#397E7F
Closest named color: Teal (#008080). oklch(54.9% 0.069 196.6), rgb(57, 126, 127).
Aa
White text reads best on this color (4.70:1).
About this color
#397E7F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.069 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Teal (#008080), ΔE 0.024 away. White text reads best on it, at 4.70:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Teal (#008080) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #397E7F |
| RGB | rgb(57, 126, 127) |
| HSL | hsl(181, 38%, 36%) |
| OKLCH | oklch(54.9% 0.069 196.6) |
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 #397E7F | 4.70:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #397E7F | 4.46:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #397E7F text on white | 4.70:1 | AA | Lc 72.5 | Content text, not long reading |
| #397E7F text on black | 4.46:1 | AA large text | Lc -29.2 | Dividers and decoration only |
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
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CDDDDD
oklch(88.6% 0.017 196.8)
-
Step 300
300
#AAC7C7
oklch(80.8% 0.031 196.6)
-
Step 400
400
#7CABAB
oklch(70.8% 0.05 196.1)
-
Step 500
500
#589696
oklch(63.1% 0.064 195.6)
-
Step 600
600 (this color)
#397E7F
oklch(54.9% 0.069 196.6)
-
Step 700
700
#2D6C6D
oklch(49.1% 0.064 196.7)
-
Step 800
800
#265859
oklch(42.7% 0.054 197.1)
-
Step 900
900
#254949
oklch(37.9% 0.042 195.5)
-
Step 950
950
#162A2B
oklch(26.9% 0.026 199.8)
#397E7F 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) | #76797F | 0.071 |
| Deuteranopia (no green cones) | #6B7080 | 0.068 |
| Tritanopia (no blue cones) | #00827E | 0.026 |
| Achromatopsia (no color) | #747474 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397E7F
#397E7F
oklch(54.9% 0.069 196.6)
- #966163
#966163
oklch(55% 0.069 17.1)
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 #397E7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Teal #008080 ΔE 0.024
- Bluegreen #017A79 ΔE 0.032
- Deep Aqua #08787F ΔE 0.034
- Dark Cyan #008B8B ΔE 0.040
- Ocean #017B92 ΔE 0.041
- Deep Turquoise #017374 ΔE 0.049
- Dark Aquamarine #017371 ΔE 0.050
- Teal Blue #01889F ΔE 0.051
Use #397E7F 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.