#51323F
Closest named color: Purple Brown (#673A3F). oklch(35.9% 0.049 353.1), rgb(81, 50, 63).
Aa
White text reads best on this color (11.18:1).
About this color
#51323F is a dark, muted red. In OKLCH its lightness is 36%, its chroma 0.049 and its hue 353°. 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 11.18:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.87:1 |
| White text | 11.18:1 |
Values
| HEX | #51323F |
| RGB | rgb(81, 50, 63) |
| HSL | hsl(335, 24%, 26%) |
| OKLCH | oklch(35.9% 0.049 353.1) |
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 #51323F | 11.18:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #51323F | 1.87:1 | Fails | Lc 8.2 | Not readable |
| #51323F text on white | 11.18:1 | AAA | Lc 95.7 | Preferred for body text |
| #51323F text on black | 1.87:1 | 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
#F8F4F6
oklch(97.1% 0.005 345.3)
-
Step 100
100
#F0E7EA
oklch(93.6% 0.011 354.9)
-
Step 200
200
#E5D4DA
oklch(88.5% 0.02 354.1)
-
Step 300
300
#D5B7C2
oklch(80.8% 0.037 353.9)
-
Step 400
400
#BF92A4
oklch(70.8% 0.059 352.9)
-
Step 500
500
#AE778D
oklch(63.2% 0.075 353.8)
-
Step 600
600
#985F77
oklch(55.5% 0.08 353.2)
-
Step 700
700
#824E64
oklch(49.1% 0.076 353.3)
-
Step 800
800
#6A4052
oklch(42.7% 0.064 352.9)
-
Step 900
900 (this color)
#51323F
oklch(35.9% 0.049 353.1)
-
Step 950
950
#322028
oklch(26.9% 0.031 351.1)
#51323F 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) | #35383F | 0.053 |
| Deuteranopia (no green cones) | #3D3D3E | 0.048 |
| Tritanopia (no blue cones) | #563137 | 0.016 |
| Achromatopsia (no color) | #3B3B3B | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51323F
#51323F
oklch(35.9% 0.049 353.1)
- #1E453A
#1E453A
oklch(35.8% 0.049 172.7)
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 #51323F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.052
- Onyx #343A40 ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.056
- Gunmetal #293241 ΔE 0.073
- Space Cadet #2B2D42 ΔE 0.075
- Dark Blue Grey #1F3B4D ΔE 0.083
- Grape Purple #5D1451 ΔE 0.084
- Charcoal #264653 ΔE 0.084
Use #51323F 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.