#396B9D
Closest named color: Muted Blue (#3B719F). oklch(51.6% 0.096 250.2), rgb(57, 107, 157).
Aa
White text reads best on this color (5.57:1).
About this color
#396B9D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.096 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.018 away. White text reads best on it, at 5.57:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.76:1 |
| White text | 5.57:1 |
Values
| HEX | #396B9D |
| RGB | rgb(57, 107, 157) |
| HSL | hsl(210, 47%, 42%) |
| OKLCH | oklch(51.6% 0.096 250.2) |
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 #396B9D | 5.57:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #396B9D | 3.76:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #396B9D text on white | 5.57:1 | AA | Lc 77.7 | Fine for body text |
| #396B9D text on black | 3.76:1 | AA large text | Lc -24.1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CDDBEA
oklch(88.5% 0.026 250)
-
Step 300
300
#ABC4DE
oklch(81% 0.046 249.4)
-
Step 400
400
#7DA5CE
oklch(70.8% 0.074 249.5)
-
Step 500
500
#5B8DC1
oklch(63% 0.096 250.5)
-
Step 600
600
#4077AE
oklch(55.7% 0.104 250.2)
-
Step 700
700 (this color)
#396B9D
oklch(51.6% 0.096 250.2)
-
Step 800
800
#2A5179
oklch(42.6% 0.08 250.8)
-
Step 900
900
#274461
oklch(37.8% 0.061 249.7)
-
Step 950
950
#172839
oklch(27.1% 0.039 249.5)
#396B9D 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) | #556D9F | 0.033 |
| Deuteranopia (no green cones) | #48649C | 0.023 |
| Tritanopia (no blue cones) | #00777D | 0.077 |
| Achromatopsia (no color) | #686868 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #396B9D
#396B9D
oklch(51.6% 0.096 250.2)
- #8B5D1F
#8B5D1F
oklch(51.7% 0.097 70.1)
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 #396B9D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.018
- Flat Blue #3C73A8 ΔE 0.027
- French Blue #436BAD ΔE 0.029
- Ocean Blue #03719C ΔE 0.031
- Denim #3B638C ΔE 0.032
- Dusky Blue #475F94 ΔE 0.035
- Dull Blue #49759C ΔE 0.036
- Peacock Blue #016795 ΔE 0.038
Use #396B9D 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.