#503D60
Closest named color: Dark Grey Blue (#29465B). oklch(39.5% 0.062 308.6), rgb(80, 61, 96).
Aa
White text reads best on this color (9.64:1).
About this color
#503D60 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.062 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.065 away. White text reads best on it, at 9.64:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.17:1 |
| White text | 9.64:1 |
Values
| HEX | #503D60 |
| RGB | rgb(80, 61, 96) |
| HSL | hsl(273, 22%, 31%) |
| OKLCH | oklch(39.5% 0.062 308.6) |
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 #503D60 | 9.64:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #503D60 | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #503D60 text on white | 9.64:1 | AAA | Lc 92.3 | Preferred for body text |
| #503D60 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DED5E7
oklch(88.6% 0.026 308.1)
-
Step 300
300
#C9B9D8
oklch(80.9% 0.046 308.5)
-
Step 400
400
#AE94C5
oklch(70.7% 0.076 308.6)
-
Step 500
500
#9A79B6
oklch(63.1% 0.096 308.6)
-
Step 600
600
#8562A1
oklch(55.7% 0.102 308.9)
-
Step 700
700
#70518A
oklch(49.1% 0.095 308.3)
-
Step 800
800
#5B4270
oklch(42.6% 0.08 308.3)
-
Step 900
900 (this color)
#503D60
oklch(39.5% 0.062 308.6)
-
Step 950
950
#2C2135
oklch(27% 0.039 309.1)
#503D60 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) | #364461 | 0.045 |
| Deuteranopia (no green cones) | #3A455F | 0.042 |
| Tritanopia (no blue cones) | #4E424A | 0.045 |
| Achromatopsia (no color) | #454545 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503D60
#503D60
oklch(39.5% 0.062 308.6)
- #3C4D28
#3C4D28
oklch(39.6% 0.062 129.1)
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 #503D60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.068
- Purple Brown #673A3F ΔE 0.068
- Charcoal #264653 ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.074
- Dusk #4E5481 ΔE 0.076
- Onyx #343A40 ΔE 0.076
- Dusty Grape #545775 ΔE 0.077
Use #503D60 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.