#503C64
Closest named color: Dark Slate Blue (#483D8B). oklch(39.5% 0.07 306.4), rgb(80, 60, 100).
Aa
White text reads best on this color (9.67:1).
About this color
#503C64 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.070 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.067 away. White text reads best on it, at 9.67:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.070) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.17:1 |
| White text | 9.67:1 |
Values
| HEX | #503C64 |
| RGB | rgb(80, 60, 100) |
| HSL | hsl(270, 25%, 31%) |
| OKLCH | oklch(39.5% 0.07 306.4) |
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 #503C64 | 9.67:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #503C64 | 2.17:1 | Fails | Lc 11.6 | Not readable |
| #503C64 text on white | 9.67:1 | AAA | Lc 92.3 | Preferred for body text |
| #503C64 text on black | 2.17:1 | Fails | Lc -10.1 | 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 900.
-
Step 50
50
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE7F2
oklch(93.5% 0.016 306.4)
-
Step 200
200
#DED5E9
oklch(88.6% 0.029 306)
-
Step 300
300
#C9B8DC
oklch(80.8% 0.053 306.5)
-
Step 400
400
#AE93CA
oklch(70.7% 0.084 306.7)
-
Step 500
500
#9A78BC
oklch(63.1% 0.106 306.5)
-
Step 600
600
#8560A9
oklch(55.7% 0.116 306.3)
-
Step 700
700
#704F91
oklch(49.2% 0.108 305.9)
-
Step 800
800
#5C4175
oklch(42.8% 0.089 306.9)
-
Step 900
900 (this color)
#503C64
oklch(39.5% 0.07 306.4)
-
Step 950
950
#2C2037
oklch(26.9% 0.045 307.6)
#503C64 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) | #334466 | 0.049 |
| Deuteranopia (no green cones) | #384563 | 0.045 |
| Tritanopia (no blue cones) | #4D424B | 0.052 |
| Achromatopsia (no color) | #444444 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503C64
#503C64
oklch(39.5% 0.07 306.4)
- #3D4D21
#3D4D21
oklch(39.5% 0.07 126)
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 #503C64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.067
- Dark Grey Blue #29465B ΔE 0.068
- Purple Brown #673A3F ΔE 0.074
- Dusk #4E5481 ΔE 0.075
- Charcoal Grey #3C4142 ΔE 0.075
- Twilight #4E518B ΔE 0.078
- Charcoal #264653 ΔE 0.079
- Dusty Grape #545775 ΔE 0.079
Use #503C64 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.