#5388D6
Closest named color: Dark Sky Blue (#448EE4). oklch(62.6% 0.131 258), rgb(83, 136, 214).
Aa
Black text reads best on this color (5.86:1).
About this color
#5388D6 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.131 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.025 away. Black text reads best on it, at 5.86:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.86:1 |
| White text | 3.58:1 |
Values
| HEX | #5388D6 |
| RGB | rgb(83, 136, 214) |
| HSL | hsl(216, 62%, 58%) |
| OKLCH | oklch(62.6% 0.131 258) |
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 #5388D6 | 3.58:1 | AA large text | Lc -68.7 | Content text, not long reading |
| Black text on #5388D6 | 5.86:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #5388D6 text on white | 3.58:1 | AA large text | Lc 63.2 | Content text, not long reading |
| #5388D6 text on black | 5.86:1 | AA | Lc -38.5 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CBDAF1
oklch(88.4% 0.036 258.9)
-
Step 300
300
#A7C2EB
oklch(80.8% 0.065 258.6)
-
Step 400
400
#78A2E0
oklch(70.7% 0.102 258)
-
Step 500
500 (this color)
#5388D6
oklch(62.6% 0.131 258)
-
Step 600
600
#3972C5
oklch(55.6% 0.142 258)
-
Step 700
700
#2B5FAA
oklch(49% 0.132 257.9)
-
Step 800
800
#254E8A
oklch(42.7% 0.11 258.1)
-
Step 900
900
#23416E
oklch(37.6% 0.085 258.3)
-
Step 950
950
#152741
oklch(27.2% 0.054 257.6)
#5388D6 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) | #678ED9 | 0.029 |
| Deuteranopia (no green cones) | #5582D4 | 0.016 |
| Tritanopia (no blue cones) | #009AA5 | 0.111 |
| Achromatopsia (no color) | #878787 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5388D6
#5388D6
oklch(62.6% 0.131 258)
- #B27C00
#B27C00
oklch(62.5% 0.13 78.1)
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 #5388D6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.025
- Soft Blue #6488EA ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.045
- Water Blue #0E87CC ΔE 0.046
- Cool Blue #4984B8 ΔE 0.048
- Faded Blue #658CBB ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.051
- Steel Blue #4682B4 ΔE 0.055
Use #5388D6 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.