#528E9D
Closest named color: Dusty Blue (#5A86AD). oklch(61.2% 0.066 215.7), rgb(82, 142, 157).
Aa
Black text reads best on this color (5.71:1).
About this color
#528E9D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 61%, its chroma 0.066 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.040 away. Black text reads best on it, at 5.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #528E9D |
| RGB | rgb(82, 142, 157) |
| HSL | hsl(192, 31%, 47%) |
| OKLCH | oklch(61.2% 0.066 215.7) |
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 #528E9D | 3.67:1 | AA large text | Lc -69.7 | Content text, not long reading |
| Black text on #528E9D | 5.71:1 | AA | Lc 39.9 | Non-text elements, placeholder text |
| #528E9D text on white | 3.67:1 | AA large text | Lc 64.2 | Content text, not long reading |
| #528E9D text on black | 5.71:1 | AA | Lc -37.5 | 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
#CDDCE1
oklch(88.5% 0.018 219.7)
-
Step 300
300
#AAC6CE
oklch(80.8% 0.032 216.9)
-
Step 400
400
#7BA9B5
oklch(70.6% 0.052 215.7)
-
Step 500
500 (this color)
#528E9D
oklch(61.2% 0.066 215.7)
-
Step 600
600
#3B7E8E
oklch(55.6% 0.072 215.6)
-
Step 700
700
#2C6A79
oklch(49% 0.067 216.2)
-
Step 800
800
#265762
oklch(42.8% 0.056 214.5)
-
Step 900
900
#244750
oklch(37.6% 0.043 216.4)
-
Step 950
950
#162A2F
oklch(27% 0.027 215.5)
#528E9D 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) | #838A9E | 0.059 |
| Deuteranopia (no green cones) | #78829D | 0.053 |
| Tritanopia (no blue cones) | #2C9493 | 0.039 |
| Achromatopsia (no color) | #858585 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #528E9D
#528E9D
oklch(61.2% 0.066 215.7)
- #A77668
#A77668
oklch(61.2% 0.066 36.6)
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 #528E9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.040
- Dusty Teal #4C9085 ΔE 0.041
- Steel #738595 ΔE 0.042
- Blue Grey #758DA3 ΔE 0.042
- Light Slate Gray #778899 ΔE 0.043
- Sea #3C9992 ΔE 0.044
- Teal Green #0A9396 ΔE 0.044
- Steel Grey #6F828A ΔE 0.045
Use #528E9D 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.