#36519A
Closest named color: Dusk Blue (#26538D). oklch(45.3% 0.123 266.3), rgb(54, 81, 154).
Aa
White text reads best on this color (7.49:1).
About this color
#36519A is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.123 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.029 away. White text reads best on it, at 7.49:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.80:1 |
| White text | 7.49:1 |
Values
| HEX | #36519A |
| RGB | rgb(54, 81, 154) |
| HSL | hsl(224, 48%, 41%) |
| OKLCH | oklch(45.3% 0.123 266.3) |
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 #36519A | 7.49:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #36519A | 2.80:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #36519A text on white | 7.49:1 | AAA | Lc 85.8 | Fine for body text |
| #36519A text on black | 2.80:1 | Fails | Lc -16.2 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E3EAF8
oklch(93.6% 0.02 264.5)
-
Step 200
200
#CDD9F4
oklch(88.5% 0.039 266.5)
-
Step 300
300
#ABC0F0
oklch(80.9% 0.072 266.3)
-
Step 400
400
#7F9EE9
oklch(70.7% 0.116 266.4)
-
Step 500
500
#6084E2
oklch(63.1% 0.147 266.5)
-
Step 600
600
#476CD0
oklch(55.7% 0.16 266.1)
-
Step 700
700
#3959B4
oklch(49% 0.149 266.4)
-
Step 800
800 (this color)
#36519A
oklch(45.3% 0.123 266.3)
-
Step 900
900
#2A3E74
oklch(37.7% 0.096 266.6)
-
Step 950
950
#182544
oklch(27% 0.061 265.4)
#36519A 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) | #2D599D | 0.022 |
| Deuteranopia (no green cones) | #1B5098 | 0.026 |
| Tritanopia (no blue cones) | #00626E | 0.104 |
| Achromatopsia (no color) | #555555 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36519A
#36519A
oklch(45.3% 0.123 266.3)
- #6D5200
#6D5200
oklch(45.4% 0.093 86.5)
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 #36519A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.035
- Twilight #4E518B ΔE 0.039
- Cobalt #1E488F ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.043
- Blueberry #464196 ΔE 0.044
- Light Navy #155084 ΔE 0.049
- Dusky Blue #475F94 ΔE 0.050
Use #36519A 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.