#503F5A
Closest named color: Charcoal Grey (#3C4142). oklch(39.7% 0.049 312.7), rgb(80, 63, 90).
Aa
White text reads best on this color (9.54:1).
About this color
#503F5A is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.049 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.057 away. White text reads best on it, at 9.54:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.19:1 |
| White text | 9.54:1 |
Values
| HEX | #503F5A |
| RGB | rgb(80, 63, 90) |
| HSL | hsl(278, 18%, 30%) |
| OKLCH | oklch(39.7% 0.049 312.7) |
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 #503F5A | 9.54:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #503F5A | 2.19:1 | Fails | Lc 11.9 | Not readable |
| #503F5A text on white | 9.54:1 | AAA | Lc 92.1 | Preferred for body text |
| #503F5A text on black | 2.19:1 | Fails | Lc -10.3 | 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
#F6F4F8
oklch(97% 0.006 308.4)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DED5E3
oklch(88.4% 0.021 313.8)
-
Step 300
300
#C9BAD2
oklch(80.9% 0.037 313)
-
Step 400
400
#AD96BC
oklch(70.6% 0.06 311.9)
-
Step 500
500
#997CAB
oklch(63% 0.076 312.2)
-
Step 600
600
#846596
oklch(55.6% 0.082 312.6)
-
Step 700
700
#705480
oklch(49.2% 0.076 312.8)
-
Step 800
800
#5B4568
oklch(42.8% 0.063 312.5)
-
Step 900
900 (this color)
#503F5A
oklch(39.7% 0.049 312.7)
-
Step 950
950
#2C2231
oklch(27% 0.031 314.3)
#503F5A 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) | #3B445B | 0.036 |
| Deuteranopia (no green cones) | #3F4659 | 0.034 |
| Tritanopia (no blue cones) | #4F4249 | 0.033 |
| Achromatopsia (no color) | #454545 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503F5A
#503F5A
oklch(39.7% 0.049 312.7)
- #3C4D31
#3C4D31
oklch(39.7% 0.05 133.7)
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 #503F5A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.057
- Purple Brown #673A3F ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.060
- Charcoal #264653 ΔE 0.067
- Onyx #343A40 ΔE 0.069
- Dark Slate Gray #2F4F4F ΔE 0.075
- Dusty Grape #545775 ΔE 0.075
- Brownish Purple #76424E ΔE 0.076
Use #503F5A 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.