#901A49
Closest named color: Mulberry (#920A4E). oklch(43.5% 0.155 2.9), rgb(144, 26, 73).
Aa
White text reads best on this color (8.64:1).
About this color
#901A49 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.155 and its hue 3°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.018 away. White text reads best on it, at 8.64:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.42:1 |
| White text | 8.64:1 |
Values
| HEX | #901A49 |
| RGB | rgb(144, 26, 73) |
| HSL | hsl(336, 69%, 33%) |
| OKLCH | oklch(43.5% 0.155 2.9) |
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 #901A49 | 8.64:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #901A49 | 2.42:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #901A49 text on white | 8.64:1 | AAA | Lc 88.3 | Fine for body text |
| #901A49 text on black | 2.42:1 | 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
#FDF2F5
oklch(97.1% 0.012 358.8)
-
Step 100
100
#FAE3E8
oklch(93.6% 0.026 2.8)
-
Step 200
200
#F7CCD6
oklch(88.5% 0.05 2.5)
-
Step 300
300
#F3A8BB
oklch(80.9% 0.091 2.7)
-
Step 400
400
#E97698
oklch(70.7% 0.146 2.8)
-
Step 500
500
#DF4C7F
oklch(63.1% 0.187 2.8)
-
Step 600
600
#CA2568
oklch(55.6% 0.202 3)
-
Step 700
700
#AE1456
oklch(49.1% 0.187 3.2)
-
Step 800
800 (this color)
#901A49
oklch(43.5% 0.155 2.9)
-
Step 900
900
#721C3B
oklch(37.7% 0.122 3.3)
-
Step 950
950
#431223
oklch(27% 0.077 2.4)
#901A49 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) | #383D4A | 0.176 |
| Deuteranopia (no green cones) | #575446 | 0.159 |
| Tritanopia (no blue cones) | #9D002F | 0.045 |
| Achromatopsia (no color) | #4C4C4C | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901A49
#901A49
oklch(43.5% 0.155 2.9)
- #005F55
#005F55
oklch(43.6% 0.078 182.6)
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 #901A49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.018
- Berry #990F4B ΔE 0.019
- Purple Red #990147 ΔE 0.022
- Red Wine #8C0034 ΔE 0.035
- Cranberry #9E003A ΔE 0.036
- Dark Fuchsia #9D0759 ΔE 0.039
- Red Purple #820747 ΔE 0.040
- Deep Magenta #A0025C ΔE 0.046
Use #901A49 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.