#51343F
Closest named color: Purple Brown (#673A3F). oklch(36.3% 0.045 355.1), rgb(81, 52, 63).
Aa
White text reads best on this color (10.97:1).
About this color
#51343F is a dark, muted red. In OKLCH its lightness is 36%, its chroma 0.045 and its hue 355°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.049 away. White text reads best on it, at 10.97:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | muted (0.045) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.91:1 |
| White text | 10.97:1 |
Values
| HEX | #51343F |
| RGB | rgb(81, 52, 63) |
| HSL | hsl(337, 22%, 26%) |
| OKLCH | oklch(36.3% 0.045 355.1) |
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 #51343F | 10.97:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #51343F | 1.91:1 | Fails | Lc 8.6 | Not readable |
| #51343F text on white | 10.97:1 | AAA | Lc 95.3 | Preferred for body text |
| #51343F text on black | 1.91:1 | Fails | Lc -7.3 | 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
#F0E7EA
oklch(93.6% 0.011 354.9)
-
Step 200
200
#E4D4DA
oklch(88.5% 0.019 352.7)
-
Step 300
300
#D3B8C1
oklch(80.8% 0.033 355.7)
-
Step 400
400
#BD93A2
oklch(70.7% 0.054 355.3)
-
Step 500
500
#AB788B
oklch(63% 0.068 355.2)
-
Step 600
600
#966175
oklch(55.6% 0.074 355.5)
-
Step 700
700
#805063
oklch(49.1% 0.069 354.6)
-
Step 800
800
#684250
oklch(42.7% 0.056 356)
-
Step 900
900 (this color)
#51343F
oklch(36.3% 0.045 355.1)
-
Step 950
950
#322127
oklch(27.1% 0.028 356.2)
#51343F 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) | #37393F | 0.049 |
| Deuteranopia (no green cones) | #3E3E3E | 0.045 |
| Tritanopia (no blue cones) | #553338 | 0.013 |
| Achromatopsia (no color) | #3C3C3C | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51343F
#51343F
oklch(36.3% 0.045 355.1)
- #22463D
#22463D
oklch(36.4% 0.045 175.5)
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 #51343F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.051
- Onyx #343A40 ΔE 0.053
- Gunmetal #293241 ΔE 0.073
- Space Cadet #2B2D42 ΔE 0.077
- Charcoal #264653 ΔE 0.081
- Dark Blue Grey #1F3B4D ΔE 0.082
- Dark Grey Blue #29465B ΔE 0.082
Use #51343F 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.