#513759
Closest named color: Purple Brown (#673A3F). oklch(38.1% 0.065 318), rgb(81, 55, 89).
Aa
White text reads best on this color (10.29:1).
About this color
#513759 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.065 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.065 away. White text reads best on it, at 10.29:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.065) |
| Temperature | in between |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.04:1 |
| White text | 10.29:1 |
Values
| HEX | #513759 |
| RGB | rgb(81, 55, 89) |
| HSL | hsl(286, 24%, 28%) |
| OKLCH | oklch(38.1% 0.065 318) |
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 #513759 | 10.29:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #513759 | 2.04:1 | Fails | Lc 10.1 | Not readable |
| #513759 text on white | 10.29:1 | AAA | Lc 93.8 | Preferred for body text |
| #513759 text on black | 2.04:1 | Fails | Lc -8.7 | 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
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E1D4E5
oklch(88.5% 0.027 318.2)
-
Step 300
300
#CEB7D5
oklch(80.8% 0.049 318.3)
-
Step 400
400
#B591C1
oklch(70.6% 0.079 317.6)
-
Step 500
500
#A376B1
oklch(63.2% 0.1 318)
-
Step 600
600
#8E5E9C
oklch(55.7% 0.108 318.4)
-
Step 700
700
#784D86
oklch(49.1% 0.101 317.5)
-
Step 800
800
#623F6C
oklch(42.6% 0.084 318.5)
-
Step 900
900 (this color)
#513759
oklch(38.1% 0.065 318)
-
Step 950
950
#2F2034
oklch(27.1% 0.042 317.5)
#513759 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) | #323F5A | 0.055 |
| Deuteranopia (no green cones) | #394158 | 0.049 |
| Tritanopia (no blue cones) | #513B44 | 0.042 |
| Achromatopsia (no color) | #404040 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513759
#513759
oklch(38.1% 0.065 318)
- #314B28
#314B28
oklch(38.2% 0.065 138)
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 #513759, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.068
- Onyx #343A40 ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.073
- Grape Purple #5D1451 ΔE 0.078
- Charcoal #264653 ΔE 0.080
- Dark Blue Grey #1F3B4D ΔE 0.084
- Dark Slate Blue #483D8B ΔE 0.085
Use #513759 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.