#36489B
Closest named color: Blueberry (#464196). oklch(43.5% 0.137 270.5), rgb(54, 72, 155).
Aa
White text reads best on this color (8.21:1).
About this color
#36489B is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.137 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.027 away. White text reads best on it, at 8.21:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #36489B |
| RGB | rgb(54, 72, 155) |
| HSL | hsl(229, 48%, 41%) |
| OKLCH | oklch(43.5% 0.137 270.5) |
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 #36489B | 8.21:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #36489B | 2.55:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #36489B text on white | 8.21:1 | AAA | Lc 88.1 | Fine for body text |
| #36489B text on black | 2.55:1 | Fails | Lc -14.1 | Not readable |
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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F7
oklch(88.4% 0.044 271.3)
-
Step 300
300
#ADBFF5
oklch(81% 0.079 270.3)
-
Step 400
400
#839BF0
oklch(70.7% 0.128 270.9)
-
Step 500
500
#6580EB
oklch(63.1% 0.163 270.5)
-
Step 600
600
#4E67D9
oklch(55.7% 0.176 270.4)
-
Step 700
700
#3F54BD
oklch(49% 0.166 270.5)
-
Step 800
800 (this color)
#36489B
oklch(43.5% 0.137 270.5)
-
Step 900
900
#2D3C79
oklch(37.8% 0.105 270.3)
-
Step 950
950
#1A2347
oklch(26.9% 0.068 270.7)
#36489B 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) | #13549E | 0.039 |
| Deuteranopia (no green cones) | #004B99 | 0.039 |
| Tritanopia (no blue cones) | #005B6A | 0.114 |
| Achromatopsia (no color) | #4F4F4F | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36489B
#36489B
oklch(43.5% 0.137 270.5)
- #644E00
#644E00
oklch(43.5% 0.089 90)
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 #36489B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.027
- Cobalt #1E488F ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.042
- Dusk Blue #26538D ΔE 0.043
- Twilight #4E518B ΔE 0.053
- Light Navy #155084 ΔE 0.055
- Sapphire #2138AB ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.059
Use #36489B 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.