#503A57
Closest named color: Charcoal Grey (#3C4142). oklch(38.5% 0.056 317.8), rgb(80, 58, 87).
Aa
White text reads best on this color (10.07:1).
About this color
#503A57 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.056 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.060 away. White text reads best on it, at 10.07:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.08:1 |
| White text | 10.07:1 |
Values
| HEX | #503A57 |
| RGB | rgb(80, 58, 87) |
| HSL | hsl(286, 20%, 28%) |
| OKLCH | oklch(38.5% 0.056 317.8) |
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 #503A57 | 10.07:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #503A57 | 2.08:1 | Fails | Lc 10.6 | Not readable |
| #503A57 text on white | 10.07:1 | AAA | Lc 93.3 | Preferred for body text |
| #503A57 text on black | 2.08:1 | Fails | Lc -9.2 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE7EF
oklch(93.5% 0.012 317.7)
-
Step 200
200
#E0D5E3
oklch(88.6% 0.022 319)
-
Step 300
300
#CCB9D3
oklch(81% 0.042 317)
-
Step 400
400
#B294BC
oklch(70.7% 0.066 317.6)
-
Step 500
500
#9F79AB
oklch(63.1% 0.085 317.9)
-
Step 600
600
#8A6197
oklch(55.6% 0.094 317.8)
-
Step 700
700
#755080
oklch(49% 0.086 318.3)
-
Step 800
800
#5F4268
oklch(42.6% 0.071 318)
-
Step 900
900 (this color)
#503A57
oklch(38.5% 0.056 317.8)
-
Step 950
950
#2E2132
oklch(27.1% 0.036 318.1)
#503A57 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) | #364058 | 0.046 |
| Deuteranopia (no green cones) | #3B4356 | 0.043 |
| Tritanopia (no blue cones) | #503D44 | 0.037 |
| Achromatopsia (no color) | #424242 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503A57
#503A57
oklch(38.5% 0.056 317.8)
- #354B2D
#354B2D
oklch(38.6% 0.056 137.6)
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 #503A57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.060
- Purple Brown #673A3F ΔE 0.060
- Onyx #343A40 ΔE 0.066
- Dark Grey Blue #29465B ΔE 0.066
- Charcoal #264653 ΔE 0.072
- Dark Blue Grey #1F3B4D ΔE 0.080
- Brownish Purple #76424E ΔE 0.082
- Gunmetal #293241 ΔE 0.084
Use #503A57 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.