#39446F
Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.074 271.8), rgb(57, 68, 111).
Aa
White text reads best on this color (9.41:1).
About this color
#39446F is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.074 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.043 away. White text reads best on it, at 9.41:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.23:1 |
| White text | 9.41:1 |
Values
| HEX | #39446F |
| RGB | rgb(57, 68, 111) |
| HSL | hsl(228, 32%, 33%) |
| OKLCH | oklch(39.8% 0.074 271.8) |
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 #39446F | 9.41:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #39446F | 2.23:1 | Fails | Lc 12.3 | Not readable |
| #39446F text on white | 9.41:1 | AAA | Lc 91.7 | Preferred for body text |
| #39446F text on black | 2.23:1 | Fails | Lc -10.7 | 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 900.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EE
oklch(88.4% 0.031 273.6)
-
Step 300
300
#B4BFE5
oklch(80.9% 0.055 272.4)
-
Step 400
400
#8D9DD9
oklch(70.6% 0.09 272.4)
-
Step 500
500
#7184CE
oklch(63% 0.114 271.9)
-
Step 600
600
#5A6DBB
oklch(55.6% 0.123 271.6)
-
Step 700
700
#4A5BA1
oklch(49.2% 0.114 271.4)
-
Step 800
800
#3D4A83
oklch(42.7% 0.096 272.1)
-
Step 900
900 (this color)
#39446F
oklch(39.8% 0.074 271.8)
-
Step 950
950
#1E253D
oklch(27% 0.046 270.7)
#39446F 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) | #344971 | 0.015 |
| Deuteranopia (no green cones) | #2F446E | 0.014 |
| Tritanopia (no blue cones) | #254D54 | 0.066 |
| Achromatopsia (no color) | #464646 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39446F
#39446F
oklch(39.8% 0.074 271.8)
- #56450D
#56450D
oklch(39.8% 0.074 90.9)
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 #39446F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.043
- Twilight Blue #0A437A ΔE 0.048
- Light Navy #155084 ΔE 0.052
- Charcoal #264653 ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.058
- Cobalt #1E488F ΔE 0.058
- Deep Sea Blue #015482 ΔE 0.060
- Dusk Blue #26538D ΔE 0.060
Use #39446F 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.