#397377
Closest named color: Deep Aqua (#08787F). oklch(51.8% 0.061 201.4), rgb(57, 115, 119).
Aa
White text reads best on this color (5.39:1).
About this color
#397377 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.061 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.027 away. White text reads best on it, at 5.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.89:1 |
| White text | 5.39:1 |
Values
| HEX | #397377 |
| RGB | rgb(57, 115, 119) |
| HSL | hsl(184, 35%, 35%) |
| OKLCH | oklch(51.8% 0.061 201.4) |
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 #397377 | 5.39:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #397377 | 3.89:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #397377 text on white | 5.39:1 | AA | Lc 76.7 | Fine for body text |
| #397377 text on black | 3.89:1 | AA large text | Lc -25.0 | 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 700.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CDDDDD
oklch(88.6% 0.017 196.8)
-
Step 300
300
#ABC7C8
oklch(80.9% 0.03 199.2)
-
Step 400
400
#7EAAAD
oklch(70.7% 0.047 201.4)
-
Step 500
500
#5C9599
oklch(63.2% 0.06 201.5)
-
Step 600
600
#3F7F83
oklch(55.6% 0.066 200.8)
-
Step 700
700 (this color)
#397377
oklch(51.8% 0.061 201.4)
-
Step 800
800
#29575A
oklch(42.6% 0.051 201.1)
-
Step 900
900
#27484A
oklch(37.7% 0.039 200.7)
-
Step 950
950
#172A2B
oklch(26.9% 0.025 200)
#397377 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) | #6C6F77 | 0.062 |
| Deuteranopia (no green cones) | #616777 | 0.057 |
| Tritanopia (no blue cones) | #107774 | 0.027 |
| Achromatopsia (no color) | #6A6A6A | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397377
#397377
oklch(51.8% 0.061 201.4)
- #885A59
#885A59
oklch(51.7% 0.061 20.8)
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 #397377, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.027
- Deep Turquoise #017374 ΔE 0.030
- Bluegreen #017A79 ΔE 0.031
- Dark Aquamarine #017371 ΔE 0.032
- Teal #008080 ΔE 0.041
- Ocean #017B92 ΔE 0.045
- Slate #516572 ΔE 0.046
- Metallic Blue #4F738E ΔE 0.046
Use #397377 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.