#5197E2
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.4% 0.133 251.9), rgb(81, 151, 226).
Aa
Black text reads best on this color (6.87:1).
About this color
#5197E2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.133 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.022 away. Black text reads best on it, at 6.87:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.133) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.87:1 |
| White text | 3.05:1 |
Values
| HEX | #5197E2 |
| RGB | rgb(81, 151, 226) |
| HSL | hsl(211, 71%, 60%) |
| OKLCH | oklch(66.4% 0.133 251.9) |
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 #5197E2 | 3.05:1 | AA large text | Lc -62.5 | Content text, not long reading |
| Black text on #5197E2 | 6.87:1 | AA | Lc 46.9 | Large or bold text, headings |
| #5197E2 text on white | 3.05:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #5197E2 text on black | 6.87:1 | AA | Lc -44.6 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C8DBF1
oklch(88.4% 0.037 252.1)
-
Step 300
300
#A3C4EA
oklch(80.9% 0.065 252.2)
-
Step 400
400
#6FA5E0
oklch(70.8% 0.104 251.5)
-
Step 500
500 (this color)
#5197E2
oklch(66.4% 0.133 251.9)
-
Step 600
600
#2475C4
oklch(55.5% 0.144 251.8)
-
Step 700
700
#1662AA
oklch(49.1% 0.135 252)
-
Step 800
800
#165089
oklch(42.6% 0.111 252)
-
Step 900
900
#1A436E
oklch(37.7% 0.087 252.1)
-
Step 950
950
#102840
oklch(27.1% 0.054 250.5)
#5197E2 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) | #769BE5 | 0.041 |
| Deuteranopia (no green cones) | #628DE1 | 0.029 |
| Tritanopia (no blue cones) | #00A8B2 | 0.105 |
| Achromatopsia (no color) | #939393 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5197E2
#5197E2
oklch(66.4% 0.133 251.9)
- #C5841F
#C5841F
oklch(66.4% 0.133 71.9)
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 #5197E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.022
- Cornflower Blue #6495ED ΔE 0.026
- Dark Sky Blue #448EE4 ΔE 0.029
- Soft Blue #6488EA ΔE 0.046
- Dodger Blue #1E90FF ΔE 0.059
- Faded Blue #658CBB ΔE 0.060
- Water Blue #0E87CC ΔE 0.070
- Perrywinkle #8F8CE7 ΔE 0.075
Use #5197E2 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.