#513237
Closest named color: Purple Brown (#673A3F). oklch(35.6% 0.046 9.1), rgb(81, 50, 55).
Aa
White text reads best on this color (11.28:1).
About this color
#513237 is a dark, muted red. In OKLCH its lightness is 36%, its chroma 0.046 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.052 away. White text reads best on it, at 11.28:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.86:1 |
| White text | 11.28:1 |
Values
| HEX | #513237 |
| RGB | rgb(81, 50, 55) |
| HSL | hsl(350, 24%, 26%) |
| OKLCH | oklch(35.6% 0.046 9.1) |
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 #513237 | 11.28:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #513237 | 1.86:1 | Fails | Lc 8.0 | Not readable |
| #513237 text on white | 11.28:1 | AAA | Lc 95.9 | Preferred for body text |
| #513237 text on black | 1.86:1 | Fails | Lc 0.0 | 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
#F8F4F5
oklch(97.1% 0.004 360)
-
Step 100
100
#F0E7E8
oklch(93.5% 0.01 9.5)
-
Step 200
200
#E5D4D6
oklch(88.4% 0.019 9.4)
-
Step 300
300
#D5B8BC
oklch(80.9% 0.034 8.4)
-
Step 400
400
#C09399
oklch(70.7% 0.055 9.6)
-
Step 500
500
#AF7880
oklch(63.1% 0.07 9.7)
-
Step 600
600
#9A606A
oklch(55.6% 0.076 8.6)
-
Step 700
700
#834F58
oklch(49% 0.071 8.8)
-
Step 800
800
#6B4148
oklch(42.7% 0.059 9)
-
Step 900
900 (this color)
#513237
oklch(35.6% 0.046 9.1)
-
Step 950
950
#332123
oklch(27.1% 0.028 11.8)
#513237 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) | #373737 | 0.050 |
| Deuteranopia (no green cones) | #3F3D36 | 0.046 |
| Tritanopia (no blue cones) | #562F34 | 0.012 |
| Achromatopsia (no color) | #3B3B3B | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513237
#513237
oklch(35.6% 0.046 9.1)
- #1C4441
#1C4441
oklch(35.7% 0.045 188.8)
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 #513237, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.054
- Onyx #343A40 ΔE 0.055
- Gunmetal #293241 ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.078
- Dark Blue Grey #1F3B4D ΔE 0.086
- Chestnut #742802 ΔE 0.086
- Charcoal #264653 ΔE 0.087
Use #513237 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.