#5063EB
Closest named color: Neon Blue (#4361EE). oklch(56.4% 0.204 272.1), rgb(80, 99, 235).
Aa
White text reads best on this color (4.85:1).
About this color
#5063EB is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.204 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Neon Blue (#4361EE), ΔE 0.017 away. White text reads best on it, at 4.85:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.204) |
| Temperature | cool |
| Nearest name | Neon Blue (#4361EE) |
| Black text | 4.32:1 |
| White text | 4.85:1 |
Values
| HEX | #5063EB |
| RGB | rgb(80, 99, 235) |
| HSL | hsl(233, 79%, 62%) |
| OKLCH | oklch(56.4% 0.204 272.1) |
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 #5063EB | 4.85:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #5063EB | 4.32:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #5063EB text on white | 4.85:1 | AA | Lc 73.2 | Content text, not long reading |
| #5063EB text on black | 4.32:1 | AA large text | Lc -28.5 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CDD8FC
oklch(88.5% 0.051 271.9)
-
Step 300
300
#ACBDFD
oklch(80.9% 0.093 272.7)
-
Step 400
400
#8199FC
oklch(70.8% 0.147 271.9)
-
Step 500
500
#647BF9
oklch(63% 0.188 272.1)
-
Step 600
600 (this color)
#5063EB
oklch(56.4% 0.204 272.1)
-
Step 700
700
#404FCA
oklch(49.2% 0.19 272.1)
-
Step 800
800
#3441A3
oklch(42.6% 0.158 272.1)
-
Step 900
900
#2D3981
oklch(37.8% 0.121 272.2)
-
Step 950
950
#1A224C
oklch(27.1% 0.078 272.1)
#5063EB 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) | #0079F0 | 0.063 |
| Deuteranopia (no green cones) | #006BE8 | 0.051 |
| Tritanopia (no blue cones) | #00849D | 0.168 |
| Achromatopsia (no color) | #717171 | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5063EB
#5063EB
oklch(56.4% 0.204 272.1)
- #8E7200
#8E7200
oklch(56.3% 0.115 91.6)
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 #5063EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Neon Blue #4361EE ΔE 0.017
- Royal Blue #4169E1 ΔE 0.026
- Warm Blue #4B57DB ΔE 0.038
- Dark Periwinkle #665FD1 ΔE 0.049
- Cerulean Blue #056EEE ΔE 0.050
- Azul #1D5DEC ΔE 0.050
- Bright Blue #0165FC ΔE 0.055
- Slate Blue #6A5ACD ΔE 0.059
Use #5063EB 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.