#397590
Closest named color: Metallic Blue (#4F738E). oklch(53.4% 0.075 229.8), rgb(57, 117, 144).
Aa
White text reads best on this color (5.09:1).
About this color
#397590 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.075 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.022 away. White text reads best on it, at 5.09:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.12:1 |
| White text | 5.09:1 |
Values
| HEX | #397590 |
| RGB | rgb(57, 117, 144) |
| HSL | hsl(199, 43%, 39%) |
| OKLCH | oklch(53.4% 0.075 229.8) |
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 #397590 | 5.09:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #397590 | 4.12:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #397590 text on white | 5.09:1 | AA | Lc 75.0 | Content text, not long reading |
| #397590 text on black | 4.12:1 | AA large text | Lc -26.7 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CDDCE3
oklch(88.5% 0.019 227.3)
-
Step 300
300
#ABC5D2
oklch(80.8% 0.034 229.4)
-
Step 400
400
#7EA8BC
oklch(70.8% 0.054 228.8)
-
Step 500
500
#5C92AB
oklch(63.2% 0.068 229.1)
-
Step 600
600 (this color)
#397590
oklch(53.4% 0.075 229.8)
-
Step 700
700
#316881
oklch(49.1% 0.07 230.1)
-
Step 800
800
#2A5569
oklch(42.8% 0.058 230.3)
-
Step 900
900
#274655
oklch(37.7% 0.045 230.6)
-
Step 950
950
#172932
oklch(27% 0.029 231)
#397590 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) | #677391 | 0.053 |
| Deuteranopia (no green cones) | #5B6A90 | 0.047 |
| Tritanopia (no blue cones) | #007D7E | 0.051 |
| Achromatopsia (no color) | #6E6E6E | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #397590
#397590
oklch(53.4% 0.075 229.8)
- #906045
#906045
oklch(53.4% 0.074 49.9)
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 #397590, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.022
- Dull Blue #49759C ΔE 0.026
- Sea Blue #047495 ΔE 0.028
- Ocean #017B92 ΔE 0.028
- Cerulean #457B9D ΔE 0.028
- Muted Blue #3B719F ΔE 0.030
- Stormy Blue #507B9C ΔE 0.036
- Ocean Blue #03719C ΔE 0.037
Use #397590 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.