#424356
Closest named color: Dark Grey Blue (#29465B). oklch(39% 0.032 282.4), rgb(66, 67, 86).
Aa
White text reads best on this color (9.68:1).
About this color
#424356 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.032 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.035 away. White text reads best on it, at 9.68:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.16:1 |
| White text | 9.68:1 |
Values
| HEX | #424356 |
| RGB | rgb(66, 67, 86) |
| HSL | hsl(237, 13%, 30%) |
| OKLCH | oklch(39% 0.032 282.4) |
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 #424356 | 9.68:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #424356 | 2.16:1 | Fails | Lc 11.5 | Not readable |
| #424356 text on white | 9.68:1 | AAA | Lc 92.5 | Preferred for body text |
| #424356 text on black | 2.16:1 | Fails | Lc -10.0 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D8E2
oklch(88.4% 0.014 281.5)
-
Step 300
300
#BEBFD0
oklch(80.9% 0.024 283.2)
-
Step 400
400
#9C9EB9
oklch(70.7% 0.039 282)
-
Step 500
500
#8486A7
oklch(63% 0.049 282.2)
-
Step 600
600
#6E7092
oklch(55.6% 0.053 281.9)
-
Step 700
700
#5C5D7D
oklch(49% 0.051 282.9)
-
Step 800
800
#4B4C65
oklch(42.6% 0.041 282.7)
-
Step 900
900 (this color)
#424356
oklch(39% 0.032 282.4)
-
Step 950
950
#252530
oklch(26.9% 0.02 285)
#424356 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) | #3E4557 | 0.008 |
| Deuteranopia (no green cones) | #3D4455 | 0.009 |
| Tritanopia (no blue cones) | #3E4649 | 0.028 |
| Achromatopsia (no color) | #444444 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424356
#424356
oklch(39% 0.032 282.4)
- #484632
#484632
oklch(39% 0.032 103)
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 #424356, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.036
- Charcoal #264653 ΔE 0.040
- Onyx #343A40 ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.060
- Dark Teal #014D4E ΔE 0.071
- Purple Brown #673A3F ΔE 0.074
Use #424356 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.