#503F56
Closest named color: Charcoal Grey (#3C4142). oklch(39.5% 0.044 317.2), rgb(80, 63, 86).
Aa
White text reads best on this color (9.60:1).
About this color
#503F56 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.044 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.052 away. White text reads best on it, at 9.60:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.18:1 |
| White text | 9.60:1 |
Values
| HEX | #503F56 |
| RGB | rgb(80, 63, 86) |
| HSL | hsl(284, 15%, 29%) |
| OKLCH | oklch(39.5% 0.044 317.2) |
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 #503F56 | 9.60:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #503F56 | 2.18:1 | Fails | Lc 11.7 | Not readable |
| #503F56 text on white | 9.60:1 | AAA | Lc 92.2 | Preferred for body text |
| #503F56 text on black | 2.18:1 | Fails | Lc -10.2 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#ECE8EE
oklch(93.6% 0.009 314.8)
-
Step 200
200
#DED6E1
oklch(88.6% 0.017 316.9)
-
Step 300
300
#C9BACF
oklch(80.8% 0.033 316.4)
-
Step 400
400
#AE97B7
oklch(70.7% 0.053 316.5)
-
Step 500
500
#9A7DA5
oklch(63.1% 0.067 316.6)
-
Step 600
600
#856690
oklch(55.7% 0.073 317.1)
-
Step 700
700
#70547A
oklch(48.9% 0.068 317)
-
Step 800
800
#5C4563
oklch(42.7% 0.056 318.2)
-
Step 900
900 (this color)
#503F56
oklch(39.5% 0.044 317.2)
-
Step 950
950
#2C222F
oklch(26.9% 0.028 318.3)
#503F56 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) | #3C4457 | 0.035 |
| Deuteranopia (no green cones) | #404555 | 0.032 |
| Tritanopia (no blue cones) | #504247 | 0.030 |
| Achromatopsia (no color) | #454545 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503F56
#503F56
oklch(39.5% 0.044 317.2)
- #3B4C35
#3B4C35
oklch(39.5% 0.043 137.7)
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 #503F56, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.052
- Purple Brown #673A3F ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.060
- Onyx #343A40 ΔE 0.064
- Charcoal #264653 ΔE 0.065
- Dark Slate Gray #2F4F4F ΔE 0.072
- Brownish Purple #76424E ΔE 0.075
- Dusty Grape #545775 ΔE 0.077
Use #503F56 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.