#90004C
Closest named color: Mulberry (#920A4E). oklch(42.4% 0.172 359), rgb(144, 0, 76).
Aa
White text reads best on this color (9.16:1).
About this color
#90004C is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.172 and its hue 359°. Its hue sits on the warm side of the wheel. The nearest named color is Mulberry (#920A4E), ΔE 0.009 away. White text reads best on it, at 9.16:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.172) |
| Temperature | warm |
| Nearest name | Mulberry (#920A4E) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #90004C |
| RGB | rgb(144, 0, 76) |
| HSL | hsl(328, 100%, 28%) |
| OKLCH | oklch(42.4% 0.172 359) |
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 #90004C | 9.16:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #90004C | 2.29:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #90004C text on white | 9.16:1 | AAA | Lc 88.8 | Fine for body text |
| #90004C text on black | 2.29:1 | Fails | Lc -13.4 | 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
#FEF2F5
oklch(97.1% 0.013 0.3)
-
Step 100
100
#FBE2E9
oklch(93.5% 0.029 358.8)
-
Step 200
200
#FACAD8
oklch(88.5% 0.057 359)
-
Step 300
300
#F6A5BF
oklch(80.8% 0.101 358.8)
-
Step 400
400
#EE709E
oklch(70.7% 0.162 359.1)
-
Step 500
500
#E44187
oklch(63.1% 0.206 358.8)
-
Step 600
600
#CF0670
oklch(55.6% 0.224 359.1)
-
Step 700
700
#B0005E
oklch(49.1% 0.2 359.1)
-
Step 800
800 (this color)
#90004C
oklch(42.4% 0.172 359)
-
Step 900
900
#751440
oklch(37.7% 0.135 359)
-
Step 950
950
#450F25
oklch(27% 0.085 359.7)
#90004C 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) | #2E384D | 0.198 |
| Deuteranopia (no green cones) | #535149 | 0.174 |
| Tritanopia (no blue cones) | #9D002A | 0.061 |
| Achromatopsia (no color) | #484848 | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #90004C
#90004C
oklch(42.4% 0.172 359)
- #005C4F
#005C4F
oklch(42.5% 0.078 178.8)
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 #90004C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mulberry #920A4E ΔE 0.009
- Purple Red #990147 ΔE 0.023
- Berry #990F4B ΔE 0.026
- Red Purple #820747 ΔE 0.030
- Dark Fuchsia #9D0759 ΔE 0.034
- Red Wine #8C0034 ΔE 0.039
- Wine #80013F ΔE 0.040
- Deep Magenta #A0025C ΔE 0.041
Use #90004C 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.