#397A68
Closest named color: Bluegreen (#017A79). oklch(53.1% 0.073 172.9), rgb(57, 122, 104).
Aa
White text reads best on this color (5.05:1).
About this color
#397A68 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.073 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.034 away. White text reads best on it, at 5.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #397A68 |
| RGB | rgb(57, 122, 104) |
| HSL | hsl(163, 36%, 35%) |
| OKLCH | oklch(53.1% 0.073 172.9) |
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 #397A68 | 5.05:1 | AA | Lc -80.1 | Fine for body text |
| Black text on #397A68 | 4.15:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #397A68 text on white | 5.05:1 | AA | Lc 74.7 | Content text, not long reading |
| #397A68 text on black | 4.15:1 | AA large text | Lc -27.0 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD8
oklch(88.5% 0.017 174)
-
Step 300
300
#ACC8BE
oklch(80.9% 0.033 171.9)
-
Step 400
400
#7FAC9D
oklch(70.8% 0.053 172.2)
-
Step 500
500
#5D9785
oklch(63.1% 0.067 172.3)
-
Step 600
600 (this color)
#397A68
oklch(53.1% 0.073 172.9)
-
Step 700
700
#326D5D
oklch(49% 0.067 173.3)
-
Step 800
800
#2A594C
oklch(42.7% 0.056 173.3)
-
Step 900
900
#27493F
oklch(37.6% 0.044 172.9)
-
Step 950
950
#182B25
oklch(27% 0.027 172.2)
#397A68 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) | #767367 | 0.075 |
| Deuteranopia (no green cones) | #6C6C69 | 0.071 |
| Tritanopia (no blue cones) | #1C7B75 | 0.024 |
| Achromatopsia (no color) | #6F6F6F | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397A68
#397A68
oklch(53.1% 0.073 172.9)
- #8D5A70
#8D5A70
oklch(53.1% 0.073 352.4)
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 #397A68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.034
- Teal #008080 ΔE 0.039
- Dark Aquamarine #017371 ΔE 0.042
- Deep Aqua #08787F ΔE 0.044
- Deep Turquoise #017374 ΔE 0.044
- Dark Sage #598556 ΔE 0.059
- Dark Cyan #008B8B ΔE 0.061
- Sea Green #2E8B57 ΔE 0.066
Use #397A68 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.