#503D59
Closest named color: Charcoal Grey (#3C4142). oklch(39.2% 0.052 314.7), rgb(80, 61, 89).
Aa
White text reads best on this color (9.75:1).
About this color
#503D59 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.052 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 0.058 away. White text reads best on it, at 9.75:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.15:1 |
| White text | 9.75:1 |
Values
| HEX | #503D59 |
| RGB | rgb(80, 61, 89) |
| HSL | hsl(281, 19%, 29%) |
| OKLCH | oklch(39.2% 0.052 314.7) |
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 #503D59 | 9.75:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #503D59 | 2.15:1 | Fails | Lc 11.4 | Not readable |
| #503D59 text on white | 9.75:1 | AAA | Lc 92.6 | Preferred for body text |
| #503D59 text on black | 2.15:1 | Fails | Lc -9.9 | 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
#DFD5E3
oklch(88.5% 0.022 316.5)
-
Step 300
300
#CABAD2
oklch(81% 0.038 314.6)
-
Step 400
400
#AF95BC
oklch(70.6% 0.063 314.4)
-
Step 500
500
#9C7BAB
oklch(63.1% 0.08 315.1)
-
Step 600
600
#866397
oklch(55.5% 0.088 314.3)
-
Step 700
700
#725280
oklch(49.1% 0.081 315.2)
-
Step 800
800
#5D4468
oklch(42.8% 0.066 315.2)
-
Step 900
900 (this color)
#503D59
oklch(39.2% 0.052 314.7)
-
Step 950
950
#2C2232
oklch(27.1% 0.032 312.5)
#503D59 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) | #39435A | 0.040 |
| Deuteranopia (no green cones) | #3D4458 | 0.037 |
| Tritanopia (no blue cones) | #504047 | 0.035 |
| Achromatopsia (no color) | #444444 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #503D59
#503D59
oklch(39.2% 0.052 314.7)
- #3A4C2F
#3A4C2F
oklch(39.3% 0.052 134.2)
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 #503D59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.058
- Purple Brown #673A3F ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.062
- Onyx #343A40 ΔE 0.067
- Charcoal #264653 ΔE 0.069
- Brownish Purple #76424E ΔE 0.078
- Dark Slate Gray #2F4F4F ΔE 0.079
- Dusty Grape #545775 ΔE 0.080
Use #503D59 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.