#397864
Closest named color: Bluegreen (#017A79). oklch(52.5% 0.073 170.3), rgb(57, 120, 100).
Aa
White text reads best on this color (5.19:1).
About this color
#397864 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.073 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.037 away. White text reads best on it, at 5.19:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #397864 |
| RGB | rgb(57, 120, 100) |
| HSL | hsl(161, 36%, 35%) |
| OKLCH | oklch(52.5% 0.073 170.3) |
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 #397864 | 5.19:1 | AA | Lc -80.9 | Fine for body text |
| Black text on #397864 | 4.04:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #397864 text on white | 5.19:1 | AA | Lc 75.6 | Fine for body text |
| #397864 text on black | 4.04:1 | AA large text | Lc -26.2 | 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
#CEDDD7
oklch(88.5% 0.018 170)
-
Step 300
300
#ADC8BD
oklch(80.9% 0.033 169)
-
Step 400
400
#80AC9C
oklch(70.8% 0.053 170.4)
-
Step 500
500
#5E9783
oklch(63.1% 0.068 169.8)
-
Step 600
600 (this color)
#397864
oklch(52.5% 0.073 170.3)
-
Step 700
700
#346D5B
oklch(49% 0.067 170.5)
-
Step 800
800
#2C594A
oklch(42.7% 0.056 169.7)
-
Step 900
900
#28493E
oklch(37.6% 0.044 170.5)
-
Step 950
950
#182B24
oklch(27% 0.028 168.9)
#397864 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) | #757163 | 0.075 |
| Deuteranopia (no green cones) | #6B6A65 | 0.071 |
| Tritanopia (no blue cones) | #207972 | 0.024 |
| Achromatopsia (no color) | #6D6D6D | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397864
#397864
oklch(52.5% 0.073 170.3)
- #8B5970
#8B5970
oklch(52.6% 0.073 350.8)
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 #397864, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.037
- Dark Aquamarine #017371 ΔE 0.040
- Deep Turquoise #017374 ΔE 0.043
- Teal #008080 ΔE 0.044
- Deep Aqua #08787F ΔE 0.046
- Dark Sage #598556 ΔE 0.061
- Dark Aqua #05696B ΔE 0.063
- Dark Moss Green #606C38 ΔE 0.066
Use #397864 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.