#513128
Closest named color: Charcoal Grey (#3C4142). oklch(35% 0.05 36.5), rgb(81, 49, 40).
Aa
White text reads best on this color (11.53:1).
About this color
#513128 is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.050 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.060 away. White text reads best on it, at 11.53:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.81:1 |
| White text | 11.53:1 |
Values
| HEX | #513128 |
| RGB | rgb(81, 49, 40) |
| HSL | hsl(13, 34%, 24%) |
| OKLCH | oklch(35% 0.05 36.5) |
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 #513128 | 11.53:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #513128 | 1.81:1 | Fails | Lc 7.5 | Not readable |
| #513128 text on white | 11.53:1 | AAA | Lc 96.4 | Preferred for body text |
| #513128 text on black | 1.81:1 | 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
#F9F4F3
oklch(97.1% 0.006 31.1)
-
Step 100
100
#F1E7E5
oklch(93.5% 0.011 31.1)
-
Step 200
200
#E6D5D0
oklch(88.5% 0.02 37)
-
Step 300
300
#D7B9B0
oklch(80.9% 0.037 37.3)
-
Step 400
400
#C29487
oklch(70.7% 0.059 36.4)
-
Step 500
500
#B27969
oklch(63% 0.076 36.3)
-
Step 600
600
#9D6151
oklch(55.5% 0.083 35.7)
-
Step 700
700
#865041
oklch(49% 0.077 36.3)
-
Step 800
800
#6D4236
oklch(42.7% 0.063 36.4)
-
Step 900
900 (this color)
#513128
oklch(35% 0.05 36.5)
-
Step 950
950
#34211C
oklch(27% 0.031 35.3)
#513128 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) | #393527 | 0.047 |
| Deuteranopia (no green cones) | #403C28 | 0.045 |
| Tritanopia (no blue cones) | #582C2F | 0.025 |
| Achromatopsia (no color) | #393939 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #513128
#513128
oklch(35% 0.05 36.5)
- #16414B
#16414B
oklch(35% 0.05 215.8)
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 #513128, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.060
- Onyx #343A40 ΔE 0.061
- Purple Brown #673A3F ΔE 0.061
- Chestnut #742802 ΔE 0.076
- Reddy Brown #6E1005 ΔE 0.080
- Gunmetal #293241 ΔE 0.082
- Mud Brown #60460F ΔE 0.083
- Pakistan Green #283618 ΔE 0.084
Use #513128 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.