352.8)
-
Step 600
600
#C12F7D
oklch(55.5% 0.194 352.9)
-
Step 700
700
#A71F69
oklch(49.1% 0.181 353.3)
-
Step 800
800 (this color)
#851B54
oklch(42% 0.15 353)
-
Step 900
900
#6D2047
oklch(37.7% 0.116 352.9)
-
Step 950
950
#401429
oklch(26.9% 0.073 353.5)
#851B54 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) | #303B55 | 0.168 |
| Deuteranopia (no green cones) | #4E4F52 | 0.149 |
| Tritanopia (no blue cones) | #900F35 | 0.053 |
| Achromatopsia (no color) | #484848 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #851B54
#851B54
oklch(42% 0.15 353)
- #005B49
#005B49
oklch(42% 0.081 173.2)
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 #851B54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Purple #820747 ΔE 0.027
- Mulberry #920A4E ΔE 0.029
- Wine #80013F ΔE 0.039
- Berry #990F4B ΔE 0.044
- Velvet #750851 ΔE 0.046
- Purple Red #990147 ΔE 0.046
- Dark Fuchsia #9D0759 ΔE 0.050
- Red Wine #8C0034 ΔE 0.051
Use #851B54 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.