#398980
Closest named color: Dark Cyan (#008B8B). oklch(57.8% 0.079 185.2), rgb(57, 137, 128).
Aa
Black text reads best on this color (5.06:1).
About this color
#398980 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.079 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.024 away. Black text reads best on it, at 5.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 5.06:1 |
| White text | 4.14:1 |
Values
| HEX | #398980 |
| RGB | rgb(57, 137, 128) |
| HSL | hsl(173, 41%, 38%) |
| OKLCH | oklch(57.8% 0.079 185.2) |
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 #398980 | 4.14:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #398980 | 5.06:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #398980 text on white | 4.14:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #398980 text on black | 5.06:1 | AA | Lc -33.3 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A8C9C4
oklch(81% 0.036 185.3)
-
Step 400
400
#78ADA5
oklch(70.8% 0.057 184.3)
-
Step 500
500
#51988F
oklch(63.1% 0.073 184.9)
-
Step 600
600 (this color)
#398980
oklch(57.8% 0.079 185.2)
-
Step 700
700
#236E66
oklch(49% 0.073 185.1)
-
Step 800
800
#1F5A53
oklch(42.7% 0.062 184.4)
-
Step 900
900
#204A45
oklch(37.7% 0.048 185.1)
-
Step 950
950
#142B28
oklch(26.9% 0.03 184.8)
#398980 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) | #838280 | 0.085 |
| Deuteranopia (no green cones) | #767981 | 0.079 |
| Tritanopia (no blue cones) | #008C86 | 0.022 |
| Achromatopsia (no color) | #7C7C7C | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #398980
#398980
oklch(57.8% 0.079 185.2)
- #A26673
#A26673
oklch(57.9% 0.079 5.7)
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 #398980, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.024
- Dusty Teal #4C9085 ΔE 0.029
- Teal Green #0A9396 ΔE 0.038
- Teal #008080 ΔE 0.040
- Sea #3C9992 ΔE 0.049
- Blue Green #0F9B8E ΔE 0.051
- Teal Blue #01889F ΔE 0.052
- Slate Green #658D6D ΔE 0.053
Use #398980 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.