#513843
Closest named color: Purple Brown (#673A3F). oklch(37.3% 0.039 351.1), rgb(81, 56, 67).
Aa
White text reads best on this color (10.51:1).
About this color
#513843 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.039 and its hue 351°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.045 away. White text reads best on it, at 10.51:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.99:1 |
| White text | 10.51:1 |
Values
| HEX | #513843 |
| RGB | rgb(81, 56, 67) |
| HSL | hsl(334, 18%, 27%) |
| OKLCH | oklch(37.3% 0.039 351.1) |
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 #513843 | 10.51:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #513843 | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #513843 text on white | 10.51:1 | AAA | Lc 94.4 | Preferred for body text |
| #513843 text on black | 1.99:1 | Fails | Lc -8.2 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#EFE8EA
oklch(93.7% 0.008 357.8)
-
Step 200
200
#E2D5DA
oklch(88.5% 0.016 352)
-
Step 300
300
#D1B9C3
oklch(80.9% 0.03 350.7)
-
Step 400
400
#B995A4
oklch(70.7% 0.048 351.5)
-
Step 500
500
#A77B8E
oklch(63.2% 0.06 351.3)
-
Step 600
600
#916378
oklch(55.5% 0.066 350.5)
-
Step 700
700
#7C5265
oklch(49.1% 0.062 350.9)
-
Step 800
800
#654452
oklch(42.8% 0.05 352.3)
-
Step 900
900 (this color)
#513843
oklch(37.3% 0.039 351.1)
-
Step 950
950
#302128
oklch(26.9% 0.026 349.4)
#513843 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) | #3A3D43 | 0.042 |
| Deuteranopia (no green cones) | #404142 | 0.040 |
| Tritanopia (no blue cones) | #55373C | 0.013 |
| Achromatopsia (no color) | #3F3F3F | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513843
#513843
oklch(37.3% 0.039 351.1)
- #2A473E
#2A473E
oklch(37.2% 0.038 172.5)
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 #513843, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.045
- Onyx #343A40 ΔE 0.052
- Charcoal #264653 ΔE 0.074
- Dark Grey Blue #29465B ΔE 0.074
- Gunmetal #293241 ΔE 0.076
- Dark Blue Grey #1F3B4D ΔE 0.079
- Dark Slate Gray #2F4F4F ΔE 0.081
Use #513843 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.