#39456B
Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.066 269.9), rgb(57, 69, 107).
Aa
White text reads best on this color (9.38:1).
About this color
#39456B is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.066 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.037 away. White text reads best on it, at 9.38:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.23:1 |
| White text | 9.38:1 |
Values
| HEX | #39456B |
| RGB | rgb(57, 69, 107) |
| HSL | hsl(226, 30%, 32%) |
| OKLCH | oklch(39.8% 0.066 269.9) |
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 #39456B | 9.38:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #39456B | 2.23:1 | Fails | Lc 12.3 | Not readable |
| #39456B text on white | 9.38:1 | AAA | Lc 91.6 | Preferred for body text |
| #39456B 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D2D9EC
oklch(88.6% 0.027 269.6)
-
Step 300
300
#B4C0E2
oklch(81% 0.05 269.9)
-
Step 400
400
#8D9FD3
oklch(70.8% 0.079 269.6)
-
Step 500
500
#7186C7
oklch(63.1% 0.101 269.7)
-
Step 600
600
#5A6FB4
oklch(55.6% 0.11 269.8)
-
Step 700
700
#4A5C9B
oklch(49% 0.103 270.2)
-
Step 800
800
#3D4C7E
oklch(42.8% 0.085 269.9)
-
Step 900
900 (this color)
#39456B
oklch(39.8% 0.066 269.9)
-
Step 950
950
#1E253B
oklch(26.9% 0.042 269.9)
#39456B 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) | #37496D | 0.012 |
| Deuteranopia (no green cones) | #33446A | 0.009 |
| Tritanopia (no blue cones) | #274D53 | 0.059 |
| Achromatopsia (no color) | #464646 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39456B
#39456B
oklch(39.8% 0.066 269.9)
- #554517
#554517
oklch(39.7% 0.066 89.7)
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 #39456B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.037
- Charcoal #264653 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.052
- Light Navy #155084 ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.061
- Dusk Blue #26538D ΔE 0.064
- Dusk #4E5481 ΔE 0.064
- Cobalt #1E488F ΔE 0.064
Use #39456B 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.