#5A63E6
Closest named color: Neon Blue (#4361EE). oklch(56.6% 0.195 275.3), rgb(90, 99, 230).
Aa
White text reads best on this color (4.81:1).
About this color
#5A63E6 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.195 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.031 away. White text reads best on it, at 4.81:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.195) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.36:1 |
| White text | 4.81:1 |
Values
| HEX | #5A63E6 |
| RGB | rgb(90, 99, 230) |
| HSL | hsl(236, 74%, 63%) |
| OKLCH | oklch(56.6% 0.195 275.3) |
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 #5A63E6 | 4.81:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #5A63E6 | 4.36:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #5A63E6 text on white | 4.81:1 | AA | Lc 73.0 | Content text, not long reading |
| #5A63E6 text on black | 4.36:1 | AA large text | Lc -28.7 | 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 600.
-
Step 50
50
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#CFD7FA
oklch(88.4% 0.049 275.2)
-
Step 300
300
#B0BDFA
oklch(81% 0.088 275)
-
Step 400
400
#8898F7
oklch(70.8% 0.14 275)
-
Step 500
500
#6D7AF4
oklch(63% 0.181 275.4)
-
Step 600
600 (this color)
#5A63E6
oklch(56.6% 0.195 275.3)
-
Step 700
700
#484EC5
oklch(49.1% 0.182 275.2)
-
Step 800
800
#3B419F
oklch(42.7% 0.15 275.3)
-
Step 900
900
#32387E
oklch(37.7% 0.117 275.6)
-
Step 950
950
#1D224A
oklch(27.1% 0.074 275)
#5A63E6 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) | #0078EA | 0.070 |
| Deuteranopia (no green cones) | #006CE3 | 0.063 |
| Tritanopia (no blue cones) | #00829B | 0.165 |
| Achromatopsia (no color) | #727272 | 0.196 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A63E6
#5A63E6
oklch(56.6% 0.195 275.3)
- #8B7500
#8B7500
oklch(56.6% 0.116 95.9)
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 #5A63E6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.031
- Royal Blue #4169E1 ΔE 0.031
- Dark Periwinkle #665FD1 ΔE 0.036
- Warm Blue #4B57DB ΔE 0.040
- Light Indigo #6D5ACF ΔE 0.046
- Slate Blue #6A5ACD ΔE 0.046
- Medium Slate Blue #7B68EE ΔE 0.052
- Iris #6258C4 ΔE 0.057
Use #5A63E6 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.