#399F89
Closest named color: Persian Green (#2A9D8F). oklch(63.8% 0.099 176), rgb(57, 159, 137).
Aa
Black text reads best on this color (6.49:1).
About this color
#399F89 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 64%, its chroma 0.099 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.014 away. Black text reads best on it, at 6.49:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.49:1 |
| White text | 3.23:1 |
Values
| HEX | #399F89 |
| RGB | rgb(57, 159, 137) |
| HSL | hsl(167, 47%, 42%) |
| OKLCH | oklch(63.8% 0.099 176) |
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 #399F89 | 3.23:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #399F89 | 6.49:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #399F89 text on white | 3.23:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #399F89 text on black | 6.49:1 | AA | Lc -42.4 | 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
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C8DFD8
oklch(88.5% 0.026 175.5)
-
Step 300
300
#A0CBBF
oklch(80.8% 0.048 176.1)
-
Step 400
400
#69B19F
oklch(70.8% 0.078 176.1)
-
Step 500
500 (this color)
#399F89
oklch(63.8% 0.099 176)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#0D4D40
oklch(37.8% 0.066 175.3)
-
Step 950
950
#0B2D26
oklch(27% 0.041 176.9)
#399F89 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) | #999588 | 0.104 |
| Deuteranopia (no green cones) | #8B8B8B | 0.099 |
| Tritanopia (no blue cones) | #00A198 | 0.025 |
| Achromatopsia (no color) | #8F8F8F | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399F89
#399F89
oklch(63.8% 0.099 176)
- #BB718D
#BB718D
oklch(63.7% 0.099 356.1)
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 #399F89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.014
- Blue Green #0F9B8E ΔE 0.024
- Sea #3C9992 ΔE 0.026
- Grey Teal #5E9B8A ΔE 0.031
- Ocean Green #3D9973 ΔE 0.031
- Dull Teal #5F9E8F ΔE 0.034
- Dusty Teal #4C9085 ΔE 0.044
- Jade #1FA774 ΔE 0.047
Use #399F89 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.