#528FA0
Closest named color: Dusty Blue (#5A86AD). oklch(61.5% 0.068 217.8), rgb(82, 143, 160).
Aa
Black text reads best on this color (5.79:1).
About this color
#528FA0 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 62%, its chroma 0.068 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.038 away. Black text reads best on it, at 5.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.79:1 |
| White text | 3.62:1 |
Values
| HEX | #528FA0 |
| RGB | rgb(82, 143, 160) |
| HSL | hsl(193, 32%, 47%) |
| OKLCH | oklch(61.5% 0.068 217.8) |
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 #528FA0 | 3.62:1 | AA large text | Lc -69.2 | Content text, not long reading |
| Black text on #528FA0 | 5.79:1 | AA | Lc 40.4 | Non-text elements, placeholder text |
| #528FA0 text on white | 3.62:1 | AA large text | Lc 63.7 | Content text, not long reading |
| #528FA0 text on black | 5.79:1 | AA | Lc -38.0 | 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 500.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDCE1
oklch(88.4% 0.019 218.4)
-
Step 300
300
#AAC6CF
oklch(80.9% 0.033 219.2)
-
Step 400
400
#7BA9B7
oklch(70.7% 0.053 218.6)
-
Step 500
500 (this color)
#528FA0
oklch(61.5% 0.068 217.8)
-
Step 600
600
#397E90
oklch(55.6% 0.074 217.5)
-
Step 700
700
#2B6A7B
oklch(49.1% 0.069 218.5)
-
Step 800
800
#255764
oklch(42.8% 0.057 217.4)
-
Step 900
900
#244751
oklch(37.6% 0.044 218.5)
-
Step 950
950
#162A30
oklch(27.1% 0.028 219)
#528FA0 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) | #848CA1 | 0.060 |
| Deuteranopia (no green cones) | #7882A0 | 0.055 |
| Tritanopia (no blue cones) | #299594 | 0.042 |
| Achromatopsia (no color) | #868686 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528FA0
#528FA0
oklch(61.5% 0.068 217.8)
- #A97767
#A97767
oklch(61.6% 0.068 38.5)
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 #528FA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.038
- Blue Grey #758DA3 ΔE 0.040
- Steel #738595 ΔE 0.043
- Light Slate Gray #778899 ΔE 0.044
- Off Blue #5684AE ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.044
- Sea #3C9992 ΔE 0.045
- Teal Green #0A9396 ΔE 0.046
Use #528FA0 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.