#851B59
Closest named color: Mulberry (#920A4E). oklch(42.2% 0.152 350), rgb(133, 27, 89).
Aa
White text reads best on this color (9.13:1).
About this color
#851B59 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.152 and its hue 350°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.032 away. White text reads best on it, at 9.13:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.29:1 |
| White text | 9.13:1 |
Values
| HEX | #851B59 |
| RGB | rgb(133, 27, 89) |
| HSL | hsl(325, 66%, 31%) |
| OKLCH | oklch(42.2% 0.152 350) |
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 #851B59 | 9.13:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #851B59 | 2.29:1 | Fails | Lc 14.2 | Not readable |
| #851B59 text on white | 9.13:1 | AAA | Lc 89.8 | Fine for body text |
| #851B59 text on black | 2.29:1 | Fails | Lc -12.5 | 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
#FCF2F6
oklch(97% 0.012 351)
-
Step 100
100
#F8E3EC
oklch(93.5% 0.026 349.8)
-
Step 200
200
#F4CCDE
oklch(88.5% 0.051 349.3)
-
Step 300
300
#EDA9C9
oklch(80.8% 0.089 349.5)
-
Step 400
400
#E179AD
oklch(70.7% 0.142 350)
-
Step 500
500
#D55199
oklch(63.1% 0.181 349.8)
-
Step 600
600
#C12E83
oklch(55.7% 0.198 350.2)
-
Step 700
700
#A61E6F
oklch(49.1% 0.184 350.1)
-
Step 800
800 (this color)
#851B59
oklch(42.2% 0.152 350)
-
Step 900
900
#6C1F4A
oklch(37.6% 0.119 349.9)
-
Step 950
950
#40142B
oklch(27% 0.075 350.8)
#851B59 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) | #2E3C5B | 0.170 |
| Deuteranopia (no green cones) | #4C4F57 | 0.151 |
| Tritanopia (no blue cones) | #8F1338 | 0.057 |
| Achromatopsia (no color) | #484848 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #851B59
#851B59
oklch(42.2% 0.152 350)
- #005C47
#005C47
oklch(42.2% 0.083 170.4)
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 #851B59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.032
- Red Purple #820747 ΔE 0.032
- Velvet #750851 ΔE 0.045
- Wine #80013F ΔE 0.046
- Berry #990F4B ΔE 0.048
- Dark Fuchsia #9D0759 ΔE 0.049
- Purple Red #990147 ΔE 0.050
- Deep Magenta #A0025C ΔE 0.055
Use #851B59 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.