#63504C
Closest named color: Brownish Purple (#76424E). oklch(44.9% 0.026 31.9), rgb(99, 80, 76).
Aa
White text reads best on this color (7.54:1).
About this color
#63504C is a dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Brownish Purple (#76424E), ΔE 0.051 away. White text reads best on it, at 7.54:1.
| Hue family | Neutrals |
| Lightness | dark (45%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.78:1 |
| White text | 7.54:1 |
Values
| HEX | #63504C |
| RGB | rgb(99, 80, 76) |
| HSL | hsl(10, 13%, 34%) |
| OKLCH | oklch(44.9% 0.026 31.9) |
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 #63504C | 7.54:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #63504C | 2.78:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #63504C text on white | 7.54:1 | AAA | Lc 86.2 | Fine for body text |
| #63504C text on black | 2.78:1 | Fails | Lc -15.8 | 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 800.
-
Step 50
50
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE9E8
oklch(93.7% 0.005 34.3)
-
Step 200
200
#DFD7D6
oklch(88.5% 0.009 26)
-
Step 300
300
#CABDBA
oklch(80.8% 0.015 33.1)
-
Step 400
400
#AF9B97
oklch(70.6% 0.024 31.1)
-
Step 500
500
#9C837E
oklch(63.2% 0.032 31.2)
-
Step 600
600
#866C67
oklch(55.5% 0.034 30.8)
-
Step 700
700
#725A55
oklch(49% 0.033 31.8)
-
Step 800
800 (this color)
#63504C
oklch(44.9% 0.026 31.9)
-
Step 900
900
#4C3E3B
oklch(37.8% 0.02 32.1)
-
Step 950
950
#2D2422
oklch(27% 0.014 32.6)
#63504C 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) | #54524C | 0.025 |
| Deuteranopia (no green cones) | #58564C | 0.025 |
| Tritanopia (no blue cones) | #684E4F | 0.012 |
| Achromatopsia (no color) | #545454 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63504C
#63504C
oklch(44.9% 0.026 31.9)
- #44595E
#44595E
oklch(44.9% 0.027 213.9)
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 #63504C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.051
- Purple Brown #673A3F ΔE 0.060
- Dusty Grape #545775 ΔE 0.066
- Milk Chocolate #7F4E1E ΔE 0.072
- Slate #516572 ΔE 0.073
- Mud Brown #60460F ΔE 0.073
- Dim Gray #696969 ΔE 0.076
- Dark Mauve #874C62 ΔE 0.078
Use #63504C 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.