#398C75
Closest named color: Dusty Teal (#4C9085). oklch(58.2% 0.088 172.1), rgb(57, 140, 117).
Aa
Black text reads best on this color (5.18:1).
About this color
#398C75 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.088 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Teal (#4C9085), ΔE 0.032 away. Black text reads best on it, at 5.18:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Dusty Teal (#4C9085) |
| Black text | 5.18:1 |
| White text | 4.05:1 |
Values
| HEX | #398C75 |
| RGB | rgb(57, 140, 117) |
| HSL | hsl(163, 42%, 39%) |
| OKLCH | oklch(58.2% 0.088 172.1) |
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 #398C75 | 4.05:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #398C75 | 5.18:1 | AA | Lc 36.6 | Non-text elements, placeholder text |
| #398C75 text on white | 4.05:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #398C75 text on black | 5.18:1 | AA | Lc -34.1 | 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
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CBDED7
oklch(88.4% 0.022 171.7)
-
Step 300
300
#A8C9BE
oklch(80.8% 0.039 173.1)
-
Step 400
400
#77AE9C
oklch(70.7% 0.064 172)
-
Step 500
500
#509A84
oklch(63.2% 0.082 172)
-
Step 600
600 (this color)
#398C75
oklch(58.2% 0.088 172.1)
-
Step 700
700
#21705B
oklch(49.2% 0.083 171.5)
-
Step 800
800
#1E5B4B
oklch(42.7% 0.068 172.5)
-
Step 900
900
#204B3E
oklch(37.8% 0.053 171.1)
-
Step 950
950
#142C25
oklch(27.1% 0.033 172.8)
#398C75 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) | #888374 | 0.092 |
| Deuteranopia (no green cones) | #7C7A77 | 0.089 |
| Tritanopia (no blue cones) | #008D85 | 0.029 |
| Achromatopsia (no color) | #7E7E7E | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398C75
#398C75
oklch(58.2% 0.088 172.1)
- #A36580
#A36580
oklch(58.3% 0.087 352.5)
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 #398C75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Teal #4C9085 ΔE 0.032
- Viridian #1E9167 ΔE 0.034
- Dark Cyan #008B8B ΔE 0.039
- Ocean Green #3D9973 ΔE 0.042
- Slate Green #658D6D ΔE 0.043
- Sea Green #2E8B57 ΔE 0.045
- Dark Sage #598556 ΔE 0.045
- Blue Green #0F9B8E ΔE 0.048
Use #398C75 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.