#51625D
Closest named color: Slate (#516572). oklch(48% 0.022 175.6), rgb(81, 98, 93).
Aa
White text reads best on this color (6.45:1).
About this color
#51625D is a medium-dark close to neutral grey. In OKLCH its lightness is 48%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Slate (#516572), ΔE 0.032 away. White text reads best on it, at 6.45:1.
| Hue family | Neutrals |
| Lightness | medium-dark (48%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Slate (#516572) |
| Black text | 3.25:1 |
| White text | 6.45:1 |
Values
| HEX | #51625D |
| RGB | rgb(81, 98, 93) |
| HSL | hsl(162, 9%, 35%) |
| OKLCH | oklch(48% 0.022 175.6) |
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 #51625D | 6.45:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #51625D | 3.25:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #51625D text on white | 6.45:1 | AA | Lc 82.0 | Fine for body text |
| #51625D text on black | 3.25:1 | AA large text | Lc -19.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E8EAEA
oklch(93.6% 0.002 197.1)
-
Step 200
200
#D5DAD9
oklch(88.4% 0.006 183)
-
Step 300
300
#BAC3C0
oklch(80.9% 0.011 174.2)
-
Step 400
400
#96A4A0
oklch(70.6% 0.017 176.9)
-
Step 500
500
#7C8E89
oklch(63.1% 0.022 177)
-
Step 600
600
#657873
oklch(55.6% 0.024 177.7)
-
Step 700
700 (this color)
#51625D
oklch(48% 0.022 175.6)
-
Step 800
800
#45524E
oklch(42.6% 0.018 174.9)
-
Step 900
900
#3A4441
oklch(37.7% 0.014 175.5)
-
Step 950
950
#222826
oklch(27% 0.009 173.5)
#51625D 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) | #61605D | 0.024 |
| Deuteranopia (no green cones) | #5D5D5D | 0.022 |
| Tritanopia (no blue cones) | #4D6260 | 0.007 |
| Achromatopsia (no color) | #5E5E5E | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #51625D
#51625D
oklch(48% 0.022 175.6)
- #69595E
#69595E
oklch(48.1% 0.022 357.2)
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 #51625D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.032
- Dim Gray #696969 ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.055
- YInMn Blue #415A77 ΔE 0.059
- Dark Aqua #05696B ΔE 0.060
- Dusty Grape #545775 ΔE 0.060
- Dark Aquamarine #017371 ΔE 0.069
- Petrol #005F6A ΔE 0.069
Use #51625D 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.