#39425F
Closest named color: Dark Grey Blue (#29465B). oklch(38.4% 0.051 270.6), rgb(57, 66, 95).
Aa
White text reads best on this color (9.91:1).
About this color
#39425F is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.051 and its hue 271°. 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 9.91:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.11:1 |
| White text | 9.91:1 |
Values
| HEX | #39425F |
| RGB | rgb(57, 66, 95) |
| HSL | hsl(226, 25%, 30%) |
| OKLCH | oklch(38.4% 0.051 270.6) |
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 #39425F | 9.91:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #39425F | 2.11:1 | Fails | Lc 11.0 | Not readable |
| #39425F text on white | 9.91:1 | AAA | Lc 93.0 | Preferred for body text |
| #39425F text on black | 2.11:1 | Fails | Lc -9.5 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D4D9E8
oklch(88.6% 0.021 271.2)
-
Step 300
300
#B7C0DA
oklch(80.9% 0.038 270.4)
-
Step 400
400
#929FC8
oklch(70.7% 0.062 271)
-
Step 500
500
#7787B9
oklch(63% 0.078 270.4)
-
Step 600
600
#6070A6
oklch(55.5% 0.086 270.8)
-
Step 700
700
#505E8E
oklch(49.1% 0.079 270.9)
-
Step 800
800
#414D73
oklch(42.7% 0.065 270.1)
-
Step 900
900 (this color)
#39425F
oklch(38.4% 0.051 270.6)
-
Step 950
950
#202636
oklch(27% 0.031 268.4)
#39425F 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) | #384560 | 0.009 |
| Deuteranopia (no green cones) | #35415E | 0.007 |
| Tritanopia (no blue cones) | #2D484C | 0.047 |
| Achromatopsia (no color) | #434343 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39425F
#39425F
oklch(38.4% 0.051 270.6)
- #4E4222
#4E4222
oklch(38.3% 0.051 89.4)
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 #39425F, 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 0.038
- Charcoal Grey #3C4142 ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.053
- Onyx #343A40 ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.058
- Prussian Blue #1D3557 ΔE 0.060
- Twilight Blue #0A437A ΔE 0.062
Use #39425F 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.