#347A8E
Closest named color: Ocean (#017B92). oklch(54.3% 0.076 219.6), rgb(52, 122, 142).
Aa
White text reads best on this color (4.86:1).
About this color
#347A8E is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.076 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.021 away. White text reads best on it, at 4.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.32:1 |
| White text | 4.86:1 |
Values
| HEX | #347A8E |
| RGB | rgb(52, 122, 142) |
| HSL | hsl(193, 46%, 38%) |
| OKLCH | oklch(54.3% 0.076 219.6) |
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 #347A8E | 4.86:1 | AA | Lc -78.9 | Fine for body text |
| Black text on #347A8E | 4.32:1 | AA large text | Lc 30.6 | Non-text elements, placeholder text |
| #347A8E text on white | 4.86:1 | AA | Lc 73.5 | Content text, not long reading |
| #347A8E text on black | 4.32:1 | AA large text | Lc -28.2 | Dividers and decoration only |
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 600.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDCE2
oklch(88.4% 0.019 222.2)
-
Step 300
300
#A9C6D0
oklch(80.8% 0.034 220.6)
-
Step 400
400
#7AA9B8
oklch(70.7% 0.055 219.6)
-
Step 500
500
#5694A7
oklch(63.2% 0.07 219.7)
-
Step 600
600 (this color)
#347A8E
oklch(54.3% 0.076 219.6)
-
Step 700
700
#2A6A7C
oklch(49.1% 0.07 219.5)
-
Step 800
800
#245665
oklch(42.6% 0.059 220.5)
-
Step 900
900
#234752
oklch(37.6% 0.045 220)
-
Step 950
950
#152A30
oklch(27% 0.029 218.2)
#347A8E 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) | #6E778F | 0.065 |
| Deuteranopia (no green cones) | #616D8E | 0.058 |
| Tritanopia (no blue cones) | #008180 | 0.041 |
| Achromatopsia (no color) | #717171 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #347A8E
#347A8E
oklch(54.3% 0.076 219.6)
- #96604E
#96604E
oklch(54.3% 0.076 39.2)
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 #347A8E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.021
- Cerulean #457B9D ΔE 0.030
- Metallic Blue #4F738E ΔE 0.031
- Sea Blue #047495 ΔE 0.034
- Deep Aqua #08787F ΔE 0.035
- Dull Blue #49759C ΔE 0.036
- Stormy Blue #507B9C ΔE 0.037
- Teal #008080 ΔE 0.040
Use #347A8E 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.