#526B78
Closest named color: Slate (#516572). oklch(51.3% 0.036 231), rgb(82, 107, 120).
Aa
White text reads best on this color (5.62:1).
About this color
#526B78 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.036 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Slate (#516572), ΔE 0.018 away. White text reads best on it, at 5.62:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Slate (#516572) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #526B78 |
| RGB | rgb(82, 107, 120) |
| HSL | hsl(201, 19%, 40%) |
| OKLCH | oklch(51.3% 0.036 231) |
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 #526B78 | 5.62:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #526B78 | 3.73:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #526B78 text on white | 5.62:1 | AA | Lc 78.1 | Fine for body text |
| #526B78 text on black | 3.73:1 | AA large text | Lc -23.7 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DADE
oklch(88.4% 0.009 232.4)
-
Step 300
300
#B6C3CA
oklch(80.9% 0.017 231)
-
Step 400
400
#90A4AF
oklch(70.7% 0.028 231.8)
-
Step 500
500
#748E9B
oklch(63.1% 0.035 229.6)
-
Step 600
600
#5C7886
oklch(55.6% 0.039 229.9)
-
Step 700
700 (this color)
#526B78
oklch(51.3% 0.036 231)
-
Step 800
800
#3E525D
oklch(42.6% 0.031 232.5)
-
Step 900
900
#35444C
oklch(37.7% 0.024 231.5)
-
Step 950
950
#1F282C
oklch(27% 0.015 226.6)
#526B78 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) | #656A79 | 0.027 |
| Deuteranopia (no green cones) | #5F6578 | 0.024 |
| Tritanopia (no blue cones) | #466F6F | 0.026 |
| Achromatopsia (no color) | #676767 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #526B78
#526B78
oklch(51.3% 0.036 231)
- #786154
#786154
oklch(51.2% 0.036 51.1)
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 #526B78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.018
- Metallic Blue #4F738E ΔE 0.036
- Dim Gray #696969 ΔE 0.037
- Battleship Gray #6C757D ΔE 0.049
- Denim #3B638C ΔE 0.054
- Dull Blue #49759C ΔE 0.056
- Deep Aqua #08787F ΔE 0.059
- YInMn Blue #415A77 ΔE 0.059
Use #526B78 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.