#504489
Closest named color: Dark Slate Blue (#483D8B). oklch(43.4% 0.111 288.9), rgb(80, 68, 137).
Aa
White text reads best on this color (8.30:1).
About this color
#504489 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.111 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.025 away. White text reads best on it, at 8.30:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.52:1 |
| White text | 8.30:1 |
Values
| HEX | #504489 |
| RGB | rgb(80, 68, 137) |
| HSL | hsl(250, 34%, 40%) |
| OKLCH | oklch(43.4% 0.111 288.9) |
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 #504489 | 8.30:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #504489 | 2.52:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #504489 text on white | 8.30:1 | AAA | Lc 88.5 | Fine for body text |
| #504489 text on black | 2.52:1 | Fails | Lc -13.7 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E9E8F6
oklch(93.6% 0.019 289.3)
-
Step 200
200
#D8D6F0
oklch(88.6% 0.036 289.2)
-
Step 300
300
#BFBAE9
oklch(80.9% 0.066 289.7)
-
Step 400
400
#9E96DD
oklch(70.7% 0.103 288.6)
-
Step 500
500
#887AD4
oklch(63.1% 0.133 289.2)
-
Step 600
600
#7262C1
oklch(55.7% 0.143 288.6)
-
Step 700
700
#6050A7
oklch(49.1% 0.135 288.9)
-
Step 800
800 (this color)
#504489
oklch(43.4% 0.111 288.9)
-
Step 900
900
#41386C
oklch(37.6% 0.087 289.5)
-
Step 950
950
#26213F
oklch(26.9% 0.055 289.9)
#504489 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) | #29508B | 0.057 |
| Deuteranopia (no green cones) | #294C87 | 0.055 |
| Tritanopia (no blue cones) | #405260 | 0.092 |
| Achromatopsia (no color) | #4E4E4E | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #504489
#504489
oklch(43.4% 0.111 288.9)
- #555400
#555400
oklch(43.3% 0.094 109)
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 #504489, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.025
- Blueberry #464196 ΔE 0.029
- Twilight #4E518B ΔE 0.035
- Dusk #4E5481 ΔE 0.049
- Rebecca Purple #663399 ΔE 0.060
- Dusk Blue #26538D ΔE 0.063
- Cobalt #1E488F ΔE 0.064
- Denim Blue #3B5B92 ΔE 0.066
Use #504489 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.