#108FED
Closest named color: Dark Sky Blue (#448EE4). oklch(63.7% 0.171 249), rgb(16, 143, 237).
Aa
Black text reads best on this color (6.17:1).
About this color
#108FED is a medium-light, vivid blue. In OKLCH its lightness is 64%, its chroma 0.171 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.026 away. Black text reads best on it, at 6.17:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.171) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.17:1 |
| White text | 3.40:1 |
Values
| HEX | #108FED |
| RGB | rgb(16, 143, 237) |
| HSL | hsl(206, 87%, 50%) |
| OKLCH | oklch(63.7% 0.171 249) |
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 #108FED | 3.40:1 | AA large text | Lc -66.3 | Content text, not long reading |
| Black text on #108FED | 6.17:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #108FED text on white | 3.40:1 | AA large text | Lc 60.8 | Content text, not long reading |
| #108FED text on black | 6.17:1 | AA | Lc -40.9 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECFA
oklch(93.7% 0.024 248.1)
-
Step 200
200
#C2DCF7
oklch(88.4% 0.047 249.4)
-
Step 300
300
#96C6F5
oklch(81% 0.084 248.4)
-
Step 400
400
#57A6F0
oklch(70.7% 0.134 248.9)
-
Step 500
500 (this color)
#108FED
oklch(63.7% 0.171 249)
-
Step 600
600
#0076C8
oklch(55.5% 0.154 249.2)
-
Step 700
700
#0063A9
oklch(49% 0.136 249.1)
-
Step 800
800
#00518C
oklch(42.7% 0.118 249.2)
-
Step 900
900
#004376
oklch(37.6% 0.105 249.5)
-
Step 950
950
#032847
oklch(27.1% 0.07 248.8)
#108FED 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) | #6095F1 | 0.055 |
| Deuteranopia (no green cones) | #3C83EB | 0.033 |
| Tritanopia (no blue cones) | #00A6B2 | 0.124 |
| Achromatopsia (no color) | #8B8B8B | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #108FED
#108FED
oklch(63.7% 0.171 249)
- #C07900
#C07900
oklch(63.6% 0.139 69.3)
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 #108FED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.026
- Dodger Blue #1E90FF ΔE 0.028
- Chefchaouen Blue #4895EF ΔE 0.035
- Water Blue #0E87CC ΔE 0.052
- Soft Blue #6488EA ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.059
- Clear Blue #247AFD ΔE 0.061
- Cornflower #6A79F7 ΔE 0.081
Use #108FED 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.