#3F4062
Closest named color: Dark Grey Blue (#29465B). oklch(38.6% 0.058 282.1), rgb(63, 64, 98).
Aa
White text reads best on this color (9.90:1).
About this color
#3F4062 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.058 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.038 away. White text reads best on it, at 9.90:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.12:1 |
| White text | 9.90:1 |
Values
| HEX | #3F4062 |
| RGB | rgb(63, 64, 98) |
| HSL | hsl(238, 22%, 32%) |
| OKLCH | oklch(38.6% 0.058 282.1) |
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 #3F4062 | 9.90:1 | AAA | Lc -97.1 | Preferred for body text |
| Black text on #3F4062 | 2.12:1 | Fails | Lc 11.0 | Not readable |
| #3F4062 text on white | 9.90:1 | AAA | Lc 92.9 | Preferred for body text |
| #3F4062 text on black | 2.12:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D6D8E9
oklch(88.6% 0.023 280.6)
-
Step 300
300
#BCBEDC
oklch(81% 0.042 282.4)
-
Step 400
400
#999CCB
oklch(70.7% 0.069 281.6)
-
Step 500
500
#8183BE
oklch(63.2% 0.088 282.1)
-
Step 600
600
#6B6CAA
oklch(55.7% 0.095 282.1)
-
Step 700
700
#595A92
oklch(49.2% 0.089 281.8)
-
Step 800
800
#494976
oklch(42.6% 0.074 282.8)
-
Step 900
900 (this color)
#3F4062
oklch(38.6% 0.058 282.1)
-
Step 950
950
#232438
oklch(26.9% 0.037 281.4)
#3F4062 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) | #364463 | 0.017 |
| Deuteranopia (no green cones) | #344261 | 0.017 |
| Tritanopia (no blue cones) | #36464C | 0.050 |
| Achromatopsia (no color) | #434343 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4062
#3F4062
oklch(38.6% 0.058 282.1)
- #4A451E
#4A451E
oklch(38.6% 0.058 102.1)
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 #3F4062, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.038
- Charcoal #264653 ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.062
- Onyx #343A40 ΔE 0.062
- Twilight Blue #0A437A ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.065
- Dark Slate Gray #2F4F4F ΔE 0.069
Use #3F4062 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.