#901751
Closest named color: Mulberry (#920A4E). oklch(43.6% 0.161 358), rgb(144, 23, 81).
Aa
White text reads best on this color (8.65:1).
About this color
#901751 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.161 and its hue 358°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.010 away. White text reads best on it, at 8.65:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.161) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.42:1 |
| White text | 8.65:1 |
Values
| HEX | #901751 |
| RGB | rgb(144, 23, 81) |
| HSL | hsl(331, 72%, 33%) |
| OKLCH | oklch(43.6% 0.161 358) |
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 #901751 | 8.65:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #901751 | 2.42:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #901751 text on white | 8.65:1 | AAA | Lc 88.2 | Fine for body text |
| #901751 text on black | 2.42:1 | Fails | Lc -14.0 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FAE3EA
oklch(93.6% 0.027 357.2)
-
Step 200
200
#F7CBD9
oklch(88.4% 0.053 357.2)
-
Step 300
300
#F3A7C0
oklch(80.8% 0.094 358.1)
-
Step 400
400
#E975A0
oklch(70.8% 0.15 358.2)
-
Step 500
500
#DE4A89
oklch(63.1% 0.191 357.9)
-
Step 600
600
#C92073
oklch(55.5% 0.209 357.8)
-
Step 700
700
#AE0D60
oklch(49.2% 0.194 358.2)
-
Step 800
800 (this color)
#901751
oklch(43.6% 0.161 358)
-
Step 900
900
#711B41
oklch(37.7% 0.124 358.1)
-
Step 950
950
#431226
oklch(27.1% 0.079 358.5)
#901751 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) | #343D52 | 0.182 |
| Deuteranopia (no green cones) | #55544E | 0.163 |
| Tritanopia (no blue cones) | #9C0032 | 0.052 |
| Achromatopsia (no color) | #4C4C4C | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901751
#901751
oklch(43.6% 0.161 358)
- #006051
#006051
oklch(43.7% 0.081 177.1)
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 #901751, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.010
- Berry #990F4B ΔE 0.021
- Purple Red #990147 ΔE 0.024
- Dark Fuchsia #9D0759 ΔE 0.030
- Deep Magenta #A0025C ΔE 0.038
- Red Purple #820747 ΔE 0.038
- Violet Red #A50055 ΔE 0.043
- Cranberry #9E003A ΔE 0.045
Use #901751 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.