#368ADA
Closest named color: Dark Sky Blue (#448EE4). oklch(62.1% 0.145 250.5), rgb(54, 138, 218).
Aa
Black text reads best on this color (5.80:1).
About this color
#368ADA is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.145 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.022 away. Black text reads best on it, at 5.80:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.80:1 |
| White text | 3.61:1 |
Values
| HEX | #368ADA |
| RGB | rgb(54, 138, 218) |
| HSL | hsl(209, 69%, 53%) |
| OKLCH | oklch(62.1% 0.145 250.5) |
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 #368ADA | 3.61:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #368ADA | 5.80:1 | AA | Lc 40.7 | Non-text elements, placeholder text |
| #368ADA text on white | 3.61:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #368ADA text on black | 5.80:1 | AA | Lc -38.3 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF8
oklch(93.6% 0.021 252.5)
-
Step 200
200
#C6DCF3
oklch(88.5% 0.04 249.5)
-
Step 300
300
#9FC5EE
oklch(81% 0.071 250.6)
-
Step 400
400
#68A5E5
oklch(70.7% 0.114 250.8)
-
Step 500
500 (this color)
#368ADA
oklch(62.1% 0.145 250.5)
-
Step 600
600
#0575CB
oklch(55.5% 0.158 250.7)
-
Step 700
700
#0062AD
oklch(49.1% 0.142 250.8)
-
Step 800
800
#02508E
oklch(42.6% 0.122 250.7)
-
Step 900
900
#114371
oklch(37.6% 0.094 250.6)
-
Step 950
950
#0C2842
oklch(27.1% 0.059 249.5)
#368ADA 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) | #658FDD | 0.046 |
| Deuteranopia (no green cones) | #4C80D8 | 0.029 |
| Tritanopia (no blue cones) | #009DA7 | 0.109 |
| Achromatopsia (no color) | #868686 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #368ADA
#368ADA
oklch(62.1% 0.145 250.5)
- #B97600
#B97600
oklch(62.2% 0.134 70.4)
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 #368ADA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.022
- Water Blue #0E87CC ΔE 0.030
- Chefchaouen Blue #4895EF ΔE 0.044
- Soft Blue #6488EA ΔE 0.050
- Cool Blue #4984B8 ΔE 0.051
- Dodger Blue #1E90FF ΔE 0.055
- Steel Blue #4682B4 ΔE 0.058
- Windows Blue #3778BF ΔE 0.059
Use #368ADA 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.