#348C99
Closest named color: Teal Blue (#01889F). oklch(59.3% 0.084 208.8), rgb(52, 140, 153).
Aa
Black text reads best on this color (5.35:1).
About this color
#348C99 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.084 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Teal Blue (#01889F), ΔE 0.026 away. Black text reads best on it, at 5.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Teal Blue (#01889F) |
| Black text | 5.35:1 |
| White text | 3.91:1 |
Values
| HEX | #348C99 |
| RGB | rgb(52, 140, 153) |
| HSL | hsl(188, 49%, 40%) |
| OKLCH | oklch(59.3% 0.084 208.8) |
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 #348C99 | 3.91:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #348C99 | 5.35:1 | AA | Lc 37.7 | Non-text elements, placeholder text |
| #348C99 text on white | 3.91:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #348C99 text on black | 5.35:1 | AA | Lc -35.3 | Non-text elements, placeholder text |
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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE0
oklch(88.4% 0.021 208.1)
-
Step 300
300
#A5C8CE
oklch(80.9% 0.038 209.1)
-
Step 400
400
#73ACB5
oklch(70.8% 0.061 208.3)
-
Step 500
500
#4A97A3
oklch(63.2% 0.078 208.8)
-
Step 600
600 (this color)
#348C99
oklch(59.3% 0.084 208.8)
-
Step 700
700
#166D78
oklch(49.2% 0.078 207.9)
-
Step 800
800
#175962
oklch(42.8% 0.065 208.3)
-
Step 900
900
#1B4950
oklch(37.7% 0.051 208.9)
-
Step 950
950
#112B2F
oklch(27% 0.033 208.6)
#348C99 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) | #80879A | 0.081 |
| Deuteranopia (no green cones) | #717C99 | 0.073 |
| Tritanopia (no blue cones) | #009290 | 0.031 |
| Achromatopsia (no color) | #818181 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #348C99
#348C99
oklch(59.3% 0.084 208.8)
- #AB6B61
#AB6B61
oklch(59.4% 0.084 29.4)
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 #348C99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal Blue #01889F ΔE 0.026
- Teal Green #0A9396 ΔE 0.026
- Dark Cyan #008B8B ΔE 0.031
- Dusty Teal #4C9085 ΔE 0.040
- Blue NCS #118AB2 ΔE 0.043
- Sea #3C9992 ΔE 0.045
- Cerulean #457B9D ΔE 0.053
- Dusty Blue #5A86AD ΔE 0.053
Use #348C99 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.