#39456D
Closest named color: Dark Grey Blue (#29465B). oklch(39.9% 0.07 270.3), rgb(57, 69, 109).
Aa
White text reads best on this color (9.34:1).
About this color
#39456D is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.070 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.040 away. White text reads best on it, at 9.34:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.34:1 |
Values
| HEX | #39456D |
| RGB | rgb(57, 69, 109) |
| HSL | hsl(226, 31%, 33%) |
| OKLCH | oklch(39.9% 0.07 270.3) |
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 #39456D | 9.34:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #39456D | 2.24:1 | Fails | Lc 12.4 | Not readable |
| #39456D text on white | 9.34:1 | AAA | Lc 91.5 | Preferred for body text |
| #39456D text on black | 2.24:1 | Fails | Lc -10.8 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
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
#B3C0E3
oklch(80.9% 0.052 269.2)
-
Step 400
400
#8C9ED5
oklch(70.6% 0.083 270.2)
-
Step 500
500
#7186CA
oklch(63.2% 0.106 270.1)
-
Step 600
600
#5A6EB7
oklch(55.6% 0.116 270.7)
-
Step 700
700
#4A5C9E
oklch(49.2% 0.108 270.5)
-
Step 800
800
#3C4B80
oklch(42.6% 0.09 270.3)
-
Step 900
900 (this color)
#39456D
oklch(39.9% 0.07 270.3)
-
Step 950
950
#1E253C
oklch(27% 0.044 270.3)
#39456D 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) | #36496F | 0.012 |
| Deuteranopia (no green cones) | #32456C | 0.010 |
| Tritanopia (no blue cones) | #264D54 | 0.061 |
| Achromatopsia (no color) | #474747 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39456D
#39456D
oklch(39.9% 0.07 270.3)
- #564514
#564514
oklch(39.8% 0.069 89.3)
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 #39456D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.040
- Twilight Blue #0A437A ΔE 0.050
- Light Navy #155084 ΔE 0.052
- Charcoal #264653 ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.059
- Dusk Blue #26538D ΔE 0.061
- Cobalt #1E488F ΔE 0.061
- Dusk #4E5481 ΔE 0.062
Use #39456D 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.