#397773
Closest named color: Bluegreen (#017A79). oklch(52.7% 0.064 189.8), rgb(57, 119, 115).
Aa
White text reads best on this color (5.17:1).
About this color
#397773 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.064 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.026 away. White text reads best on it, at 5.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.06:1 |
| White text | 5.17:1 |
Values
| HEX | #397773 |
| RGB | rgb(57, 119, 115) |
| HSL | hsl(176, 35%, 35%) |
| OKLCH | oklch(52.7% 0.064 189.8) |
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 #397773 | 5.17:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #397773 | 4.06:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #397773 text on white | 5.17:1 | AA | Lc 75.5 | Fine for body text |
| #397773 text on black | 4.06:1 | AA large text | Lc -26.3 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDB
oklch(88.6% 0.016 187.3)
-
Step 300
300
#ACC7C5
oklch(80.9% 0.029 191.1)
-
Step 400
400
#7FAAA7
oklch(70.6% 0.046 190.8)
-
Step 500
500
#5E9591
oklch(63% 0.059 189.9)
-
Step 600
600 (this color)
#397773
oklch(52.7% 0.064 189.8)
-
Step 700
700
#336C68
oklch(49.2% 0.06 189.3)
-
Step 800
800
#2B5855
oklch(42.7% 0.05 189.8)
-
Step 900
900
#284846
oklch(37.6% 0.038 190.5)
-
Step 950
950
#182A29
oklch(26.9% 0.024 191.4)
#397773 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) | #717273 | 0.068 |
| Deuteranopia (no green cones) | #676A74 | 0.064 |
| Tritanopia (no blue cones) | #137A76 | 0.022 |
| Achromatopsia (no color) | #6D6D6D | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397773
#397773
oklch(52.7% 0.064 189.8)
- #8C5B62
#8C5B62
oklch(52.7% 0.065 10.2)
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 #397773, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.026
- Deep Aqua #08787F ΔE 0.028
- Deep Turquoise #017374 ΔE 0.033
- Dark Aquamarine #017371 ΔE 0.033
- Teal #008080 ΔE 0.033
- Ocean #017B92 ΔE 0.050
- Metallic Blue #4F738E ΔE 0.055
- Dark Aqua #05696B ΔE 0.057
Use #397773 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.