#5380BB
Closest named color: Cool Blue (#4984B8). oklch(59.3% 0.104 255.7), rgb(83, 128, 187).
Aa
Black text reads best on this color (5.17:1).
About this color
#5380BB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.104 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.016 away. Black text reads best on it, at 5.17:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.17:1 |
| White text | 4.05:1 |
Values
| HEX | #5380BB |
| RGB | rgb(83, 128, 187) |
| HSL | hsl(214, 43%, 53%) |
| OKLCH | oklch(59.3% 0.104 255.7) |
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 #5380BB | 4.05:1 | AA large text | Lc -73.2 | Content text, not long reading |
| Black text on #5380BB | 5.17:1 | AA | Lc 36.4 | Non-text elements, placeholder text |
| #5380BB text on white | 4.05:1 | AA large text | Lc 67.7 | Content text, not long reading |
| #5380BB text on black | 5.17:1 | AA | Lc -34.0 | 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 600.
-
Step 50
50
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CEDAEB
oklch(88.4% 0.027 257)
-
Step 300
300
#ADC3DF
oklch(81% 0.046 254.5)
-
Step 400
400
#82A3CF
oklch(70.7% 0.074 255.8)
-
Step 500
500
#628CC2
oklch(63.2% 0.094 255.1)
-
Step 600
600 (this color)
#5380BB
oklch(59.3% 0.104 255.7)
-
Step 700
700
#3A6296
oklch(49.1% 0.095 255.6)
-
Step 800
800
#30507A
oklch(42.7% 0.08 255.7)
-
Step 900
900
#2B4362
oklch(37.8% 0.061 255.3)
-
Step 950
950
#192739
oklch(26.9% 0.039 255.1)
#5380BB 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) | #6884BE | 0.028 |
| Deuteranopia (no green cones) | #5B7ABA | 0.018 |
| Tritanopia (no blue cones) | #0B8D95 | 0.091 |
| Achromatopsia (no color) | #7E7E7E | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5380BB
#5380BB
oklch(59.3% 0.104 255.7)
- #A2752D
#A2752D
oklch(59.4% 0.104 75.7)
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 #5380BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.016
- Steel Blue #4682B4 ΔE 0.019
- Off Blue #5684AE ΔE 0.026
- Dusty Blue #5A86AD ΔE 0.032
- Windows Blue #3778BF ΔE 0.038
- Faded Blue #658CBB ΔE 0.042
- Water Blue #0E87CC ΔE 0.046
- Stormy Blue #507B9C ΔE 0.048
Use #5380BB 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.