#394255
Closest named color: Dark Grey Blue (#29465B). oklch(37.9% 0.035 265), rgb(57, 66, 85).
Aa
White text reads best on this color (10.07:1).
About this color
#394255 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.035 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.023 away. White text reads best on it, at 10.07:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.08:1 |
| White text | 10.07:1 |
Values
| HEX | #394255 |
| RGB | rgb(57, 66, 85) |
| HSL | hsl(221, 20%, 28%) |
| OKLCH | oklch(37.9% 0.035 265) |
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 #394255 | 10.07:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #394255 | 2.08:1 | Fails | Lc 10.5 | Not readable |
| #394255 text on white | 10.07:1 | AAA | Lc 93.4 | Preferred for body text |
| #394255 text on black | 2.08:1 | Fails | Lc -9.1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D4D9E3
oklch(88.4% 0.015 264.5)
-
Step 300
300
#B8C1D2
oklch(80.9% 0.026 263.3)
-
Step 400
400
#94A1BB
oklch(70.8% 0.041 264.3)
-
Step 500
500
#7A89AB
oklch(63.1% 0.054 266.2)
-
Step 600
600
#637396
oklch(55.6% 0.058 265.5)
-
Step 700
700
#526080
oklch(49% 0.054 266.1)
-
Step 800
800
#434F68
oklch(42.8% 0.044 264.6)
-
Step 900
900 (this color)
#394255
oklch(37.9% 0.035 265)
-
Step 950
950
#212631
oklch(26.9% 0.022 265.8)
#394255 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) | #3C4356 | 0.006 |
| Deuteranopia (no green cones) | #394155 | 0.003 |
| Tritanopia (no blue cones) | #314648 | 0.032 |
| Achromatopsia (no color) | #424242 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394255
#394255
oklch(37.9% 0.035 265)
- #4B412D
#4B412D
oklch(38% 0.035 84.3)
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 #394255, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.023
- Charcoal #264653 ΔE 0.028
- Charcoal Grey #3C4142 ΔE 0.032
- Onyx #343A40 ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.046
- Dark Slate Gray #2F4F4F ΔE 0.048
- Dark Teal #014D4E ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.061
Use #394255 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.