#51332B
Closest named color: Charcoal Grey (#3C4142). oklch(35.5% 0.046 35.6), rgb(81, 51, 43).
Aa
White text reads best on this color (11.30:1).
About this color
#51332B is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.046 and its hue 36°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.055 away. White text reads best on it, at 11.30:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.85:1 |
| White text | 11.30:1 |
Values
| HEX | #51332B |
| RGB | rgb(81, 51, 43) |
| HSL | hsl(13, 31%, 24%) |
| OKLCH | oklch(35.5% 0.046 35.6) |
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 #51332B | 11.30:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #51332B | 1.85:1 | Fails | Lc 7.9 | Not readable |
| #51332B text on white | 11.30:1 | AAA | Lc 96.0 | Preferred for body text |
| #51332B text on black | 1.85:1 | 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
#F8F4F3
oklch(97% 0.005 34.3)
-
Step 100
100
#F0E8E5
oklch(93.6% 0.01 41.9)
-
Step 200
200
#E5D5D1
oklch(88.5% 0.019 34.3)
-
Step 300
300
#D6B9B2
oklch(80.9% 0.035 33.8)
-
Step 400
400
#C09589
oklch(70.7% 0.055 36.1)
-
Step 500
500
#B07A6C
oklch(63.1% 0.071 35.1)
-
Step 600
600
#9B6354
oklch(55.7% 0.077 35.7)
-
Step 700
700
#845244
oklch(49.2% 0.071 36.4)
-
Step 800
800
#6B4338
oklch(42.6% 0.059 36.1)
-
Step 900
900 (this color)
#51332B
oklch(35.5% 0.046 35.6)
-
Step 950
950
#33211D
oklch(26.9% 0.029 33)
#51332B 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) | #3A372A | 0.045 |
| Deuteranopia (no green cones) | #413D2B | 0.041 |
| Tritanopia (no blue cones) | #582F31 | 0.022 |
| Achromatopsia (no color) | #3A3A3A | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51332B
#51332B
oklch(35.5% 0.046 35.6)
- #1B424B
#1B424B
oklch(35.5% 0.046 215.1)
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 #51332B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.055
- Purple Brown #673A3F ΔE 0.057
- Onyx #343A40 ΔE 0.058
- Chestnut #742802 ΔE 0.077
- Mud Brown #60460F ΔE 0.080
- Gunmetal #293241 ΔE 0.081
- Reddy Brown #6E1005 ΔE 0.083
- Pakistan Green #283618 ΔE 0.084
Use #51332B 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.