#525B4E
Closest named color: Dark Green Blue (#1F6357). oklch(45.9% 0.024 136), rgb(82, 91, 78).
Aa
White text reads best on this color (7.08:1).
About this color
#525B4E is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.056 away. White text reads best on it, at 7.08:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #525B4E |
| RGB | rgb(82, 91, 78) |
| HSL | hsl(102, 8%, 33%) |
| OKLCH | oklch(45.9% 0.024 136) |
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 #525B4E | 7.08:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #525B4E | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #525B4E text on white | 7.08:1 | AAA | Lc 84.6 | Fine for body text |
| #525B4E text on black | 2.96:1 | Fails | Lc -17.4 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E9EAE8
oklch(93.6% 0.003 128.5)
-
Step 200
200
#D7DAD6
oklch(88.5% 0.006 137.8)
-
Step 300
300
#BDC2BB
oklch(80.8% 0.011 136.6)
-
Step 400
400
#9CA398
oklch(70.7% 0.018 133.9)
-
Step 500
500
#838D7F
oklch(63.1% 0.024 136.6)
-
Step 600
600
#6D7768
oklch(55.6% 0.026 135.1)
-
Step 700
700 (this color)
#525B4E
oklch(45.9% 0.024 136)
-
Step 800
800
#4A5247
oklch(42.8% 0.021 137.1)
-
Step 900
900
#3E443C
oklch(37.8% 0.016 137.8)
-
Step 950
950
#242823
oklch(27.1% 0.011 139.4)
#525B4E 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) | #5C594D | 0.016 |
| Deuteranopia (no green cones) | #5B584F | 0.017 |
| Tritanopia (no blue cones) | #525A57 | 0.016 |
| Achromatopsia (no color) | #585858 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #525B4E
#525B4E
oklch(45.9% 0.024 136)
- #5D5461
#5D5461
oklch(45.9% 0.024 315.5)
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 #525B4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.056
- Slate #516572 ΔE 0.056
- Dark Slate Gray #2F4F4F ΔE 0.065
- Dim Gray #696969 ΔE 0.066
- Pine #2B5D34 ΔE 0.069
- Dusty Grape #545775 ΔE 0.070
- YInMn Blue #415A77 ΔE 0.070
- Camo Green #526525 ΔE 0.071
Use #525B4E 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.