#5186FE
Closest named color: Dodger Blue (#1E90FF). oklch(64.5% 0.187 264), rgb(81, 134, 254).
Aa
Black text reads best on this color (6.19:1).
About this color
#5186FE is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.187 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.036 away. Black text reads best on it, at 6.19:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.187) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.19:1 |
| White text | 3.39:1 |
Values
| HEX | #5186FE |
| RGB | rgb(81, 134, 254) |
| HSL | hsl(222, 99%, 66%) |
| OKLCH | oklch(64.5% 0.187 264) |
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 #5186FE | 3.39:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #5186FE | 6.19:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #5186FE text on white | 3.39:1 | AA large text | Lc 61.0 | Content text, not long reading |
| #5186FE text on black | 6.19:1 | AA | Lc -40.7 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFC
oklch(88.6% 0.051 263.2)
-
Step 300
300
#A3C0FD
oklch(80.9% 0.092 264.7)
-
Step 400
400
#719DFC
oklch(70.6% 0.148 264.2)
-
Step 500
500 (this color)
#5186FE
oklch(64.5% 0.187 264)
-
Step 600
600
#3267E8
oklch(55.5% 0.204 264)
-
Step 700
700
#2655CA
oklch(49.2% 0.189 264)
-
Step 800
800
#2046A3
oklch(42.6% 0.157 264)
-
Step 900
900
#1F3C81
oklch(37.6% 0.122 264.2)
-
Step 950
950
#12244C
oklch(27% 0.078 263.8)
#5186FE 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) | #4694FF | 0.035 |
| Deuteranopia (no green cones) | #1984FC | 0.037 |
| Tritanopia (no blue cones) | #00A2B6 | 0.151 |
| Achromatopsia (no color) | #8B8B8B | 0.188 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5186FE
#5186FE
oklch(64.5% 0.187 264)
- #B38500
#B38500
oklch(64.4% 0.132 84)
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 #5186FE, closest first.
No curated palette has a color within ΔE 0.04 of #5186FE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.036
- Soft Blue #6488EA ΔE 0.036
- Cornflower #6A79F7 ΔE 0.038
- Chefchaouen Blue #4895EF ΔE 0.048
- Dark Sky Blue #448EE4 ΔE 0.048
- Clear Blue #247AFD ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.055
- Lavender Blue #8B88F8 ΔE 0.071
Use #5186FE 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.