#396D8D
Closest named color: Muted Blue (#3B719F). oklch(51.3% 0.075 237.7), rgb(57, 109, 141).
Aa
White text reads best on this color (5.60:1).
About this color
#396D8D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.075 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.029 away. White text reads best on it, at 5.60:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #396D8D |
| RGB | rgb(57, 109, 141) |
| HSL | hsl(203, 42%, 39%) |
| OKLCH | oklch(51.3% 0.075 237.7) |
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 #396D8D | 5.60:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #396D8D | 3.74:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #396D8D text on white | 5.60:1 | AA | Lc 77.9 | Fine for body text |
| #396D8D text on black | 3.74:1 | AA large text | Lc -23.9 | 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
#CDDBE5
oklch(88.4% 0.02 238.7)
-
Step 300
300
#ABC5D6
oklch(80.9% 0.037 236.6)
-
Step 400
400
#7EA6C1
oklch(70.6% 0.059 238.2)
-
Step 500
500
#5D90B1
oklch(63% 0.074 237.9)
-
Step 600
600
#417A9D
oklch(55.6% 0.081 237.6)
-
Step 700
700 (this color)
#396D8D
oklch(51.3% 0.075 237.7)
-
Step 800
800
#2B546D
oklch(42.7% 0.062 237.4)
-
Step 900
900
#274558
oklch(37.6% 0.049 237.8)
-
Step 950
950
#182934
oklch(27.1% 0.031 237.8)
#396D8D 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) | #5E6C8F | 0.044 |
| Deuteranopia (no green cones) | #53648C | 0.037 |
| Tritanopia (no blue cones) | #007578 | 0.056 |
| Achromatopsia (no color) | #686868 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #396D8D
#396D8D
oklch(51.3% 0.075 237.7)
- #875C3A
#875C3A
oklch(51.3% 0.075 58.4)
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 #396D8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.029
- Denim #3B638C ΔE 0.030
- Sea Blue #047495 ΔE 0.030
- Metallic Blue #4F738E ΔE 0.032
- Ocean Blue #03719C ΔE 0.033
- Dull Blue #49759C ΔE 0.037
- Peacock Blue #016795 ΔE 0.041
- Flat Blue #3C73A8 ΔE 0.044
Use #396D8D 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.