#5397DC
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.2% 0.124 250.5), rgb(83, 151, 220).
Aa
Black text reads best on this color (6.82:1).
About this color
#5397DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.124 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.031 away. Black text reads best on it, at 6.82:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.124) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #5397DC |
| RGB | rgb(83, 151, 220) |
| HSL | hsl(210, 66%, 59%) |
| OKLCH | oklch(66.2% 0.124 250.5) |
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 #5397DC | 3.07:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #5397DC | 6.82:1 | AA | Lc 46.6 | Large or bold text, headings |
| #5397DC text on white | 3.07:1 | AA large text | Lc 57.4 | Large or bold text, headings |
| #5397DC text on black | 6.82:1 | AA | Lc -44.3 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300
#A4C4E7
oklch(80.9% 0.061 250.9)
-
Step 400
400
#71A5DB
oklch(70.7% 0.097 250.2)
-
Step 500
500 (this color)
#5397DC
oklch(66.2% 0.124 250.5)
-
Step 600
600
#2876BF
oklch(55.6% 0.136 250.6)
-
Step 700
700
#1A63A5
oklch(49.1% 0.126 250.6)
-
Step 800
800
#195185
oklch(42.7% 0.104 250.4)
-
Step 900
900
#1C446B
oklch(37.8% 0.081 250.3)
-
Step 950
950
#11283F
oklch(27.1% 0.052 250.3)
#5397DC 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) | #799ADF | 0.042 |
| Deuteranopia (no green cones) | #678DDB | 0.031 |
| Tritanopia (no blue cones) | #00A7B0 | 0.099 |
| Achromatopsia (no color) | #939393 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5397DC
#5397DC
oklch(66.2% 0.124 250.5)
- #C2842E
#C2842E
oklch(66.2% 0.124 70.8)
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 #5397DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.031
- Cornflower Blue #6495ED ΔE 0.033
- Dark Sky Blue #448EE4 ΔE 0.034
- Soft Blue #6488EA ΔE 0.051
- Faded Blue #658CBB ΔE 0.052
- Dodger Blue #1E90FF ΔE 0.067
- Water Blue #0E87CC ΔE 0.068
- Cool Blue #4984B8 ΔE 0.070
Use #5397DC 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.