#51414D
Closest named color: Charcoal Grey (#3C4142). oklch(39.6% 0.029 335.1), rgb(81, 65, 77).
Aa
White text reads best on this color (9.48:1).
About this color
#51414D is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.042 away. White text reads best on it, at 9.48:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.21:1 |
| White text | 9.48:1 |
Values
| HEX | #51414D |
| RGB | rgb(81, 65, 77) |
| HSL | hsl(315, 11%, 29%) |
| OKLCH | oklch(39.6% 0.029 335.1) |
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 #51414D | 9.48:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #51414D | 2.21:1 | Fails | Lc 12.0 | Not readable |
| #51414D text on white | 9.48:1 | AAA | Lc 92.0 | Preferred for body text |
| #51414D text on black | 2.21:1 | Fails | Lc -10.4 | 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
#F7F5F6
oklch(97.2% 0.002 345.2)
-
Step 100
100
#EDE8EB
oklch(93.6% 0.007 340.4)
-
Step 200
200
#DED6DC
oklch(88.4% 0.012 334.1)
-
Step 300
300
#CABCC6
oklch(81% 0.021 335.8)
-
Step 400
400
#AF99A9
oklch(70.7% 0.034 335.6)
-
Step 500
500
#9B8094
oklch(63.1% 0.044 335.4)
-
Step 600
600
#86697F
oklch(55.7% 0.049 334.9)
-
Step 700
700
#71576B
oklch(49% 0.045 334.6)
-
Step 800
800
#5C4757
oklch(42.6% 0.038 334.8)
-
Step 900
900 (this color)
#51414D
oklch(39.6% 0.029 335.1)
-
Step 950
950
#2C232A
oklch(26.9% 0.018 333.9)
#51414D 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) | #41444E | 0.028 |
| Deuteranopia (no green cones) | #45464C | 0.025 |
| Tritanopia (no blue cones) | #534245 | 0.015 |
| Achromatopsia (no color) | #464646 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51414D
#51414D
oklch(39.6% 0.029 335.1)
- #3B4C40
#3B4C40
oklch(39.8% 0.029 154.2)
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 #51414D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.042
- Purple Brown #673A3F ΔE 0.046
- Onyx #343A40 ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.062
- Dark Slate Gray #2F4F4F ΔE 0.063
- Charcoal #264653 ΔE 0.064
- Brownish Purple #76424E ΔE 0.070
- Dusty Grape #545775 ΔE 0.080
Use #51414D 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.