#63555C
Closest named color: Dusty Grape (#545775). oklch(46.6% 0.021 346.3), rgb(99, 85, 92).
Aa
White text reads best on this color (7.03:1).
About this color
#63555C is a medium-dark close to neutral grey. In OKLCH its lightness is 47%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.045 away. White text reads best on it, at 7.03:1.
| Hue family | Neutrals |
| Lightness | medium-dark (47%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #63555C |
| RGB | rgb(99, 85, 92) |
| HSL | hsl(330, 8%, 36%) |
| OKLCH | oklch(46.6% 0.021 346.3) |
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 #63555C | 7.03:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #63555C | 2.98:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #63555C text on white | 7.03:1 | AAA | Lc 84.4 | Fine for body text |
| #63555C text on black | 2.98:1 | Fails | Lc -17.6 | 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
#F6F5F5
oklch(97.1% 0.001 17.2)
-
Step 100
100
#EBE9EA
oklch(93.6% 0.003 345.2)
-
Step 200
200
#DCD8DA
oklch(88.6% 0.005 345.3)
-
Step 300
300
#C6BEC2
oklch(80.9% 0.01 345.5)
-
Step 400
400
#A99DA3
oklch(70.8% 0.016 345.7)
-
Step 500
500
#94858C
oklch(63.2% 0.021 347.8)
-
Step 600
600
#7E6E76
oklch(55.6% 0.023 346.2)
-
Step 700
700 (this color)
#63555C
oklch(46.6% 0.021 346.3)
-
Step 800
800
#574B51
oklch(42.7% 0.019 346.2)
-
Step 900
900
#473F43
oklch(37.7% 0.013 346)
-
Step 950
950
#2A2527
oklch(27.1% 0.008 351.5)
#63555C 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) | #56575C | 0.021 |
| Deuteranopia (no green cones) | #595A5C | 0.021 |
| Tritanopia (no blue cones) | #655557 | 0.009 |
| Achromatopsia (no color) | #595959 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63555C
#63555C
oklch(46.6% 0.021 346.3)
- #4F5E57
#4F5E57
oklch(46.7% 0.022 165.6)
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 #63555C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.045
- Slate #516572 ΔE 0.053
- Brownish Purple #76424E ΔE 0.057
- Dim Gray #696969 ΔE 0.059
- YInMn Blue #415A77 ΔE 0.062
- Dark Mauve #874C62 ΔE 0.069
- Dusk #4E5481 ΔE 0.069
- Purple Brown #673A3F ΔE 0.076
Use #63555C 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.