#51353D
Closest named color: Purple Brown (#673A3F). oklch(36.5% 0.042 0.7), rgb(81, 53, 61).
Aa
White text reads best on this color (10.90:1).
About this color
#51353D is a dark, muted red. In OKLCH its lightness is 36%, its chroma 0.042 and its hue 1°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.048 away. White text reads best on it, at 10.90:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.92:1 |
| White text | 10.90:1 |
Values
| HEX | #51353D |
| RGB | rgb(81, 53, 61) |
| HSL | hsl(343, 21%, 26%) |
| OKLCH | oklch(36.5% 0.042 0.7) |
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 #51353D | 10.90:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #51353D | 1.92:1 | Fails | Lc 8.7 | Not readable |
| #51353D text on white | 10.90:1 | AAA | Lc 95.2 | Preferred for body text |
| #51353D text on black | 1.92:1 | Fails | Lc -7.5 | 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
#EFE7E9
oklch(93.5% 0.009 0.1)
-
Step 200
200
#E4D5D8
oklch(88.6% 0.017 3.7)
-
Step 300
300
#D3B9BF
oklch(81% 0.031 2.2)
-
Step 400
400
#BC949F
oklch(70.7% 0.05 0.2)
-
Step 500
500
#AB7987
oklch(63% 0.065 0.8)
-
Step 600
600
#966271
oklch(55.7% 0.07 0.8)
-
Step 700
700
#80515F
oklch(49.2% 0.066 0.5)
-
Step 800
800
#68424D
oklch(42.6% 0.055 0.9)
-
Step 900
900 (this color)
#51353D
oklch(36.5% 0.042 0.7)
-
Step 950
950
#322126
oklch(27.1% 0.027 359.8)
#51353D 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) | #393A3D | 0.045 |
| Deuteranopia (no green cones) | #3F3F3C | 0.044 |
| Tritanopia (no blue cones) | #563338 | 0.012 |
| Achromatopsia (no color) | #3D3D3D | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51353D
#51353D
oklch(36.5% 0.042 0.7)
- #23463F
#23463F
oklch(36.5% 0.043 179.3)
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 #51353D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.048
- Onyx #343A40 ΔE 0.052
- Gunmetal #293241 ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.079
- Charcoal #264653 ΔE 0.080
- Dark Grey Blue #29465B ΔE 0.081
- Dark Blue Grey #1F3B4D ΔE 0.082
Use #51353D 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.