#3C528F
Closest named color: Dusk Blue (#26538D). oklch(45.2% 0.104 267.3), rgb(60, 82, 143).
Aa
White text reads best on this color (7.51:1).
About this color
#3C528F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.104 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.024 away. White text reads best on it, at 7.51:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.79:1 |
| White text | 7.51:1 |
Values
| HEX | #3C528F |
| RGB | rgb(60, 82, 143) |
| HSL | hsl(224, 41%, 40%) |
| OKLCH | oklch(45.2% 0.104 267.3) |
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 #3C528F | 7.51:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #3C528F | 2.79:1 | Fails | Lc 18.1 | Dividers and decoration only |
| #3C528F text on white | 7.51:1 | AAA | Lc 85.9 | Fine for body text |
| #3C528F text on black | 2.79:1 | Fails | Lc -16.1 | 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 800.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#CFD9F0
oklch(88.5% 0.033 266.9)
-
Step 300
300
#AFC0E9
oklch(80.9% 0.061 267.4)
-
Step 400
400
#869FDE
oklch(70.8% 0.097 267.3)
-
Step 500
500
#6886D4
oklch(63.2% 0.123 267)
-
Step 600
600
#506EC2
oklch(55.6% 0.135 267.2)
-
Step 700
700
#415BA7
oklch(49% 0.125 267.5)
-
Step 800
800 (this color)
#3C528F
oklch(45.2% 0.104 267.3)
-
Step 900
900
#2E3F6C
oklch(37.6% 0.08 266.9)
-
Step 950
950
#1B253F
oklch(26.9% 0.051 267)
#3C528F 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) | #385991 | 0.020 |
| Deuteranopia (no green cones) | #2D518E | 0.018 |
| Tritanopia (no blue cones) | #045F69 | 0.093 |
| Achromatopsia (no color) | #555555 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C528F
#3C528F
oklch(45.2% 0.104 267.3)
- #6C5200
#6C5200
oklch(45.3% 0.093 87.4)
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 #3C528F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.024
- Twilight #4E518B ΔE 0.025
- Denim Blue #3B5B92 ΔE 0.025
- Light Navy Blue #2E5A88 ΔE 0.031
- Dusk #4E5481 ΔE 0.035
- Dusky Blue #475F94 ΔE 0.042
- Light Navy #155084 ΔE 0.043
- Cobalt #1E488F ΔE 0.046
Use #3C528F 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.