#901155
Closest named color: Mulberry (#920A4E). oklch(43.4% 0.167 355.2), rgb(144, 17, 85).
Aa
White text reads best on this color (8.76:1).
About this color
#901155 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.167 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.012 away. White text reads best on it, at 8.76:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.167) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.39:1 |
| White text | 8.76:1 |
Values
| HEX | #901155 |
| RGB | rgb(144, 17, 85) |
| HSL | hsl(328, 79%, 32%) |
| OKLCH | oklch(43.4% 0.167 355.2) |
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 #901155 | 8.76:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #901155 | 2.39:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #901155 text on white | 8.76:1 | AAA | Lc 88.3 | Fine for body text |
| #901155 text on black | 2.39:1 | Fails | Lc -13.9 | 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 800.
-
Step 50
50
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FAE3EB
oklch(93.7% 0.027 354.5)
-
Step 200
200
#F8CBDB
oklch(88.5% 0.055 354.9)
-
Step 300
300
#F3A6C3
oklch(80.8% 0.097 355.2)
-
Step 400
400
#EA73A5
oklch(70.8% 0.156 355.4)
-
Step 500
500
#DF468F
oklch(63% 0.199 355.1)
-
Step 600
600
#CA1879
oklch(55.5% 0.217 355.1)
-
Step 700
700
#AE0066
oklch(49% 0.201 355.1)
-
Step 800
800 (this color)
#901155
oklch(43.4% 0.167 355.2)
-
Step 900
900
#721845
oklch(37.7% 0.13 355)
-
Step 950
950
#431028
oklch(26.9% 0.083 355.2)
#901155 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) | #303C57 | 0.190 |
| Deuteranopia (no green cones) | #535352 | 0.168 |
| Tritanopia (no blue cones) | #9C0033 | 0.058 |
| Achromatopsia (no color) | #4B4B4B | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901155
#901155
oklch(43.4% 0.167 355.2)
- #005F4E
#005F4E
oklch(43.3% 0.082 174.9)
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 #901155, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.012
- Berry #990F4B ΔE 0.027
- Dark Fuchsia #9D0759 ΔE 0.027
- Purple Red #990147 ΔE 0.029
- Deep Magenta #A0025C ΔE 0.034
- Red Purple #820747 ΔE 0.038
- Red Violet #9E0168 ΔE 0.042
- Violet Red #A50055 ΔE 0.043
Use #901155 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.