#503C59
Closest named color: Charcoal Grey (#3C4142). oklch(39% 0.054 315.1), rgb(80, 60, 89).
Aa
White text reads best on this color (9.85:1).
About this color
#503C59 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.054 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.059 away. White text reads best on it, at 9.85:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.054) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.13:1 |
| White text | 9.85:1 |
Values
| HEX | #503C59 |
| RGB | rgb(80, 60, 89) |
| HSL | hsl(281, 19%, 29%) |
| OKLCH | oklch(39% 0.054 315.1) |
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 #503C59 | 9.85:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #503C59 | 2.13:1 | Fails | Lc 11.1 | Not readable |
| #503C59 text on white | 9.85:1 | AAA | Lc 92.8 | Preferred for body text |
| #503C59 text on black | 2.13:1 | Fails | Lc -9.6 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE8EF
oklch(93.7% 0.011 316.5)
-
Step 200
200
#DFD5E4
oklch(88.5% 0.023 314.7)
-
Step 300
300
#CBB9D3
oklch(80.9% 0.041 315.6)
-
Step 400
400
#B095BD
oklch(70.7% 0.065 314.7)
-
Step 500
500
#9D7AAC
oklch(63.1% 0.083 315.5)
-
Step 600
600
#876398
oklch(55.7% 0.09 314.5)
-
Step 700
700
#735181
oklch(49% 0.085 315.7)
-
Step 800
800
#5D4369
oklch(42.7% 0.069 314.8)
-
Step 900
900 (this color)
#503C59
oklch(39% 0.054 315.1)
-
Step 950
950
#2D2132
oklch(27% 0.035 315.8)
#503C59 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) | #38425A | 0.042 |
| Deuteranopia (no green cones) | #3C4458 | 0.040 |
| Tritanopia (no blue cones) | #504046 | 0.038 |
| Achromatopsia (no color) | #434343 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503C59
#503C59
oklch(39% 0.054 315.1)
- #384C2E
#384C2E
oklch(39.1% 0.055 135.6)
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 #503C59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.059
- Purple Brown #673A3F ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.063
- Onyx #343A40 ΔE 0.067
- Charcoal #264653 ΔE 0.071
- Brownish Purple #76424E ΔE 0.080
- Dark Slate Gray #2F4F4F ΔE 0.081
- Dark Blue Grey #1F3B4D ΔE 0.081
Use #503C59 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.