#394152
Closest named color: Dark Grey Blue (#29465B). oklch(37.5% 0.031 265.2), rgb(57, 65, 82).
Aa
White text reads best on this color (10.23:1).
About this color
#394152 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.031 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.026 away. White text reads best on it, at 10.23:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.05:1 |
| White text | 10.23:1 |
Values
| HEX | #394152 |
| RGB | rgb(57, 65, 82) |
| HSL | hsl(221, 18%, 27%) |
| OKLCH | oklch(37.5% 0.031 265.2) |
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 #394152 | 10.23:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #394152 | 2.05:1 | Fails | Lc 10.2 | Not readable |
| #394152 text on white | 10.23:1 | AAA | Lc 93.8 | Preferred for body text |
| #394152 text on black | 2.05:1 | Fails | Lc -8.8 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D5D9E2
oklch(88.5% 0.013 266.7)
-
Step 300
300
#B9C1D0
oklch(80.9% 0.023 263.2)
-
Step 400
400
#95A1B9
oklch(70.8% 0.038 264.3)
-
Step 500
500
#7B89A7
oklch(63% 0.048 265.4)
-
Step 600
600
#657392
oklch(55.6% 0.051 265.8)
-
Step 700
700
#53617D
oklch(49.2% 0.048 264)
-
Step 800
800
#444F65
oklch(42.7% 0.039 264)
-
Step 900
900 (this color)
#394152
oklch(37.5% 0.031 265.2)
-
Step 950
950
#222630
oklch(26.9% 0.02 267.9)
#394152 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) | #3C4253 | 0.006 |
| Deuteranopia (no green cones) | #394052 | 0.003 |
| Tritanopia (no blue cones) | #324447 | 0.027 |
| Achromatopsia (no color) | #414141 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #394152
#394152
oklch(37.5% 0.031 265.2)
- #49402E
#49402E
oklch(37.5% 0.031 84.4)
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 #394152, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.026
- Charcoal #264653 ΔE 0.028
- Charcoal Grey #3C4142 ΔE 0.028
- Onyx #343A40 ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.048
- Gunmetal #293241 ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.060
Use #394152 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.