#51322D
Closest named color: Charcoal Grey (#3C4142). oklch(35.3% 0.046 29.6), rgb(81, 50, 45).
Aa
White text reads best on this color (11.38:1).
About this color
#51322D is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.046 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.056 away. White text reads best on it, at 11.38:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.84:1 |
| White text | 11.38:1 |
Values
| HEX | #51322D |
| RGB | rgb(81, 50, 45) |
| HSL | hsl(8, 29%, 25%) |
| OKLCH | oklch(35.3% 0.046 29.6) |
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 #51322D | 11.38:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #51322D | 1.84:1 | Fails | Lc 7.7 | Not readable |
| #51322D text on white | 11.38:1 | AAA | Lc 96.1 | Preferred for body text |
| #51322D text on black | 1.84:1 | 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
#F8F4F4
oklch(97% 0.004 17.2)
-
Step 100
100
#F0E7E6
oklch(93.5% 0.01 25.1)
-
Step 200
200
#E6D5D2
oklch(88.6% 0.019 29.6)
-
Step 300
300
#D6B9B4
oklch(80.9% 0.034 29.4)
-
Step 400
400
#C1948C
oklch(70.7% 0.056 30)
-
Step 500
500
#B07970
oklch(63% 0.071 29.5)
-
Step 600
600
#9C6258
oklch(55.7% 0.078 30.3)
-
Step 700
700
#855148
oklch(49.2% 0.072 30.5)
-
Step 800
800
#6C423C
oklch(42.7% 0.06 28.6)
-
Step 900
900 (this color)
#51322D
oklch(35.3% 0.046 29.6)
-
Step 950
950
#33211E
oklch(26.9% 0.029 29.6)
#51322D 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) | #39362D | 0.046 |
| Deuteranopia (no green cones) | #403C2D | 0.043 |
| Tritanopia (no blue cones) | #572E31 | 0.019 |
| Achromatopsia (no color) | #3A3A3A | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51322D
#51322D
oklch(35.3% 0.046 29.6)
- #194249
#194249
oklch(35.3% 0.047 210.4)
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 #51322D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.056
- Purple Brown #673A3F ΔE 0.057
- Onyx #343A40 ΔE 0.058
- Chestnut #742802 ΔE 0.078
- Gunmetal #293241 ΔE 0.079
- Reddy Brown #6E1005 ΔE 0.083
- Space Cadet #2B2D42 ΔE 0.084
- Mud Brown #60460F ΔE 0.085
Use #51322D 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.