#5397E4
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.6% 0.134 253), rgb(83, 151, 228).
Aa
Black text reads best on this color (6.91:1).
About this color
#5397E4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.134 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.020 away. Black text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.134) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.91:1 |
| White text | 3.03:1 |
Values
| HEX | #5397E4 |
| RGB | rgb(83, 151, 228) |
| HSL | hsl(212, 73%, 61%) |
| OKLCH | oklch(66.6% 0.134 253) |
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 #5397E4 | 3.03:1 | AA large text | Lc -62.3 | Content text, not long reading |
| Black text on #5397E4 | 6.91:1 | AA | Lc 47.1 | Large or bold text, headings |
| #5397E4 text on white | 3.03:1 | AA large text | Lc 56.9 | Large or bold text, headings |
| #5397E4 text on black | 6.91:1 | AA | Lc -44.8 | 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
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF1
oklch(88.5% 0.036 253.5)
-
Step 300
300
#A3C4EB
oklch(81% 0.066 252.8)
-
Step 400
400
#70A4E1
oklch(70.7% 0.106 253.1)
-
Step 500
500 (this color)
#5397E4
oklch(66.6% 0.134 253)
-
Step 600
600
#2774C6
oklch(55.5% 0.147 253.3)
-
Step 700
700
#1961AB
oklch(49% 0.137 253.3)
-
Step 800
800
#18508A
oklch(42.7% 0.112 252.8)
-
Step 900
900
#1B436F
oklch(37.8% 0.088 253)
-
Step 950
950
#112741
oklch(26.9% 0.056 253.9)
#5397E4 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) | #769CE7 | 0.041 |
| Deuteranopia (no green cones) | #628EE2 | 0.026 |
| Tritanopia (no blue cones) | #00A9B3 | 0.108 |
| Achromatopsia (no color) | #949494 | 0.134 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5397E4
#5397E4
oklch(66.6% 0.134 253)
- #C5851B
#C5851B
oklch(66.6% 0.134 73.1)
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 #5397E4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.020
- Cornflower Blue #6495ED ΔE 0.023
- Dark Sky Blue #448EE4 ΔE 0.030
- Soft Blue #6488EA ΔE 0.044
- Dodger Blue #1E90FF ΔE 0.057
- Faded Blue #658CBB ΔE 0.062
- Water Blue #0E87CC ΔE 0.072
- Perrywinkle #8F8CE7 ΔE 0.072
Use #5397E4 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.