#4E97D9
Closest named color: Dark Sky Blue (#448EE4). oklch(65.8% 0.123 248.1), rgb(78, 151, 217).
Aa
Black text reads best on this color (6.75:1).
About this color
#4E97D9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.123 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.034 away. Black text reads best on it, at 6.75:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.123) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.75:1 |
| White text | 3.10:1 |
Values
| HEX | #4E97D9 |
| RGB | rgb(78, 151, 217) |
| HSL | hsl(208, 65%, 58%) |
| OKLCH | oklch(65.8% 0.123 248.1) |
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 #4E97D9 | 3.10:1 | AA large text | Lc -63.2 | Content text, not long reading |
| Black text on #4E97D9 | 6.75:1 | AA | Lc 46.2 | Large or bold text, headings |
| #4E97D9 text on white | 3.10:1 | AA large text | Lc 57.9 | Large or bold text, headings |
| #4E97D9 text on black | 6.75:1 | AA | Lc -43.9 | 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
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCEF
oklch(88.5% 0.034 246.8)
-
Step 300
300
#A3C5E6
oklch(81% 0.059 247.8)
-
Step 400
400
#6FA6DA
oklch(70.7% 0.096 248)
-
Step 500
500 (this color)
#4E97D9
oklch(65.8% 0.123 248.1)
-
Step 600
600
#2177BD
oklch(55.5% 0.134 248.2)
-
Step 700
700
#1264A3
oklch(49.1% 0.124 248.1)
-
Step 800
800
#145284
oklch(42.7% 0.103 248)
-
Step 900
900
#19446A
oklch(37.7% 0.081 248.4)
-
Step 950
950
#10283E
oklch(27% 0.051 248.4)
#4E97D9 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) | #7A9ADC | 0.048 |
| Deuteranopia (no green cones) | #678CD8 | 0.035 |
| Tritanopia (no blue cones) | #00A7AE | 0.096 |
| Achromatopsia (no color) | #929292 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E97D9
#4E97D9
oklch(65.8% 0.123 248.1)
- #C38231
#C38231
oklch(65.9% 0.123 68.1)
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 #4E97D9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.034
- Chefchaouen Blue #4895EF ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.039
- Faded Blue #658CBB ΔE 0.049
- Soft Blue #6488EA ΔE 0.055
- Water Blue #0E87CC ΔE 0.063
- Cool Blue #4984B8 ΔE 0.066
- Dodger Blue #1E90FF ΔE 0.069
Use #4E97D9 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.