#349BE7
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.6% 0.146 245.3), rgb(52, 155, 231).
Aa
Black text reads best on this color (6.98:1).
About this color
#349BE7 is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.146 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.025 away. Black text reads best on it, at 6.98:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #349BE7 |
| RGB | rgb(52, 155, 231) |
| HSL | hsl(205, 79%, 55%) |
| OKLCH | oklch(66.6% 0.146 245.3) |
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 #349BE7 | 3.00:1 | AA large text | Lc -61.7 | Content text, not long reading |
| Black text on #349BE7 | 6.98:1 | AA | Lc 47.7 | Large or bold text, headings |
| #349BE7 text on white | 3.00:1 | AA large text | Lc 56.3 | Large or bold text, headings |
| #349BE7 text on black | 6.98:1 | AA | Lc -45.4 | Large or bold text, headings |
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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C4DDF2
oklch(88.6% 0.039 243.5)
-
Step 300
300
#9AC6EC
oklch(80.8% 0.071 244.9)
-
Step 400
400
#5FA7E3
oklch(70.6% 0.114 245.5)
-
Step 500
500 (this color)
#349BE7
oklch(66.6% 0.146 245.3)
-
Step 600
600
#0079BF
oklch(55.7% 0.14 245)
-
Step 700
700
#0065A2
oklch(49% 0.125 245.5)
-
Step 800
800
#005386
oklch(42.8% 0.108 245.3)
-
Step 900
900
#014570
oklch(37.7% 0.095 245.1)
-
Step 950
950
#072942
oklch(27.1% 0.06 245.2)
#349BE7 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) | #789EEA | 0.061 |
| Deuteranopia (no green cones) | #5E8DE6 | 0.045 |
| Tritanopia (no blue cones) | #00ADB6 | 0.103 |
| Achromatopsia (no color) | #959595 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #349BE7
#349BE7
oklch(66.6% 0.146 245.3)
- #D07E0F
#D07E0F
oklch(66.6% 0.146 64.9)
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 #349BE7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.025
- Dark Sky Blue #448EE4 ΔE 0.034
- Cornflower Blue #6495ED ΔE 0.041
- Dodger Blue #1E90FF ΔE 0.052
- Soft Blue #6488EA ΔE 0.060
- Water Blue #0E87CC ΔE 0.068
- Faded Blue #658CBB ΔE 0.074
- Cool Blue #4984B8 ΔE 0.083
Use #349BE7 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.