#39477B
Closest named color: Light Navy (#155084). oklch(41.2% 0.089 270.7), rgb(57, 71, 123).
Aa
White text reads best on this color (8.89:1).
About this color
#39477B is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.089 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy (#155084), ΔE 0.040 away. White text reads best on it, at 8.89:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Light Navy (#155084) |
| Black text | 2.36:1 |
| White text | 8.89:1 |
Values
| HEX | #39477B |
| RGB | rgb(57, 71, 123) |
| HSL | hsl(227, 37%, 35%) |
| OKLCH | oklch(41.2% 0.089 270.7) |
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 #39477B | 8.89:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #39477B | 2.36:1 | Fails | Lc 13.7 | Not readable |
| #39477B text on white | 8.89:1 | AAA | Lc 90.3 | Preferred for body text |
| #39477B text on black | 2.36:1 | Fails | Lc -12.0 | Not readable |
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 800.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D2D9ED
oklch(88.6% 0.029 270.4)
-
Step 300
300
#B4C0E3
oklch(81% 0.051 270.3)
-
Step 400
400
#8D9ED5
oklch(70.7% 0.083 270.9)
-
Step 500
500
#7185CA
oklch(63% 0.107 270.8)
-
Step 600
600
#5A6EB7
oklch(55.6% 0.116 270.7)
-
Step 700
700
#4A5C9D
oklch(49.1% 0.106 270.4)
-
Step 800
800 (this color)
#39477B
oklch(41.2% 0.089 270.7)
-
Step 900
900
#343F66
oklch(37.7% 0.069 270.9)
-
Step 950
950
#1E253C
oklch(27% 0.044 270.3)
#39477B 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) | #324D7D | 0.018 |
| Deuteranopia (no green cones) | #2B477A | 0.018 |
| Tritanopia (no blue cones) | #1B525B | 0.079 |
| Achromatopsia (no color) | #4A4A4A | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39477B
#39477B
oklch(41.2% 0.089 270.7)
- #5C4800
#5C4800
oklch(41.1% 0.084 90.5)
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 #39477B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy #155084 ΔE 0.040
- Cobalt #1E488F ΔE 0.043
- Dusk Blue #26538D ΔE 0.043
- Dark Slate Blue #483D8B ΔE 0.046
- Twilight Blue #0A437A ΔE 0.048
- Twilight #4E518B ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.051
- Dusk #4E5481 ΔE 0.052
Use #39477B 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.