#396E91
Closest named color: Muted Blue (#3B719F). oklch(51.7% 0.079 239.7), rgb(57, 110, 145).
Aa
White text reads best on this color (5.50:1).
About this color
#396E91 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.079 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Muted Blue (#3B719F), ΔE 0.023 away. White text reads best on it, at 5.50:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Muted Blue (#3B719F) |
| Black text | 3.81:1 |
| White text | 5.50:1 |
Values
| HEX | #396E91 |
| RGB | rgb(57, 110, 145) |
| HSL | hsl(204, 44%, 40%) |
| OKLCH | oklch(51.7% 0.079 239.7) |
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 #396E91 | 5.50:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #396E91 | 3.81:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #396E91 text on white | 5.50:1 | AA | Lc 77.3 | Fine for body text |
| #396E91 text on black | 3.81:1 | AA large text | Lc -24.4 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE6
oklch(88.4% 0.021 241.4)
-
Step 300
300
#ABC5D7
oklch(81% 0.038 238.2)
-
Step 400
400
#7EA6C3
oklch(70.6% 0.061 240.2)
-
Step 500
500
#5B90B4
oklch(63.1% 0.078 239.4)
-
Step 600
600
#407AA0
oklch(55.7% 0.085 239.5)
-
Step 700
700 (this color)
#396E91
oklch(51.7% 0.079 239.7)
-
Step 800
800
#2A546F
oklch(42.8% 0.065 239)
-
Step 900
900
#27455A
oklch(37.7% 0.051 240.5)
-
Step 950
950
#172935
oklch(27.1% 0.033 238.8)
#396E91 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) | #5E6E93 | 0.043 |
| Deuteranopia (no green cones) | #526590 | 0.035 |
| Tritanopia (no blue cones) | #00777A | 0.060 |
| Achromatopsia (no color) | #696969 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #396E91
#396E91
oklch(51.7% 0.079 239.7)
- #8A5D37
#8A5D37
oklch(51.8% 0.079 59.9)
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 #396E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Blue #3B719F ΔE 0.023
- Sea Blue #047495 ΔE 0.029
- Ocean Blue #03719C ΔE 0.030
- Metallic Blue #4F738E ΔE 0.030
- Dull Blue #49759C ΔE 0.032
- Denim #3B638C ΔE 0.032
- Flat Blue #3C73A8 ΔE 0.037
- Peacock Blue #016795 ΔE 0.041
Use #396E91 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.