#39456C
Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.068 270.1), rgb(57, 69, 108).
Aa
White text reads best on this color (9.36:1).
About this color
#39456C is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.068 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.038 away. White text reads best on it, at 9.36:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.24:1 |
| White text | 9.36:1 |
Values
| HEX | #39456C |
| RGB | rgb(57, 69, 108) |
| HSL | hsl(226, 31%, 32%) |
| OKLCH | oklch(39.8% 0.068 270.1) |
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 #39456C | 9.36:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #39456C | 2.24:1 | Fails | Lc 12.4 | Not readable |
| #39456C text on white | 9.36:1 | AAA | Lc 91.6 | Preferred for body text |
| #39456C 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
#B4C0E2
oklch(81% 0.05 269.9)
-
Step 400
400
#8D9ED4
oklch(70.6% 0.082 270.7)
-
Step 500
500
#7186C9
oklch(63.2% 0.104 270)
-
Step 600
600
#5A6EB6
oklch(55.5% 0.115 270.6)
-
Step 700
700
#4A5C9C
oklch(49.1% 0.105 270.3)
-
Step 800
800
#3D4B7F
oklch(42.6% 0.088 270.9)
-
Step 900
900 (this color)
#39456C
oklch(39.8% 0.068 270.1)
-
Step 950
950
#1E253C
oklch(27% 0.044 270.3)
#39456C 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) | #37496E | 0.012 |
| Deuteranopia (no green cones) | #32446B | 0.011 |
| Tritanopia (no blue cones) | #274D53 | 0.061 |
| Achromatopsia (no color) | #464646 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39456C
#39456C
oklch(39.8% 0.068 270.1)
- #554516
#554516
oklch(39.7% 0.067 89.9)
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 #39456C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.038
- Twilight Blue #0A437A ΔE 0.051
- Charcoal #264653 ΔE 0.053
- Light Navy #155084 ΔE 0.053
- Deep Sea Blue #015482 ΔE 0.060
- Dusk Blue #26538D ΔE 0.062
- Cobalt #1E488F ΔE 0.063
- Dusk #4E5481 ΔE 0.063
Use #39456C 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.