#349FCE
Closest named color: Turquoise Blue (#06B1C4). oklch(66.3% 0.117 231.7), rgb(52, 159, 206).
Aa
Black text reads best on this color (6.99:1).
About this color
#349FCE is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.117 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.058 away. Black text reads best on it, at 6.99:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.117) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 6.99:1 |
| White text | 3.00:1 |
Values
| HEX | #349FCE |
| RGB | rgb(52, 159, 206) |
| HSL | hsl(198, 61%, 51%) |
| OKLCH | oklch(66.3% 0.117 231.7) |
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 #349FCE | 3.00:1 | AA large text | Lc -61.7 | Content text, not long reading |
| Black text on #349FCE | 6.99:1 | AA | Lc 47.7 | Large or bold text, headings |
| #349FCE text on white | 3.00:1 | AA large text | Lc 56.3 | Large or bold text, headings |
| #349FCE text on black | 6.99:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C5DDEB
oklch(88.4% 0.032 233.3)
-
Step 300
300
#9CC8E0
oklch(81% 0.057 232.2)
-
Step 400
400
#61ABD0
oklch(70.8% 0.092 231.8)
-
Step 500
500 (this color)
#349FCE
oklch(66.3% 0.117 231.7)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#014863
oklch(37.7% 0.076 232)
-
Step 950
950
#072A3A
oklch(26.9% 0.049 232.7)
#349FCE 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) | #879DD0 | 0.077 |
| Deuteranopia (no green cones) | #738ECD | 0.067 |
| Tritanopia (no blue cones) | #00ACAF | 0.070 |
| Achromatopsia (no color) | #959595 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #349FCE
#349FCE
oklch(66.3% 0.117 231.7)
- #CB7D4C
#CB7D4C
oklch(66.3% 0.117 51.6)
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 #349FCE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.058
- Faded Blue #658CBB ΔE 0.060
- Chefchaouen Blue #4895EF ΔE 0.064
- Dark Sky Blue #448EE4 ΔE 0.064
- Greyblue #77A1B5 ΔE 0.067
- Cornflower Blue #6495ED ΔE 0.071
- Blue NCS #118AB2 ΔE 0.071
- Cadet Blue #5F9EA0 ΔE 0.073
Use #349FCE 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.