#503B4F
Closest named color: Charcoal Grey (#3C4142). oklch(38.3% 0.043 327.9), rgb(80, 59, 79).
Aa
White text reads best on this color (10.09:1).
About this color
#503B4F is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.043 and its hue 328°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.048 away. White text reads best on it, at 10.09:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.07:1 |
| White text | 10.09:1 |
Values
| HEX | #503B4F |
| RGB | rgb(80, 59, 79) |
| HSL | hsl(303, 15%, 27%) |
| OKLCH | oklch(38.3% 0.043 327.9) |
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 #503B4F | 10.09:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #503B4F | 2.07:1 | Fails | Lc 10.5 | Not readable |
| #503B4F text on white | 10.09:1 | AAA | Lc 93.4 | Preferred for body text |
| #503B4F text on black | 2.07:1 | Fails | Lc -9.1 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#E0D5DF
oklch(88.5% 0.018 328.5)
-
Step 300
300
#CDBACB
oklch(81% 0.032 329.2)
-
Step 400
400
#B396B1
oklch(70.8% 0.051 328.3)
-
Step 500
500
#A07B9E
oklch(63% 0.067 328.1)
-
Step 600
600
#8B6489
oklch(55.6% 0.073 328.2)
-
Step 700
700
#765374
oklch(49.2% 0.067 328.5)
-
Step 800
800
#60445F
oklch(42.7% 0.056 327.7)
-
Step 900
900 (this color)
#503B4F
oklch(38.3% 0.043 327.9)
-
Step 950
950
#2E222D
oklch(27.1% 0.026 329)
#503B4F 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) | #3A4050 | 0.039 |
| Deuteranopia (no green cones) | #3F434E | 0.037 |
| Tritanopia (no blue cones) | #523D42 | 0.025 |
| Achromatopsia (no color) | #424242 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503B4F
#503B4F
oklch(38.3% 0.043 327.9)
- #334A36
#334A36
oklch(38.4% 0.044 148.1)
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 #503B4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.048
- Purple Brown #673A3F ΔE 0.050
- Onyx #343A40 ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.064
- Charcoal #264653 ΔE 0.068
- Dark Slate Gray #2F4F4F ΔE 0.077
- Dark Blue Grey #1F3B4D ΔE 0.077
- Brownish Purple #76424E ΔE 0.078
Use #503B4F 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.