#36528D
Closest named color: Dusk Blue (#26538D). oklch(44.7% 0.103 263.6), rgb(54, 82, 141).
Aa
White text reads best on this color (7.64:1).
About this color
#36528D is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.103 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 7.64:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #36528D |
| RGB | rgb(54, 82, 141) |
| HSL | hsl(221, 45%, 38%) |
| OKLCH | oklch(44.7% 0.103 263.6) |
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 #36528D | 7.64:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #36528D | 2.74:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #36528D text on white | 7.64:1 | AAA | Lc 86.4 | Fine for body text |
| #36528D text on black | 2.74:1 | Fails | Lc -15.7 | 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
#ADC1E8
oklch(80.9% 0.06 263.7)
-
Step 400
400
#82A0DD
oklch(70.7% 0.096 263.9)
-
Step 500
500
#6287D4
oklch(63% 0.124 263.8)
-
Step 600
600
#4A70C1
oklch(55.7% 0.133 263.7)
-
Step 700
700
#3B5DA7
oklch(49.1% 0.125 263.8)
-
Step 800
800 (this color)
#36528D
oklch(44.7% 0.103 263.6)
-
Step 900
900
#2B406C
oklch(37.7% 0.08 263.7)
-
Step 950
950
#19263F
oklch(27% 0.05 262.6)
#36528D 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) | #38588F | 0.018 |
| Deuteranopia (no green cones) | #2C508C | 0.013 |
| Tritanopia (no blue cones) | #005F68 | 0.089 |
| Achromatopsia (no color) | #535353 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36528D
#36528D
oklch(44.7% 0.103 263.6)
- #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 #36528D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.016
- Light Navy Blue #2E5A88 ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.028
- Twilight #4E518B ΔE 0.032
- Light Navy #155084 ΔE 0.035
- Dusk #4E5481 ΔE 0.038
- Cobalt #1E488F ΔE 0.041
- Deep Sea Blue #015482 ΔE 0.042
Use #36528D 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.