#43939A
Closest named color: Sea (#3C9992). oklch(61.6% 0.078 203.1), rgb(67, 147, 154).
Aa
Black text reads best on this color (5.87:1).
About this color
#43939A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.078 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.025 away. Black text reads best on it, at 5.87:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #43939A |
| RGB | rgb(67, 147, 154) |
| HSL | hsl(185, 39%, 43%) |
| OKLCH | oklch(61.6% 0.078 203.1) |
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 #43939A | 3.57:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #43939A | 5.87:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #43939A text on white | 3.57:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #43939A text on black | 5.87:1 | AA | Lc -38.6 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADEDF
oklch(88.6% 0.021 200.4)
-
Step 300
300
#A5C8CC
oklch(80.9% 0.038 205)
-
Step 400
400
#72ACB2
oklch(70.7% 0.061 204.1)
-
Step 500
500 (this color)
#43939A
oklch(61.6% 0.078 203.1)
-
Step 600
600
#228289
oklch(55.7% 0.085 202.3)
-
Step 700
700
#116E75
oklch(49.2% 0.08 203)
-
Step 800
800
#14595F
oklch(42.6% 0.066 203.7)
-
Step 900
900
#1A4A4E
oklch(37.9% 0.051 202.8)
-
Step 950
950
#112B2D
oklch(27% 0.032 202.1)
#43939A 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) | #898D9B | 0.079 |
| Deuteranopia (no green cones) | #7B839A | 0.073 |
| Tritanopia (no blue cones) | #009895 | 0.032 |
| Achromatopsia (no color) | #878787 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43939A
#43939A
oklch(61.6% 0.078 203.1)
- #B0726F
#B0726F
oklch(61.7% 0.079 22.6)
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 #43939A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.025
- Teal Green #0A9396 ΔE 0.028
- Dusty Teal #4C9085 ΔE 0.030
- Persian Green #2A9D8F ΔE 0.041
- Blue Green #0F9B8E ΔE 0.042
- Cadet Blue #5F9EA0 ΔE 0.044
- Grey Teal #5E9B8A ΔE 0.046
- Dark Cyan #008B8B ΔE 0.046
Use #43939A 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.