#396F8D
Closest named color: Metallic Blue (#4F738E). oklch(51.8% 0.074 235), rgb(57, 111, 141).
Aa
White text reads best on this color (5.47:1).
About this color
#396F8D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.074 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.028 away. White text reads best on it, at 5.47:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #396F8D |
| RGB | rgb(57, 111, 141) |
| HSL | hsl(201, 42%, 39%) |
| OKLCH | oklch(51.8% 0.074 235) |
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 #396F8D | 5.47:1 | AA | Lc -82.5 | Fine for body text |
| Black text on #396F8D | 3.83:1 | AA large text | Lc 26.9 | Dividers and decoration only |
| #396F8D text on white | 5.47:1 | AA | Lc 77.2 | Fine for body text |
| #396F8D text on black | 3.83:1 | AA large text | Lc -24.6 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#ABC5D5
oklch(80.9% 0.036 234.9)
-
Step 400
400
#7EA7C0
oklch(70.7% 0.058 235.4)
-
Step 500
500
#5B91B0
oklch(63.1% 0.074 234.8)
-
Step 600
600
#407B9C
oklch(55.7% 0.08 235.2)
-
Step 700
700 (this color)
#396F8D
oklch(51.8% 0.074 235)
-
Step 800
800
#2A546C
oklch(42.6% 0.062 235.8)
-
Step 900
900
#264658
oklch(37.8% 0.049 234.7)
-
Step 950
950
#172933
oklch(27% 0.03 233.8)
#396F8D 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) | #616E8E | 0.047 |
| Deuteranopia (no green cones) | #55658D | 0.041 |
| Tritanopia (no blue cones) | #007779 | 0.055 |
| Achromatopsia (no color) | #696969 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #396F8D
#396F8D
oklch(51.8% 0.074 235)
- #895C3D
#895C3D
oklch(51.6% 0.074 54.9)
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 #396F8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.028
- Sea Blue #047495 ΔE 0.028
- Muted Blue #3B719F ΔE 0.029
- Ocean Blue #03719C ΔE 0.033
- Dull Blue #49759C ΔE 0.033
- Denim #3B638C ΔE 0.036
- Ocean #017B92 ΔE 0.040
- Cerulean #457B9D ΔE 0.043
Use #396F8D 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.