#900F59
Closest named color: Mulberry (#920A4E). oklch(43.5% 0.17 353), rgb(144, 15, 89).
Aa
White text reads best on this color (8.75:1).
About this color
#900F59 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.170 and its hue 353°. 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 8.75:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.170) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.39:1 |
| White text | 8.75:1 |
Values
| HEX | #900F59 |
| RGB | rgb(144, 15, 89) |
| HSL | hsl(326, 81%, 31%) |
| OKLCH | oklch(43.5% 0.17 353) |
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 #900F59 | 8.75:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #900F59 | 2.39:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #900F59 text on white | 8.75:1 | AAA | Lc 88.3 | Fine for body text |
| #900F59 text on black | 2.39:1 | 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
#FAE2EB
oklch(93.5% 0.029 352.9)
-
Step 200
200
#F8CBDC
oklch(88.6% 0.055 353.6)
-
Step 300
300
#F3A6C6
oklch(80.9% 0.099 352.9)
-
Step 400
400
#E972A9
oklch(70.6% 0.158 352.9)
-
Step 500
500
#DF4594
oklch(63.1% 0.203 353)
-
Step 600
600
#CA157E
oklch(55.6% 0.22 353.1)
-
Step 700
700
#AD006B
oklch(49% 0.203 352.6)
-
Step 800
800 (this color)
#900F59
oklch(43.5% 0.17 353)
-
Step 900
900
#721748
oklch(37.7% 0.133 352.7)
-
Step 950
950
#43102A
oklch(27% 0.084 352.8)
#900F59 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) | #2E3C5B | 0.193 |
| Deuteranopia (no green cones) | #525356 | 0.169 |
| Tritanopia (no blue cones) | #9C0035 | 0.062 |
| Achromatopsia (no color) | #4B4B4B | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #900F59
#900F59
oklch(43.5% 0.17 353)
- #00604D
#00604D
oklch(43.6% 0.084 173.1)
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 #900F59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.018
- Dark Fuchsia #9D0759 ΔE 0.027
- Berry #990F4B ΔE 0.032
- Deep Magenta #A0025C ΔE 0.033
- Purple Red #990147 ΔE 0.035
- Red Violet #9E0168 ΔE 0.037
- Red Purple #820747 ΔE 0.041
- Violet Red #A50055 ΔE 0.045
Use #900F59 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.