#363DA0
Closest named color: Blueberry (#464196). oklch(41.7% 0.158 274.2), rgb(54, 61, 160).
Aa
White text reads best on this color (9.00:1).
About this color
#363DA0 is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.158 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.032 away. White text reads best on it, at 9.00:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.33:1 |
| White text | 9.00:1 |
Values
| HEX | #363DA0 |
| RGB | rgb(54, 61, 160) |
| HSL | hsl(236, 50%, 42%) |
| OKLCH | oklch(41.7% 0.158 274.2) |
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 #363DA0 | 9.00:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #363DA0 | 2.33:1 | Fails | Lc 13.8 | Not readable |
| #363DA0 text on white | 9.00:1 | AAA | Lc 90.2 | Preferred for body text |
| #363DA0 text on black | 2.33:1 | Fails | Lc -12.1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED7FC
oklch(88.4% 0.052 274.5)
-
Step 300
300
#AEBDFD
oklch(81% 0.092 274)
-
Step 400
400
#8597FC
oklch(70.6% 0.149 274.3)
-
Step 500
500
#697AF9
oklch(63.1% 0.188 274)
-
Step 600
600
#545FE8
oklch(55.7% 0.204 274.2)
-
Step 700
700
#454DCA
oklch(49.1% 0.191 274.2)
-
Step 800
800 (this color)
#363DA0
oklch(41.7% 0.158 274.2)
-
Step 900
900
#303881
oklch(37.8% 0.122 274.3)
-
Step 950
950
#1C214C
oklch(27% 0.079 274.8)
#363DA0 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) | #004EA3 | 0.052 |
| Deuteranopia (no green cones) | #00449E | 0.043 |
| Tritanopia (no blue cones) | #005668 | 0.131 |
| Achromatopsia (no color) | #494949 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #363DA0
#363DA0
oklch(41.7% 0.158 274.2)
- #5C4B00
#5C4B00
oklch(41.8% 0.086 94)
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 #363DA0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.032
- Sapphire #2138AB ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.044
- Cobalt #1E488F ΔE 0.046
- Blue Blue #2242C7 ΔE 0.066
- Indigo Blue #3A18B1 ΔE 0.066
- Majorelle Blue #3F37C9 ΔE 0.067
- Dusk Blue #26538D ΔE 0.069
Use #363DA0 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.