#3D425B
Closest named color: Dark Grey Blue (#29465B). oklch(38.5% 0.043 275.4), rgb(61, 66, 91).
Aa
White text reads best on this color (9.86:1).
About this color
#3D425B is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.043 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.029 away. White text reads best on it, at 9.86:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.12:1 |
| White text | 9.86:1 |
Values
| HEX | #3D425B |
| RGB | rgb(61, 66, 91) |
| HSL | hsl(230, 20%, 30%) |
| OKLCH | oklch(38.5% 0.043 275.4) |
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 #3D425B | 9.86:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #3D425B | 2.12:1 | Fails | Lc 11.1 | Not readable |
| #3D425B text on white | 9.86:1 | AAA | Lc 92.9 | Preferred for body text |
| #3D425B text on black | 2.12:1 | Fails | Lc -9.6 | 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
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D5D8E5
oklch(88.4% 0.018 275.6)
-
Step 300
300
#BABFD6
oklch(80.8% 0.033 275.9)
-
Step 400
400
#979FC1
oklch(70.8% 0.05 274.7)
-
Step 500
500
#7E87B2
oklch(63.2% 0.066 275.2)
-
Step 600
600
#67709E
oklch(55.6% 0.072 275.3)
-
Step 700
700
#565E87
oklch(49.2% 0.067 275.2)
-
Step 800
800
#464D6D
oklch(42.8% 0.054 274.4)
-
Step 900
900 (this color)
#3D425B
oklch(38.5% 0.043 275.4)
-
Step 950
950
#222534
oklch(26.8% 0.028 275.6)
#3D425B 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) | #3A445C | 0.007 |
| Deuteranopia (no green cones) | #38425A | 0.008 |
| Tritanopia (no blue cones) | #35474B | 0.039 |
| Achromatopsia (no color) | #434343 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D425B
#3D425B
oklch(38.5% 0.043 275.4)
- #4B4429
#4B4429
oklch(38.6% 0.043 95.3)
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 #3D425B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.029
- Charcoal #264653 ΔE 0.038
- Charcoal Grey #3C4142 ΔE 0.043
- Onyx #343A40 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.065
- Dark Teal #014D4E ΔE 0.071
Use #3D425B 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.