#36528E
Closest named color: Dusk Blue (#26538D). oklch(44.7% 0.104 263.8), rgb(54, 82, 142).
Aa
White text reads best on this color (7.62:1).
About this color
#36528E is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.104 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.016 away. White text reads best on it, at 7.62:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.75:1 |
| White text | 7.62:1 |
Values
| HEX | #36528E |
| RGB | rgb(54, 82, 142) |
| HSL | hsl(221, 45%, 38%) |
| OKLCH | oklch(44.7% 0.104 263.8) |
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 #36528E | 7.62:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #36528E | 2.75:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #36528E text on white | 7.62:1 | AAA | Lc 86.3 | Fine for body text |
| #36528E text on black | 2.75:1 | Fails | Lc -15.8 | 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
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CEDAF0
oklch(88.6% 0.033 262.7)
-
Step 300
300
#ADC1E9
oklch(80.9% 0.061 264.2)
-
Step 400
400
#81A0DE
oklch(70.7% 0.098 263.6)
-
Step 500
500
#6287D5
oklch(63.1% 0.125 263.9)
-
Step 600
600
#4970C2
oklch(55.7% 0.135 263.5)
-
Step 700
700
#3B5DA8
oklch(49.2% 0.126 264)
-
Step 800
800 (this color)
#36528E
oklch(44.7% 0.104 263.8)
-
Step 900
900
#2B406D
oklch(37.7% 0.082 264)
-
Step 950
950
#192640
oklch(27.1% 0.052 263.2)
#36528E 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) | #385890 | 0.018 |
| Deuteranopia (no green cones) | #2B508D | 0.014 |
| Tritanopia (no blue cones) | #005F69 | 0.089 |
| Achromatopsia (no color) | #545454 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36528E
#36528E
oklch(44.7% 0.104 263.8)
- #6C4F00
#6C4F00
oklch(44.6% 0.092 84.1)
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 #36528E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.016
- Denim Blue #3B5B92 ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.028
- Twilight #4E518B ΔE 0.032
- Light Navy #155084 ΔE 0.036
- Dusk #4E5481 ΔE 0.039
- Cobalt #1E488F ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.043
Use #36528E 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.