#397563
Closest named color: Dark Aquamarine (#017371). oklch(51.7% 0.07 171.6), rgb(57, 117, 99).
Aa
White text reads best on this color (5.38:1).
About this color
#397563 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 52%, its chroma 0.070 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Aquamarine (#017371), ΔE 0.036 away. White text reads best on it, at 5.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Dark Aquamarine (#017371) |
| Black text | 3.89:1 |
| White text | 5.38:1 |
Values
| HEX | #397563 |
| RGB | rgb(57, 117, 99) |
| HSL | hsl(162, 34%, 34%) |
| OKLCH | oklch(51.7% 0.07 171.6) |
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 #397563 | 5.38:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #397563 | 3.89:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #397563 text on white | 5.38:1 | AA | Lc 76.7 | Fine for body text |
| #397563 text on black | 3.89:1 | AA large text | Lc -25.1 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CEDDD7
oklch(88.5% 0.018 170)
-
Step 300
300
#ACC8BE
oklch(80.9% 0.033 171.9)
-
Step 400
400
#7FAC9C
oklch(70.7% 0.054 170.8)
-
Step 500
500
#5C9784
oklch(63% 0.069 171.5)
-
Step 600
600
#40826E
oklch(55.7% 0.075 171.4)
-
Step 700
700 (this color)
#397563
oklch(51.7% 0.07 171.6)
-
Step 800
800
#2A594B
oklch(42.6% 0.057 171.8)
-
Step 900
900
#27493F
oklch(37.6% 0.044 172.9)
-
Step 950
950
#172B25
oklch(27% 0.028 173)
#397563 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) | #726E62 | 0.072 |
| Deuteranopia (no green cones) | #686764 | 0.069 |
| Tritanopia (no blue cones) | #217670 | 0.023 |
| Achromatopsia (no color) | #6A6A6A | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397563
#397563
oklch(51.7% 0.07 171.6)
- #87576C
#87576C
oklch(51.6% 0.07 352)
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 #397563, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Aquamarine #017371 ΔE 0.036
- Bluegreen #017A79 ΔE 0.037
- Deep Turquoise #017374 ΔE 0.038
- Deep Aqua #08787F ΔE 0.045
- Teal #008080 ΔE 0.048
- Dark Aqua #05696B ΔE 0.055
- Dark Green Blue #1F6357 ΔE 0.063
- Dark Moss Green #606C38 ΔE 0.064
Use #397563 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.