#901863
Closest named color: Red Violet (#9E0168). oklch(44.4% 0.168 348.3), rgb(144, 24, 99).
Aa
White text reads best on this color (8.41:1).
About this color
#901863 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.168 and its hue 348°. Its hue sits on the warm side of the wheel. The nearest named color is Red Violet (#9E0168), ΔE 0.030 away. White text reads best on it, at 8.41:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Red Violet (#9E0168) |
| Black text | 2.49:1 |
| White text | 8.41:1 |
Values
| HEX | #901863 |
| RGB | rgb(144, 24, 99) |
| HSL | hsl(323, 71%, 33%) |
| OKLCH | oklch(44.4% 0.168 348.3) |
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 #901863 | 8.41:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #901863 | 2.49:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #901863 text on white | 8.41:1 | AAA | Lc 87.5 | Fine for body text |
| #901863 text on black | 2.49:1 | Fails | Lc -14.6 | 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
#FDF2F7
oklch(97.1% 0.013 347.9)
-
Step 100
100
#F9E3ED
oklch(93.6% 0.027 348.3)
-
Step 200
200
#F6CBDF
oklch(88.5% 0.055 348.6)
-
Step 300
300
#F1A7CB
oklch(81% 0.098 348.8)
-
Step 400
400
#E674B1
oklch(70.8% 0.157 348.5)
-
Step 500
500
#DB489E
oklch(63.2% 0.201 348.3)
-
Step 600
600
#C61C89
oklch(55.6% 0.219 348.2)
-
Step 700
700
#AA0674
oklch(49% 0.203 348.1)
-
Step 800
800 (this color)
#901863
oklch(44.4% 0.168 348.3)
-
Step 900
900
#6F194D
oklch(37.6% 0.131 348.2)
-
Step 950
950
#42112D
oklch(27.1% 0.083 348.8)
#901863 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) | #2D4065 | 0.190 |
| Deuteranopia (no green cones) | #515560 | 0.166 |
| Tritanopia (no blue cones) | #9B103C | 0.067 |
| Achromatopsia (no color) | #4D4D4D | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #901863
#901863
oklch(44.4% 0.168 348.3)
- #00634A
#00634A
oklch(44.4% 0.09 168.1)
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 #901863, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Violet #9E0168 ΔE 0.030
- Dark Fuchsia #9D0759 ΔE 0.031
- Mulberry #920A4E ΔE 0.034
- Deep Magenta #A0025C ΔE 0.035
- Berry #990F4B ΔE 0.044
- Purple Red #990147 ΔE 0.048
- Violet Red #A50055 ΔE 0.049
- Red Purple #820747 ΔE 0.054
Use #901863 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.