#397769
Closest named color: Bluegreen (#017A79). oklch(52.4% 0.068 176.8), rgb(57, 119, 105).
Aa
White text reads best on this color (5.22:1).
About this color
#397769 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.068 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.031 away. White text reads best on it, at 5.22:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.01:1 |
| White text | 5.22:1 |
Values
| HEX | #397769 |
| RGB | rgb(57, 119, 105) |
| HSL | hsl(166, 35%, 35%) |
| OKLCH | oklch(52.4% 0.068 176.8) |
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 #397769 | 5.22:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #397769 | 4.01:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #397769 text on white | 5.22:1 | AA | Lc 75.8 | Fine for body text |
| #397769 text on black | 4.01:1 | AA large text | Lc -25.9 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CEDDD9
oklch(88.5% 0.017 178.2)
-
Step 300
300
#ADC7C0
oklch(80.8% 0.03 177.5)
-
Step 400
400
#80ABA0
oklch(70.7% 0.049 177.3)
-
Step 500
500
#5E9688
oklch(63% 0.063 176.5)
-
Step 600
600 (this color)
#397769
oklch(52.4% 0.068 176.8)
-
Step 700
700
#346D60
oklch(49.2% 0.064 176.7)
-
Step 800
800
#2C594E
oklch(42.8% 0.053 175.8)
-
Step 900
900
#284941
oklch(37.7% 0.041 176.6)
-
Step 950
950
#182B26
oklch(27.1% 0.027 175.7)
#397769 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) | #737168 | 0.072 |
| Deuteranopia (no green cones) | #69696A | 0.069 |
| Tritanopia (no blue cones) | #1D7873 | 0.021 |
| Achromatopsia (no color) | #6C6C6C | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397769
#397769
oklch(52.4% 0.068 176.8)
- #8A596B
#8A596B
oklch(52.3% 0.069 356.1)
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 #397769, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.031
- Dark Aquamarine #017371 ΔE 0.035
- Deep Turquoise #017374 ΔE 0.037
- Deep Aqua #08787F ΔE 0.039
- Teal #008080 ΔE 0.040
- Dark Aqua #05696B ΔE 0.058
- Ocean #017B92 ΔE 0.063
- Slate #516572 ΔE 0.066
Use #397769 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.