#900F5A
Closest named color: Mulberry (#920A4E). oklch(43.5% 0.17 352.4), rgb(144, 15, 90).
Aa
White text reads best on this color (8.74:1).
About this color
#900F5A is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.170 and its hue 352°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.020 away. White text reads best on it, at 8.74:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.40:1 |
| White text | 8.74:1 |
Values
| HEX | #900F5A |
| RGB | rgb(144, 15, 90) |
| HSL | hsl(325, 81%, 31%) |
| OKLCH | oklch(43.5% 0.17 352.4) |
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 #900F5A | 8.74:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #900F5A | 2.40:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #900F5A text on white | 8.74:1 | AAA | Lc 88.2 | Fine for body text |
| #900F5A text on black | 2.40:1 | 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
#FDF2F6
oklch(97.1% 0.013 353.1)
-
Step 100
100
#FAE2EC
oklch(93.5% 0.029 350.5)
-
Step 200
200
#F7CBDD
oklch(88.5% 0.055 351.8)
-
Step 300
300
#F3A6C7
oklch(80.9% 0.099 352.2)
-
Step 400
400
#E972AA
oklch(70.7% 0.159 352.4)
-
Step 500
500
#DF4595
oklch(63.2% 0.203 352.6)
-
Step 600
600
#CA1480
oklch(55.6% 0.222 352.3)
-
Step 700
700
#AD006C
oklch(49.1% 0.203 352.2)
-
Step 800
800 (this color)
#900F5A
oklch(43.5% 0.17 352.4)
-
Step 900
900
#721748
oklch(37.7% 0.133 352.7)
-
Step 950
950
#43102A
oklch(27% 0.084 352.8)
#900F5A 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) | #2D3C5C | 0.194 |
| Deuteranopia (no green cones) | #515357 | 0.170 |
| Tritanopia (no blue cones) | #9C0035 | 0.064 |
| Achromatopsia (no color) | #4B4B4B | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900F5A
#900F5A
oklch(43.5% 0.17 352.4)
- #00604C
#00604C
oklch(43.6% 0.084 172.1)
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 #900F5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.020
- Dark Fuchsia #9D0759 ΔE 0.027
- Deep Magenta #A0025C ΔE 0.033
- Berry #990F4B ΔE 0.034
- Red Violet #9E0168 ΔE 0.036
- Purple Red #990147 ΔE 0.036
- Red Purple #820747 ΔE 0.042
- Violet Red #A50055 ΔE 0.045
Use #900F5A 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.