#397A85
Closest named color: Deep Aqua (#08787F). oklch(54.2% 0.068 210), rgb(57, 122, 133).
Aa
White text reads best on this color (4.88:1).
About this color
#397A85 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.068 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.029 away. White text reads best on it, at 4.88:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #397A85 |
| RGB | rgb(57, 122, 133) |
| HSL | hsl(189, 40%, 37%) |
| OKLCH | oklch(54.2% 0.068 210) |
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 #397A85 | 4.88:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #397A85 | 4.29:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #397A85 text on white | 4.88:1 | AA | Lc 73.7 | Content text, not long reading |
| #397A85 text on black | 4.29:1 | AA large text | Lc -28.0 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CDDCDF
oklch(88.4% 0.017 211)
-
Step 300
300
#ABC6CC
oklch(80.8% 0.03 212.6)
-
Step 400
400
#7DA9B2
oklch(70.6% 0.049 211.6)
-
Step 500
500
#5A949E
oklch(63.1% 0.062 209.6)
-
Step 600
600 (this color)
#397A85
oklch(54.2% 0.068 210)
-
Step 700
700
#2F6B75
oklch(49.2% 0.064 209.9)
-
Step 800
800
#28575F
oklch(42.7% 0.053 210)
-
Step 900
900
#26484E
oklch(37.8% 0.041 210.1)
-
Step 950
950
#172A2D
oklch(27% 0.025 208.4)
#397A85 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) | #707686 | 0.064 |
| Deuteranopia (no green cones) | #656D85 | 0.060 |
| Tritanopia (no blue cones) | #007F7D | 0.034 |
| Achromatopsia (no color) | #717171 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397A85
#397A85
oklch(54.2% 0.068 210)
- #936057
#936057
oklch(54.2% 0.069 30.4)
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 #397A85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.029
- Ocean #017B92 ΔE 0.030
- Teal #008080 ΔE 0.032
- Bluegreen #017A79 ΔE 0.035
- Metallic Blue #4F738E ΔE 0.036
- Cerulean #457B9D ΔE 0.041
- Sea Blue #047495 ΔE 0.044
- Stormy Blue #507B9C ΔE 0.045
Use #397A85 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.