#439589
Closest named color: Sea (#3C9992). oklch(61.5% 0.082 182.6), rgb(67, 149, 137).
Aa
Black text reads best on this color (5.89:1).
About this color
#439589 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.082 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.015 away. Black text reads best on it, at 5.89:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 5.89:1 |
| White text | 3.56:1 |
Values
| HEX | #439589 |
| RGB | rgb(67, 149, 137) |
| HSL | hsl(171, 38%, 42%) |
| OKLCH | oklch(61.5% 0.082 182.6) |
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 #439589 | 3.56:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #439589 | 5.89:1 | AA | Lc 41.1 | Non-text elements, placeholder text |
| #439589 text on white | 3.56:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #439589 text on black | 5.89:1 | AA | Lc -38.7 | 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
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CADEDA
oklch(88.5% 0.022 182.5)
-
Step 300
300
#A5CAC3
oklch(81% 0.041 182.5)
-
Step 400
400
#72AEA4
oklch(70.7% 0.064 182.8)
-
Step 500
500 (this color)
#439589
oklch(61.5% 0.082 182.6)
-
Step 600
600
#228478
oklch(55.6% 0.089 183)
-
Step 700
700
#117065
oklch(49.2% 0.083 182.7)
-
Step 800
800
#145B52
oklch(42.7% 0.069 182.5)
-
Step 900
900
#1A4B44
oklch(37.7% 0.054 182.4)
-
Step 950
950
#112C28
oklch(27% 0.034 182.9)
#439589 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) | #8F8D89 | 0.088 |
| Deuteranopia (no green cones) | #82848A | 0.083 |
| Tritanopia (no blue cones) | #099891 | 0.025 |
| Achromatopsia (no color) | #888888 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #439589
#439589
oklch(61.5% 0.082 182.6)
- #AE7080
#AE7080
oklch(61.5% 0.081 2.9)
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 #439589, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.015
- Dusty Teal #4C9085 ΔE 0.015
- Persian Green #2A9D8F ΔE 0.024
- Blue Green #0F9B8E ΔE 0.026
- Grey Teal #5E9B8A ΔE 0.032
- Teal Green #0A9396 ΔE 0.033
- Ocean Green #3D9973 ΔE 0.039
- Dull Teal #5F9E8F ΔE 0.040
Use #439589 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.