#398E7A
Closest named color: Dusty Teal (#4C9085). oklch(58.9% 0.088 175), rgb(57, 142, 122).
Aa
Black text reads best on this color (5.32:1).
About this color
#398E7A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 59%, its chroma 0.088 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.025 away. Black text reads best on it, at 5.32:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #398E7A |
| RGB | rgb(57, 142, 122) |
| HSL | hsl(166, 43%, 39%) |
| OKLCH | oklch(58.9% 0.088 175) |
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 #398E7A | 3.94:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #398E7A | 5.32:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #398E7A text on white | 3.94:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #398E7A text on black | 5.32:1 | AA | Lc -35.1 | 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 600.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2ECE9
oklch(93.5% 0.011 176.3)
-
Step 200
200
#CBDED8
oklch(88.5% 0.022 174.9)
-
Step 300
300
#A7C9BF
oklch(80.8% 0.039 175.5)
-
Step 400
400
#76AE9E
oklch(70.7% 0.063 174.6)
-
Step 500
500
#4F9A87
oklch(63.2% 0.081 175)
-
Step 600
600 (this color)
#398E7A
oklch(58.9% 0.088 175)
-
Step 700
700
#1E705E
oklch(49.2% 0.082 174.8)
-
Step 800
800
#1C5B4D
oklch(42.7% 0.068 175.3)
-
Step 900
900
#1E4B40
oklch(37.8% 0.053 174.9)
-
Step 950
950
#132C25
oklch(27% 0.034 173.4)
#398E7A 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) | #898679 | 0.091 |
| Deuteranopia (no green cones) | #7D7C7B | 0.088 |
| Tritanopia (no blue cones) | #009088 | 0.026 |
| Achromatopsia (no color) | #808080 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398E7A
#398E7A
oklch(58.9% 0.088 175)
- #A66680
#A66680
oklch(58.8% 0.089 354.2)
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 #398E7A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.025
- Dark Cyan #008B8B ΔE 0.036
- Viridian #1E9167 ΔE 0.037
- Ocean Green #3D9973 ΔE 0.039
- Blue Green #0F9B8E ΔE 0.040
- Teal Green #0A9396 ΔE 0.041
- Sea #3C9992 ΔE 0.042
- Slate Green #658D6D ΔE 0.042
Use #398E7A 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.