#51322F
Closest named color: Charcoal Grey (#3C4142). oklch(35.4% 0.046 25.7), rgb(81, 50, 47).
Aa
White text reads best on this color (11.36:1).
About this color
#51322F is a dark, muted red. In OKLCH its lightness is 35%, its chroma 0.046 and its hue 26°. 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 11.36:1.
| Hue family | Reds |
| Lightness | dark (35%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.84:1 |
| White text | 11.36:1 |
Values
| HEX | #51322F |
| RGB | rgb(81, 50, 47) |
| HSL | hsl(5, 27%, 25%) |
| OKLCH | oklch(35.4% 0.046 25.7) |
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 #51322F | 11.36:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #51322F | 1.84:1 | Fails | Lc 7.8 | Not readable |
| #51322F text on white | 11.36:1 | AAA | Lc 96.1 | Preferred for body text |
| #51322F 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
#E6D5D3
oklch(88.6% 0.019 25.6)
-
Step 300
300
#D6B9B5
oklch(81% 0.034 27.2)
-
Step 400
400
#C1948F
oklch(70.8% 0.055 25.8)
-
Step 500
500
#B07973
oklch(63.1% 0.07 26.1)
-
Step 600
600
#9B615C
oklch(55.5% 0.077 25.2)
-
Step 700
700
#84504C
oklch(49% 0.071 24.7)
-
Step 800
800
#6C423E
oklch(42.7% 0.059 25.7)
-
Step 900
900 (this color)
#51322F
oklch(35.4% 0.046 25.7)
-
Step 950
950
#33211F
oklch(27% 0.028 26.2)
#51322F 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) | #39362F | 0.046 |
| Deuteranopia (no green cones) | #403C2F | 0.043 |
| Tritanopia (no blue cones) | #572E31 | 0.017 |
| Achromatopsia (no color) | #3A3A3A | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51322F
#51322F
oklch(35.4% 0.046 25.7)
- #1A4247
#1A4247
oklch(35.3% 0.045 206.4)
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 #51322F, 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 0.056
- Onyx #343A40 ΔE 0.057
- Gunmetal #293241 ΔE 0.078
- Chestnut #742802 ΔE 0.079
- Space Cadet #2B2D42 ΔE 0.083
- Reddy Brown #6E1005 ΔE 0.084
- Mud Brown #60460F ΔE 0.086
Use #51322F 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.