#349BD8
Closest named color: Dark Sky Blue (#448EE4). oklch(65.8% 0.129 239.6), rgb(52, 155, 216).
Aa
Black text reads best on this color (6.82:1).
About this color
#349BD8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.129 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.044 away. Black text reads best on it, at 6.82:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #349BD8 |
| RGB | rgb(52, 155, 216) |
| HSL | hsl(202, 68%, 53%) |
| OKLCH | oklch(65.8% 0.129 239.6) |
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 #349BD8 | 3.07:1 | AA large text | Lc -62.7 | Content text, not long reading |
| Black text on #349BD8 | 6.82:1 | AA | Lc 46.8 | Large or bold text, headings |
| #349BD8 text on white | 3.07:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #349BD8 text on black | 6.82:1 | AA | Lc -44.5 | 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
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C5DDEE
oklch(88.5% 0.035 238.7)
-
Step 300
300
#9CC7E6
oklch(81% 0.063 239.9)
-
Step 400
400
#61A9D9
oklch(70.7% 0.101 239.5)
-
Step 500
500 (this color)
#349BD8
oklch(65.8% 0.129 239.6)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#034669
oklch(37.6% 0.084 239.9)
-
Step 950
950
#07293E
oklch(26.9% 0.055 240.7)
#349BD8 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) | #7E9BDB | 0.068 |
| Deuteranopia (no green cones) | #688CD7 | 0.055 |
| Tritanopia (no blue cones) | #00AAB0 | 0.086 |
| Achromatopsia (no color) | #939393 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #349BD8
#349BD8
oklch(65.8% 0.129 239.6)
- #CB7C35
#CB7C35
oklch(65.8% 0.129 59.1)
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 #349BD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.044
- Chefchaouen Blue #4895EF ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.055
- Faded Blue #658CBB ΔE 0.059
- Water Blue #0E87CC ΔE 0.061
- Cool Blue #4984B8 ΔE 0.070
- Soft Blue #6488EA ΔE 0.071
- Dodger Blue #1E90FF ΔE 0.072
Use #349BD8 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.