#424593
Closest named color: Blueberry (#464196). oklch(43.1% 0.126 278.1), rgb(66, 69, 147).
Aa
White text reads best on this color (8.38:1).
About this color
#424593 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.126 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.013 away. White text reads best on it, at 8.38:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.50:1 |
| White text | 8.38:1 |
Values
| HEX | #424593 |
| RGB | rgb(66, 69, 147) |
| HSL | hsl(238, 38%, 42%) |
| OKLCH | oklch(43.1% 0.126 278.1) |
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 #424593 | 8.38:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #424593 | 2.50:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #424593 text on white | 8.38:1 | AAA | Lc 88.7 | Fine for body text |
| #424593 text on black | 2.50:1 | Fails | Lc -13.5 | 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 800.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D2D7F5
oklch(88.5% 0.042 278)
-
Step 300
300
#B5BDF0
oklch(81% 0.073 277.7)
-
Step 400
400
#9099E9
oklch(70.8% 0.117 278.1)
-
Step 500
500
#767DE2
oklch(63.1% 0.15 278.2)
-
Step 600
600
#6064D0
oklch(55.6% 0.163 278.1)
-
Step 700
700
#5052B4
oklch(49.1% 0.152 278.3)
-
Step 800
800 (this color)
#424593
oklch(43.1% 0.126 278.1)
-
Step 900
900
#373A74
oklch(37.7% 0.097 278.4)
-
Step 950
950
#202244
oklch(26.9% 0.063 278.8)
#424593 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) | #1B5196 | 0.048 |
| Deuteranopia (no green cones) | #0F4A91 | 0.051 |
| Tritanopia (no blue cones) | #1C5765 | 0.111 |
| Achromatopsia (no color) | #4E4E4E | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424593
#424593
oklch(43.1% 0.126 278.1)
- #5D5000
#5D5000
oklch(43.1% 0.089 98.4)
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 #424593, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.013
- Dark Slate Blue #483D8B ΔE 0.024
- Cobalt #1E488F ΔE 0.043
- Twilight #4E518B ΔE 0.043
- Dusk Blue #26538D ΔE 0.049
- Dusk #4E5481 ΔE 0.060
- Light Navy #155084 ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.061
Use #424593 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.