#5388F3
Closest named color: Soft Blue (#6488EA). oklch(64.3% 0.17 262.7), rgb(83, 136, 243).
Aa
Black text reads best on this color (6.18:1).
About this color
#5388F3 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.170 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.022 away. Black text reads best on it, at 6.18:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.170) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.18:1 |
| White text | 3.39:1 |
Values
| HEX | #5388F3 |
| RGB | rgb(83, 136, 243) |
| HSL | hsl(220, 87%, 64%) |
| OKLCH | oklch(64.3% 0.17 262.7) |
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 #5388F3 | 3.39:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #5388F3 | 6.18:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #5388F3 text on white | 3.39:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #5388F3 text on black | 6.18:1 | AA | Lc -40.6 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C9DAF9
oklch(88.5% 0.047 262.5)
-
Step 300
300
#A4C1F7
oklch(80.9% 0.083 262.6)
-
Step 400
400
#739FF3
oklch(70.7% 0.133 262.5)
-
Step 500
500 (this color)
#5388F3
oklch(64.3% 0.17 262.7)
-
Step 600
600
#346BDD
oklch(55.6% 0.184 262.6)
-
Step 700
700
#2758C0
oklch(49% 0.172 262.8)
-
Step 800
800
#22499B
oklch(42.7% 0.141 262.8)
-
Step 900
900
#203E7C
oklch(37.7% 0.111 262.8)
-
Step 950
950
#132548
oklch(27% 0.069 262.3)
#5388F3 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) | #5493F7 | 0.029 |
| Deuteranopia (no green cones) | #3884F1 | 0.027 |
| Tritanopia (no blue cones) | #00A1B2 | 0.140 |
| Achromatopsia (no color) | #8B8B8B | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5388F3
#5388F3
oklch(64.3% 0.17 262.7)
- #B48400
#B48400
oklch(64.3% 0.132 82.8)
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 #5388F3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.022
- Dark Sky Blue #448EE4 ΔE 0.032
- Chefchaouen Blue #4895EF ΔE 0.036
- Dodger Blue #1E90FF ΔE 0.037
- Cornflower Blue #6495ED ΔE 0.043
- Cornflower #6A79F7 ΔE 0.043
- Clear Blue #247AFD ΔE 0.057
- Lavender Blue #8B88F8 ΔE 0.068
Use #5388F3 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.