#396D8B
Closest named color: Denim (#3B638C). oklch(51.2% 0.073 235.9), rgb(57, 109, 139).
Aa
White text reads best on this color (5.62:1).
About this color
#396D8B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.073 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.031 away. White text reads best on it, at 5.62:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #396D8B |
| RGB | rgb(57, 109, 139) |
| HSL | hsl(202, 42%, 38%) |
| OKLCH | oklch(51.2% 0.073 235.9) |
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 #396D8B | 5.62:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #396D8B | 3.73:1 | AA large text | Lc 26.1 | Dividers and decoration only |
| #396D8B text on white | 5.62:1 | AA | Lc 78.0 | Fine for body text |
| #396D8B text on black | 3.73:1 | AA large text | Lc -23.8 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
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
#ACC5D5
oklch(81% 0.035 236)
-
Step 400
400
#7FA7C0
oklch(70.8% 0.057 236.1)
-
Step 500
500
#5D91B0
oklch(63.2% 0.073 235.7)
-
Step 600
600
#417A9B
oklch(55.5% 0.079 236)
-
Step 700
700 (this color)
#396D8B
oklch(51.2% 0.073 235.9)
-
Step 800
800
#2B546C
oklch(42.7% 0.061 236.3)
-
Step 900
900
#274657
oklch(37.8% 0.047 233.9)
-
Step 950
950
#182933
oklch(27.1% 0.029 235.2)
#396D8B 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) | #5F6C8C | 0.045 |
| Deuteranopia (no green cones) | #54648B | 0.038 |
| Tritanopia (no blue cones) | #007577 | 0.055 |
| Achromatopsia (no color) | #676767 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #396D8B
#396D8B
oklch(51.2% 0.073 235.9)
- #875B3C
#875B3C
oklch(51.1% 0.073 55.5)
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 #396D8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.031
- Sea Blue #047495 ΔE 0.031
- Metallic Blue #4F738E ΔE 0.032
- Muted Blue #3B719F ΔE 0.032
- Ocean Blue #03719C ΔE 0.035
- Dull Blue #49759C ΔE 0.038
- Peacock Blue #016795 ΔE 0.042
- Ocean #017B92 ΔE 0.044
Use #396D8B 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.