#5387F8
Closest named color: Soft Blue (#6488EA). oklch(64.4% 0.178 263.6), rgb(83, 135, 248).
Aa
Black text reads best on this color (6.18:1).
About this color
#5387F8 is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.178 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.027 away. Black text reads best on it, at 6.18:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.18:1 |
| White text | 3.39:1 |
Values
| HEX | #5387F8 |
| RGB | rgb(83, 135, 248) |
| HSL | hsl(221, 92%, 65%) |
| OKLCH | oklch(64.4% 0.178 263.6) |
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 #5387F8 | 3.39:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #5387F8 | 6.18:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #5387F8 text on white | 3.39:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #5387F8 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C9DAFA
oklch(88.6% 0.048 263.1)
-
Step 300
300
#A4C1FA
oklch(81% 0.087 263.6)
-
Step 400
400
#739EF7
oklch(70.7% 0.139 263.7)
-
Step 500
500 (this color)
#5387F8
oklch(64.4% 0.178 263.6)
-
Step 600
600
#3469E2
oklch(55.5% 0.193 263.5)
-
Step 700
700
#2857C5
oklch(49.2% 0.18 263.6)
-
Step 800
800
#22489F
oklch(42.8% 0.148 263.6)
-
Step 900
900
#203D7E
oklch(37.7% 0.116 263.7)
-
Step 950
950
#13244A
oklch(26.9% 0.074 264)
#5387F8 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) | #4E93FC | 0.030 |
| Deuteranopia (no green cones) | #2D84F6 | 0.032 |
| Tritanopia (no blue cones) | #00A1B3 | 0.146 |
| Achromatopsia (no color) | #8B8B8B | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5387F8
#5387F8
oklch(64.4% 0.178 263.6)
- #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 #5387F8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.027
- Dodger Blue #1E90FF ΔE 0.036
- Cornflower #6A79F7 ΔE 0.039
- Dark Sky Blue #448EE4 ΔE 0.040
- Chefchaouen Blue #4895EF ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.048
- Clear Blue #247AFD ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.068
Use #5387F8 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.