#399684
Closest named color: Blue Green (#0F9B8E). oklch(61.3% 0.092 178), rgb(57, 150, 132).
Aa
Black text reads best on this color (5.86:1).
About this color
#399684 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.092 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.021 away. Black text reads best on it, at 5.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 5.86:1 |
| White text | 3.57:1 |
Values
| HEX | #399684 |
| RGB | rgb(57, 150, 132) |
| HSL | hsl(168, 45%, 41%) |
| OKLCH | oklch(61.3% 0.092 178) |
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 #399684 | 3.57:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #399684 | 5.86:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #399684 text on white | 3.57:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #399684 text on black | 5.86:1 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDEA
oklch(93.6% 0.013 179.5)
-
Step 200
200
#C9DFD9
oklch(88.6% 0.025 177.6)
-
Step 300
300
#A2CBC0
oklch(80.9% 0.046 176.9)
-
Step 400
400
#6DB0A1
oklch(70.8% 0.072 178.3)
-
Step 500
500 (this color)
#399684
oklch(61.3% 0.092 178)
-
Step 600
600
#0D8673
oklch(55.6% 0.1 177.8)
-
Step 700
700
#007161
oklch(49.1% 0.09 178.4)
-
Step 800
800
#055C4F
oklch(42.6% 0.076 178.5)
-
Step 900
900
#144C42
oklch(37.8% 0.06 178.6)
-
Step 950
950
#0E2C26
oklch(26.8% 0.038 178.1)
#399684 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) | #908D83 | 0.096 |
| Deuteranopia (no green cones) | #828385 | 0.092 |
| Tritanopia (no blue cones) | #009891 | 0.024 |
| Achromatopsia (no color) | #878787 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399684
#399684
oklch(61.3% 0.092 178)
- #B16C84
#B16C84
oklch(61.3% 0.093 357.8)
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 #399684, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.021
- Sea #3C9992 ΔE 0.021
- Persian Green #2A9D8F ΔE 0.022
- Dusty Teal #4C9085 ΔE 0.022
- Ocean Green #3D9973 ΔE 0.029
- Teal Green #0A9396 ΔE 0.035
- Grey Teal #5E9B8A ΔE 0.038
- Dull Teal #5F9E8F ΔE 0.045
Use #399684 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.