#339E9D
Closest named color: Sea (#3C9992). oklch(64% 0.095 194.1), rgb(51, 158, 157).
Aa
Black text reads best on this color (6.51:1).
About this color
#339E9D is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.095 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.018 away. Black text reads best on it, at 6.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.51:1 |
| White text | 3.22:1 |
Values
| HEX | #339E9D |
| RGB | rgb(51, 158, 157) |
| HSL | hsl(179, 51%, 41%) |
| OKLCH | oklch(64% 0.095 194.1) |
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 #339E9D | 3.22:1 | AA large text | Lc -64.6 | Content text, not long reading |
| Black text on #339E9D | 6.51:1 | AA | Lc 44.9 | Non-text elements, placeholder text |
| #339E9D text on white | 3.22:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #339E9D text on black | 6.51:1 | AA | Lc -42.6 | 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 500.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDEC
oklch(93.6% 0.014 191.4)
-
Step 200
200
#C7DFDE
oklch(88.6% 0.026 193.6)
-
Step 300
300
#9FCBC9
oklch(81% 0.046 192.8)
-
Step 400
400
#65AFAE
oklch(70.6% 0.074 194.5)
-
Step 500
500 (this color)
#339E9D
oklch(64% 0.095 194.1)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#074C4B
oklch(37.8% 0.062 193.3)
-
Step 950
950
#092C2C
oklch(26.9% 0.039 195.1)
#339E9D 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) | #94969D | 0.099 |
| Deuteranopia (no green cones) | #848A9E | 0.093 |
| Tritanopia (no blue cones) | #00A39D | 0.019 |
| Achromatopsia (no color) | #8F8F8F | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #339E9D
#339E9D
oklch(64% 0.095 194.1)
- #BE747A
#BE747A
oklch(64% 0.094 14.8)
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 #339E9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.018
- Persian Green #2A9D8F ΔE 0.022
- Blue Green #0F9B8E ΔE 0.029
- Cadet Blue #5F9EA0 ΔE 0.035
- Dull Teal #5F9E8F ΔE 0.037
- Grey Teal #5E9B8A ΔE 0.038
- Teal Green #0A9396 ΔE 0.038
- Dusty Teal #4C9085 ΔE 0.045
Use #339E9D 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.