#901A54
Closest named color: Mulberry (#920A4E). oklch(43.9% 0.159 356.7), rgb(144, 26, 84).
Aa
White text reads best on this color (8.53:1).
About this color
#901A54 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.159 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.014 away. White text reads best on it, at 8.53:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.46:1 |
| White text | 8.53:1 |
Values
| HEX | #901A54 |
| RGB | rgb(144, 26, 84) |
| HSL | hsl(331, 69%, 33%) |
| OKLCH | oklch(43.9% 0.159 356.7) |
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 #901A54 | 8.53:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #901A54 | 2.46:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #901A54 text on white | 8.53:1 | AAA | Lc 87.9 | Fine for body text |
| #901A54 text on black | 2.46:1 | Fails | Lc -14.2 | 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
#F7CCDA
oklch(88.6% 0.052 356.7)
-
Step 300
300
#F2A8C2
oklch(81% 0.093 356.6)
-
Step 400
400
#E875A2
oklch(70.7% 0.15 356.9)
-
Step 500
500
#DD4B8C
oklch(63.1% 0.19 356.6)
-
Step 600
600
#C82376
oklch(55.6% 0.207 356.5)
-
Step 700
700
#AC1163
oklch(49.1% 0.192 356.5)
-
Step 800
800 (this color)
#901A54
oklch(43.9% 0.159 356.7)
-
Step 900
900
#711B43
oklch(37.7% 0.125 356.6)
-
Step 950
950
#421227
oklch(26.9% 0.078 356.6)
#901A54 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) | #353E55 | 0.179 |
| Deuteranopia (no green cones) | #555451 | 0.160 |
| Tritanopia (no blue cones) | #9C0335 | 0.052 |
| Achromatopsia (no color) | #4C4C4C | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901A54
#901A54
oklch(43.9% 0.159 356.7)
- #006151
#006151
oklch(44% 0.082 176.2)
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 #901A54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.014
- Berry #990F4B ΔE 0.023
- Purple Red #990147 ΔE 0.028
- Dark Fuchsia #9D0759 ΔE 0.029
- Deep Magenta #A0025C ΔE 0.036
- Red Purple #820747 ΔE 0.042
- Violet Red #A50055 ΔE 0.043
- Red Violet #9E0168 ΔE 0.046
Use #901A54 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.