#347C8D
Closest named color: Ocean (#017B92). oklch(54.8% 0.076 215.8), rgb(52, 124, 141).
Aa
White text reads best on this color (4.75:1).
About this color
#347C8D is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 55%, its chroma 0.076 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.023 away. White text reads best on it, at 4.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #347C8D |
| RGB | rgb(52, 124, 141) |
| HSL | hsl(191, 46%, 38%) |
| OKLCH | oklch(54.8% 0.076 215.8) |
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 #347C8D | 4.75:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #347C8D | 4.41:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #347C8D text on white | 4.75:1 | AA | Lc 72.8 | Content text, not long reading |
| #347C8D text on black | 4.41:1 | AA large text | Lc -28.9 | 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
#CCDDE1
oklch(88.6% 0.019 213.4)
-
Step 300
300
#A9C7CF
oklch(81% 0.034 215.6)
-
Step 400
400
#79AAB6
oklch(70.8% 0.055 214.6)
-
Step 500
500
#5594A4
oklch(63% 0.069 216)
-
Step 600
600 (this color)
#347C8D
oklch(54.8% 0.076 215.8)
-
Step 700
700
#286B7A
oklch(49.2% 0.07 215.2)
-
Step 800
800
#235763
oklch(42.7% 0.058 215.3)
-
Step 900
900
#224851
oklch(37.8% 0.046 215.1)
-
Step 950
950
#152A2F
oklch(27% 0.028 214.7)
#347C8D 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) | #70788E | 0.067 |
| Deuteranopia (no green cones) | #636F8D | 0.060 |
| Tritanopia (no blue cones) | #008281 | 0.037 |
| Achromatopsia (no color) | #737373 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #347C8D
#347C8D
oklch(54.8% 0.076 215.8)
- #986152
#986152
oklch(54.9% 0.076 36)
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 #347C8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.023
- Cerulean #457B9D ΔE 0.032
- Deep Aqua #08787F ΔE 0.034
- Metallic Blue #4F738E ΔE 0.035
- Teal #008080 ΔE 0.035
- Stormy Blue #507B9C ΔE 0.038
- Teal Blue #01889F ΔE 0.039
- Sea Blue #047495 ΔE 0.039
Use #347C8D 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.