#525666
Closest named color: Dusty Grape (#545775). oklch(45.6% 0.027 274.2), rgb(82, 86, 102).
Aa
White text reads best on this color (7.28:1).
About this color
#525666 is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Dusty Grape (#545775), ΔE 0.025 away. White text reads best on it, at 7.28:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.88:1 |
| White text | 7.28:1 |
Values
| HEX | #525666 |
| RGB | rgb(82, 86, 102) |
| HSL | hsl(228, 11%, 36%) |
| OKLCH | oklch(45.6% 0.027 274.2) |
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 #525666 | 7.28:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #525666 | 2.88:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #525666 text on white | 7.28:1 | AAA | Lc 85.3 | Fine for body text |
| #525666 text on black | 2.88:1 | Fails | Lc -16.7 | 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 800.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9EAED
oklch(93.7% 0.004 271.4)
-
Step 200
200
#D7D9DF
oklch(88.6% 0.008 271.3)
-
Step 300
300
#BDC0CB
oklch(80.9% 0.016 273.8)
-
Step 400
400
#9BA0B1
oklch(70.7% 0.025 272.7)
-
Step 500
500
#83889D
oklch(63% 0.032 274.9)
-
Step 600
600
#6D7288
oklch(55.6% 0.035 275.1)
-
Step 700
700
#5B6073
oklch(49.2% 0.031 273.6)
-
Step 800
800 (this color)
#525666
oklch(45.6% 0.027 274.2)
-
Step 900
900
#3E414D
oklch(37.7% 0.021 274.3)
-
Step 950
950
#24262D
oklch(27% 0.013 272.9)
#525666 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) | #525767 | 0.003 |
| Deuteranopia (no green cones) | #505666 | 0.003 |
| Tritanopia (no blue cones) | #4D595B | 0.025 |
| Achromatopsia (no color) | #565656 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #525666
#525666
oklch(45.6% 0.027 274.2)
- #5B5746
#5B5746
oklch(45.5% 0.027 96.3)
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 #525666, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.025
- YInMn Blue #415A77 ΔE 0.033
- Slate #516572 ΔE 0.044
- Dusk #4E5481 ΔE 0.047
- Denim #3B638C ΔE 0.066
- Light Navy Blue #2E5A88 ΔE 0.066
- Dark Slate Gray #2F4F4F ΔE 0.067
- Twilight #4E518B ΔE 0.067
Use #525666 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.