#39419B
Closest named color: Blueberry (#464196). oklch(42.3% 0.145 274.5), rgb(57, 65, 155).
Aa
White text reads best on this color (8.73:1).
About this color
#39419B is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.145 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.021 away. White text reads best on it, at 8.73:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.40:1 |
| White text | 8.73:1 |
Values
| HEX | #39419B |
| RGB | rgb(57, 65, 155) |
| HSL | hsl(235, 46%, 42%) |
| OKLCH | oklch(42.3% 0.145 274.5) |
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 #39419B | 8.73:1 | AAA | Lc -94.1 | Preferred for body text |
| Black text on #39419B | 2.40:1 | Fails | Lc 14.4 | Not readable |
| #39419B text on white | 8.73:1 | AAA | Lc 89.6 | Fine for body text |
| #39419B text on black | 2.40:1 | Fails | Lc -12.7 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#CFD7F9
oklch(88.4% 0.048 274.9)
-
Step 300
300
#B0BDF8
oklch(80.9% 0.085 274.7)
-
Step 400
400
#8899F4
oklch(70.8% 0.134 274.4)
-
Step 500
500
#6C7CF0
oklch(63.1% 0.173 274.4)
-
Step 600
600
#5662DF
oklch(55.6% 0.188 274.4)
-
Step 700
700
#4750C1
oklch(49.1% 0.174 274.5)
-
Step 800
800 (this color)
#39419B
oklch(42.3% 0.145 274.5)
-
Step 900
900
#31397C
oklch(37.6% 0.113 274.5)
-
Step 950
950
#1D2249
oklch(27% 0.072 275)
#39419B 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) | #004F9E | 0.050 |
| Deuteranopia (no green cones) | #004799 | 0.045 |
| Tritanopia (no blue cones) | #005767 | 0.124 |
| Achromatopsia (no color) | #4B4B4B | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39419B
#39419B
oklch(42.3% 0.145 274.5)
- #5D4C00
#5D4C00
oklch(42.2% 0.086 94.1)
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 #39419B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.021
- Dark Slate Blue #483D8B ΔE 0.035
- Cobalt #1E488F ΔE 0.039
- Sapphire #2138AB ΔE 0.046
- Dusk Blue #26538D ΔE 0.058
- Twilight #4E518B ΔE 0.064
- Light Navy #155084 ΔE 0.066
- Twilight Blue #0A437A ΔE 0.073
Use #39419B 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.