#503291
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.149 293.2), rgb(80, 50, 145).
Aa
White text reads best on this color (9.51:1).
About this color
#503291 is a dark, vivid purple. In OKLCH its lightness is 41%, its chroma 0.149 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.030 away. White text reads best on it, at 9.51:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.20:1 |
| White text | 9.51:1 |
Values
| HEX | #503291 |
| RGB | rgb(80, 50, 145) |
| HSL | hsl(259, 49%, 38%) |
| OKLCH | oklch(40.8% 0.149 293.2) |
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 #503291 | 9.51:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #503291 | 2.20:1 | Fails | Lc 12.4 | Not readable |
| #503291 text on white | 9.51:1 | AAA | Lc 91.6 | Preferred for body text |
| #503291 text on black | 2.20:1 | Fails | Lc -10.8 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#EAE7FA
oklch(93.6% 0.026 293.1)
-
Step 200
200
#DAD4F7
oklch(88.6% 0.048 293.3)
-
Step 300
300
#C2B6F4
oklch(80.8% 0.087 293.2)
-
Step 400
400
#A58EEF
oklch(70.7% 0.14 293.4)
-
Step 500
500
#906FE9
oklch(63.1% 0.177 293.1)
-
Step 600
600
#7C53D7
oklch(55.6% 0.193 293.4)
-
Step 700
700
#6943BB
oklch(49.2% 0.179 293.2)
-
Step 800
800 (this color)
#503291
oklch(40.8% 0.149 293.2)
-
Step 900
900
#463178
oklch(37.6% 0.116 293.7)
-
Step 950
950
#291E46
oklch(27.1% 0.072 293.7)
#503291 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) | #004794 | 0.092 |
| Deuteranopia (no green cones) | #00448F | 0.092 |
| Tritanopia (no blue cones) | #3E485D | 0.117 |
| Achromatopsia (no color) | #454545 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503291
#503291
oklch(40.8% 0.149 293.2)
- #4A4E00
#4A4E00
oklch(40.6% 0.091 113.1)
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 #503291, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.030
- Blueberry #464196 ΔE 0.038
- Rebecca Purple #663399 ΔE 0.044
- Chrysanthemum #560BAD ΔE 0.066
- Imperial Purple #480CA8 ΔE 0.068
- Indigo #4B0082 ΔE 0.079
- Indigo Blue #3A18B1 ΔE 0.081
- Twilight #4E518B ΔE 0.081
Use #503291 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.