#424365
Closest named color: Dark Grey Blue (#29465B). oklch(39.7% 0.057 282.2), rgb(66, 67, 101).
Aa
White text reads best on this color (9.44:1).
About this color
#424365 is a dark, muted purple. In OKLCH its lightness is 40%, its chroma 0.057 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.041 away. White text reads best on it, at 9.44:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.22:1 |
| White text | 9.44:1 |
Values
| HEX | #424365 |
| RGB | rgb(66, 67, 101) |
| HSL | hsl(238, 21%, 33%) |
| OKLCH | oklch(39.7% 0.057 282.2) |
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 #424365 | 9.44:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #424365 | 2.22:1 | Fails | Lc 12.1 | Not readable |
| #424365 text on white | 9.44:1 | AAA | Lc 91.8 | Preferred for body text |
| #424365 text on black | 2.22:1 | Fails | Lc -10.6 | 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
#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
#8183BD
oklch(63.1% 0.087 282.1)
-
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)
#424365
oklch(39.7% 0.057 282.2)
-
Step 950
950
#242438
oklch(27% 0.037 283.7)
#424365 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) | #394766 | 0.017 |
| Deuteranopia (no green cones) | #374564 | 0.017 |
| Tritanopia (no blue cones) | #39494F | 0.050 |
| Achromatopsia (no color) | #464646 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424365
#424365
oklch(39.7% 0.057 282.2)
- #4D4822
#4D4822
oklch(39.7% 0.057 101.9)
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 #424365, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.041
- Charcoal #264653 ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.061
- Dusk #4E5481 ΔE 0.066
- Dark Slate Gray #2F4F4F ΔE 0.067
- Twilight Blue #0A437A ΔE 0.067
- Light Navy #155084 ΔE 0.069
- YInMn Blue #415A77 ΔE 0.069
Use #424365 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.