#39495F
Closest named color: Dark Grey Blue (#29465B). oklch(40.1% 0.043 256.5), rgb(57, 73, 95).
Aa
White text reads best on this color (9.16:1).
About this color
#39495F is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.043 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.025 away. White text reads best on it, at 9.16:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.29:1 |
| White text | 9.16:1 |
Values
| HEX | #39495F |
| RGB | rgb(57, 73, 95) |
| HSL | hsl(215, 25%, 30%) |
| OKLCH | oklch(40.1% 0.043 256.5) |
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 #39495F | 9.16:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #39495F | 2.29:1 | Fails | Lc 12.9 | Not readable |
| #39495F text on white | 9.16:1 | AAA | Lc 91.1 | Preferred for body text |
| #39495F text on black | 2.29:1 | Fails | Lc -11.3 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE5
oklch(88.6% 0.017 256.3)
-
Step 300
300
#B4C2D6
oklch(81% 0.032 257.2)
-
Step 400
400
#8CA2C1
oklch(70.6% 0.052 257)
-
Step 500
500
#708BB1
oklch(63% 0.065 257)
-
Step 600
600
#58759D
oklch(55.6% 0.071 256.6)
-
Step 700
700
#486286
oklch(49.1% 0.066 256.6)
-
Step 800
800
#3B506D
oklch(42.7% 0.055 256.6)
-
Step 900
900 (this color)
#39495F
oklch(40.1% 0.043 256.5)
-
Step 950
950
#1E2734
oklch(27% 0.028 257.5)
#39495F 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) | #414A60 | 0.013 |
| Deuteranopia (no green cones) | #3D465F | 0.010 |
| Tritanopia (no blue cones) | #2D4E50 | 0.038 |
| Achromatopsia (no color) | #484848 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39495F
#39495F
oklch(40.1% 0.043 256.5)
- #55452D
#55452D
oklch(40.1% 0.043 77.2)
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 #39495F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.025
- Charcoal #264653 ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.049
- Deep Teal #00555A ΔE 0.057
- Dark Teal #014D4E ΔE 0.060
- YInMn Blue #415A77 ΔE 0.061
- Onyx #343A40 ΔE 0.063
Use #39495F 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.