#363798
Closest named color: Blueberry (#464196). oklch(39.9% 0.155 276.4), rgb(54, 55, 152).
Aa
White text reads best on this color (9.73:1).
About this color
#363798 is a dark, vivid blue. In OKLCH its lightness is 40%, its chroma 0.155 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.038 away. White text reads best on it, at 9.73:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | vivid (0.155) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.15:1 |
| White text | 9.73:1 |
Values
| HEX | #363798 |
| RGB | rgb(54, 55, 152) |
| HSL | hsl(239, 48%, 40%) |
| OKLCH | oklch(39.9% 0.155 276.4) |
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 #363798 | 9.73:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #363798 | 2.15:1 | Fails | Lc 11.9 | Not readable |
| #363798 text on white | 9.73:1 | AAA | Lc 92.1 | Preferred for body text |
| #363798 text on black | 2.15:1 | Fails | Lc -10.3 | 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 900.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E4E9FF
oklch(93.7% 0.03 275.6)
-
Step 200
200
#CFD7FF
oklch(88.6% 0.056 276.3)
-
Step 300
300
#B0BCFF
oklch(81% 0.096 276.2)
-
Step 400
400
#8895FF
oklch(70.6% 0.155 276.4)
-
Step 500
500
#6E76FF
oklch(63.1% 0.2 276.5)
-
Step 600
600
#5851FF
oklch(55.6% 0.248 276.5)
-
Step 700
700
#493CE3
oklch(49.1% 0.239 276.4)
-
Step 800
800
#3B34B8
oklch(42.8% 0.199 276.3)
-
Step 900
900 (this color)
#363798
oklch(39.9% 0.155 276.4)
-
Step 950
950
#1C1E55
oklch(27.1% 0.098 276.1)
#363798 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) | #00489B | 0.054 |
| Deuteranopia (no green cones) | #004096 | 0.047 |
| Tritanopia (no blue cones) | #004F62 | 0.128 |
| Achromatopsia (no color) | #444444 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #363798
#363798
oklch(39.9% 0.155 276.4)
- #554700
#554700
oklch(40% 0.082 96.2)
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 #363798, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.038
- Sapphire #2138AB ΔE 0.040
- Dark Slate Blue #483D8B ΔE 0.041
- Cobalt #1E488F ΔE 0.050
- Indigo Blue #3A18B1 ΔE 0.062
- Imperial Purple #480CA8 ΔE 0.069
- Twilight Blue #0A437A ΔE 0.073
- Dusk Blue #26538D ΔE 0.078
Use #363798 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.