#900F4B
Closest named color: Mulberry (#920A4E). oklch(42.9% 0.164 0.5), rgb(144, 15, 75).
Aa
White text reads best on this color (8.91:1).
About this color
#900F4B is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.164 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.007 away. White text reads best on it, at 8.91:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.35:1 |
| White text | 8.91:1 |
Values
| HEX | #900F4B |
| RGB | rgb(144, 15, 75) |
| HSL | hsl(332, 81%, 31%) |
| OKLCH | oklch(42.9% 0.164 0.5) |
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 #900F4B | 8.91:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #900F4B | 2.35:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #900F4B text on white | 8.91:1 | AAA | Lc 88.7 | Fine for body text |
| #900F4B text on black | 2.35:1 | Fails | Lc -13.5 | 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
#FBE3E9
oklch(93.7% 0.027 0.7)
-
Step 200
200
#F8CBD7
oklch(88.4% 0.053 0.4)
-
Step 300
300
#F5A7BD
oklch(81% 0.096 1)
-
Step 400
400
#EB739C
oklch(70.6% 0.154 0.2)
-
Step 500
500
#E14783
oklch(63.1% 0.196 0.7)
-
Step 600
600
#CC196D
oklch(55.5% 0.213 0.4)
-
Step 700
700
#B0015B
oklch(49% 0.198 0.4)
-
Step 800
800 (this color)
#900F4B
oklch(42.9% 0.164 0.5)
-
Step 900
900
#73183E
oklch(37.6% 0.128 0.4)
-
Step 950
950
#441124
oklch(27% 0.08 1.2)
#900F4B 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) | #333A4C | 0.187 |
| Deuteranopia (no green cones) | #555248 | 0.166 |
| Tritanopia (no blue cones) | #9D002D | 0.052 |
| Achromatopsia (no color) | #4A4A4A | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900F4B
#900F4B
oklch(42.9% 0.164 0.5)
- #005D52
#005D52
oklch(42.9% 0.077 181.2)
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 #900F4B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.007
- Purple Red #990147 ΔE 0.019
- Berry #990F4B ΔE 0.020
- Red Purple #820747 ΔE 0.033
- Dark Fuchsia #9D0759 ΔE 0.034
- Red Wine #8C0034 ΔE 0.036
- Cranberry #9E003A ΔE 0.039
- Wine #80013F ΔE 0.042
Use #900F4B 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.