#636776
Closest named color: Dim Gray (#696969). oklch(51.6% 0.024 273.7), rgb(99, 103, 118).
Aa
White text reads best on this color (5.62:1).
About this color
#636776 is a medium-dark close to neutral grey. In OKLCH its lightness is 52%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.025 away. White text reads best on it, at 5.62:1.
| Hue family | Neutrals |
| Lightness | medium-dark (52%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #636776 |
| RGB | rgb(99, 103, 118) |
| HSL | hsl(227, 9%, 43%) |
| OKLCH | oklch(51.6% 0.024 273.7) |
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 #636776 | 5.62:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #636776 | 3.73:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #636776 text on white | 5.62:1 | AA | Lc 78.2 | Fine for body text |
| #636776 text on black | 3.73:1 | AA large text | Lc -23.6 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D7D9DD
oklch(88.5% 0.006 264.5)
-
Step 300
300
#BEC0C8
oklch(80.9% 0.011 274.9)
-
Step 400
400
#9DA0AD
oklch(70.7% 0.019 275.5)
-
Step 500
500
#858998
oklch(63.2% 0.023 273.8)
-
Step 600
600
#6E7383
oklch(55.7% 0.025 271.8)
-
Step 700
700 (this color)
#636776
oklch(51.6% 0.024 273.7)
-
Step 800
800
#4B4E5A
oklch(42.6% 0.02 274.4)
-
Step 900
900
#3F414A
oklch(37.7% 0.016 275.7)
-
Step 950
950
#25262B
oklch(27% 0.009 276.8)
#636776 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) | #636877 | 0.003 |
| Deuteranopia (no green cones) | #626776 | 0.001 |
| Tritanopia (no blue cones) | #5F6A6C | 0.022 |
| Achromatopsia (no color) | #676767 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #636776
#636776
oklch(51.6% 0.024 273.7)
- #6C6858
#6C6858
oklch(51.6% 0.025 95.5)
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 #636776, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.025
- Slate #516572 ΔE 0.028
- Battleship Gray #6C757D ΔE 0.044
- Metallic Blue #4F738E ΔE 0.047
- Dusty Grape #545775 ΔE 0.055
- Battleship Grey #6B7C85 ΔE 0.063
- Grey Purple #826D8C ΔE 0.063
- Dusty Purple #825F87 ΔE 0.064
Use #636776 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.