#347A87
Closest named color: Ocean (#017B92). oklch(54% 0.072 211.6), rgb(52, 122, 135).
Aa
White text reads best on this color (4.90:1).
About this color
#347A87 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.072 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.025 away. White text reads best on it, at 4.90:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.27:1 |
| White text | 4.90:1 |
Values
| HEX | #347A87 |
| RGB | rgb(52, 122, 135) |
| HSL | hsl(189, 44%, 37%) |
| OKLCH | oklch(54% 0.072 211.6) |
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 #347A87 | 4.90:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #347A87 | 4.27:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #347A87 text on white | 4.90:1 | AA | Lc 73.8 | Content text, not long reading |
| #347A87 text on black | 4.27:1 | AA large text | Lc -27.9 | 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
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDE0
oklch(88.6% 0.019 209.4)
-
Step 300
300
#AAC7CD
oklch(81% 0.032 211.6)
-
Step 400
400
#7BAAB3
oklch(70.8% 0.052 210.7)
-
Step 500
500
#5794A1
oklch(63% 0.066 212.8)
-
Step 600
600 (this color)
#347A87
oklch(54% 0.072 211.6)
-
Step 700
700
#2B6B77
oklch(49.2% 0.067 211.9)
-
Step 800
800
#255761
oklch(42.7% 0.056 212.7)
-
Step 900
900
#23484F
oklch(37.7% 0.044 211.3)
-
Step 950
950
#162A2E
oklch(27% 0.027 211.7)
#347A87 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) | #6F7688 | 0.067 |
| Deuteranopia (no green cones) | #636D87 | 0.061 |
| Tritanopia (no blue cones) | #00807E | 0.034 |
| Achromatopsia (no color) | #717171 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #347A87
#347A87
oklch(54% 0.072 211.6)
- #945F54
#945F54
oklch(54% 0.072 32.3)
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 #347A87, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.025
- Deep Aqua #08787F ΔE 0.027
- Teal #008080 ΔE 0.032
- Bluegreen #017A79 ΔE 0.034
- Metallic Blue #4F738E ΔE 0.036
- Sea Blue #047495 ΔE 0.040
- Cerulean #457B9D ΔE 0.040
- Deep Turquoise #017374 ΔE 0.045
Use #347A87 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.