#527C8A
Closest named color: Grey Blue (#647D8E). oklch(56.1% 0.051 220.9), rgb(82, 124, 138).
Aa
Black text reads best on this color (4.60:1).
About this color
#527C8A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 56%, its chroma 0.051 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.024 away. Black text reads best on it, at 4.60:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.60:1 |
| White text | 4.55:1 |
Values
| HEX | #527C8A |
| RGB | rgb(82, 124, 138) |
| HSL | hsl(195, 25%, 43%) |
| OKLCH | oklch(56.1% 0.051 220.9) |
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 #527C8A | 4.55:1 | AA | Lc -77.0 | Fine for body text |
| Black text on #527C8A | 4.60:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #527C8A text on white | 4.55:1 | AA | Lc 71.6 | Content text, not long reading |
| #527C8A text on black | 4.60:1 | AA | Lc -30.1 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBDF
oklch(88.4% 0.013 221.4)
-
Step 300
300
#B1C4CB
oklch(80.8% 0.023 221.9)
-
Step 400
400
#88A6B1
oklch(70.6% 0.037 222.1)
-
Step 500
500
#6A909E
oklch(63% 0.047 222.7)
-
Step 600
600 (this color)
#527C8A
oklch(56.1% 0.051 220.9)
-
Step 700
700
#416774
oklch(49.1% 0.048 221.6)
-
Step 800
800
#36545E
oklch(42.6% 0.039 220.9)
-
Step 900
900
#2F464D
oklch(37.8% 0.031 218.7)
-
Step 950
950
#1C292D
oklch(27.1% 0.019 218.7)
#527C8A 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) | #737A8B | 0.042 |
| Deuteranopia (no green cones) | #6B738A | 0.039 |
| Tritanopia (no blue cones) | #3C8180 | 0.033 |
| Achromatopsia (no color) | #767676 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #527C8A
#527C8A
oklch(56.1% 0.051 220.9)
- #8F6B5E
#8F6B5E
oklch(56% 0.05 40.7)
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 #527C8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.024
- Stormy Blue #507B9C ΔE 0.030
- Metallic Blue #4F738E ΔE 0.030
- Battleship Grey #6B7C85 ΔE 0.031
- Cerulean #457B9D ΔE 0.033
- Battleship Gray #6C757D ΔE 0.037
- Dull Blue #49759C ΔE 0.041
- Slate Gray #708090 ΔE 0.042
Use #527C8A 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.