#636455
Closest named color: Dim Gray (#696969). oklch(49.8% 0.023 110.3), rgb(99, 100, 85).
Aa
White text reads best on this color (6.02:1).
About this color
#636455 is a medium-dark close to neutral grey. In OKLCH its lightness is 50%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Dim Gray (#696969), ΔE 0.033 away. White text reads best on it, at 6.02:1.
| Hue family | Neutrals |
| Lightness | medium-dark (50%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Dim Gray (#696969) |
| Black text | 3.48:1 |
| White text | 6.02:1 |
Values
| HEX | #636455 |
| RGB | rgb(99, 100, 85) |
| HSL | hsl(64, 8%, 36%) |
| OKLCH | oklch(49.8% 0.023 110.3) |
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 #636455 | 6.02:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #636455 | 3.48:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #636455 text on white | 6.02:1 | AA | Lc 80.1 | Fine for body text |
| #636455 text on black | 3.48:1 | AA large text | Lc -21.7 | 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
#F5F5F4
oklch(97% 0.001 106.4)
-
Step 100
100
#EAEAE8
oklch(93.6% 0.003 106.5)
-
Step 200
200
#D9D9D5
oklch(88.4% 0.005 106.5)
-
Step 300
300
#C1C1B9
oklch(80.9% 0.011 106.6)
-
Step 400
400
#A1A295
oklch(70.8% 0.019 110.4)
-
Step 500
500
#8A8B7B
oklch(63.1% 0.023 110)
-
Step 600
600
#747564
oklch(55.7% 0.025 110)
-
Step 700
700 (this color)
#636455
oklch(49.8% 0.023 110.3)
-
Step 800
800
#4F5044
oklch(42.7% 0.019 111.1)
-
Step 900
900
#424239
oklch(37.6% 0.015 107.1)
-
Step 950
950
#272722
oklch(27.1% 0.009 107)
#636455 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) | #676354 | 0.006 |
| Deuteranopia (no green cones) | #676356 | 0.007 |
| Tritanopia (no blue cones) | #656260 | 0.021 |
| Achromatopsia (no color) | #636363 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #636455
#636455
oklch(49.8% 0.023 110.3)
- #62616F
#62616F
oklch(49.9% 0.022 288.8)
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 #636455, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dim Gray #696969 ΔE 0.033
- Dark Taupe #7F684E ΔE 0.049
- Slate #516572 ΔE 0.049
- Dark Moss Green #606C38 ΔE 0.054
- Grey Brown #7F7053 ΔE 0.060
- Cocoa #875F42 ΔE 0.061
- Dirt Brown #836539 ΔE 0.062
- Dark Olive Green #556B2F ΔE 0.068
Use #636455 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.