#424798
Closest named color: Blueberry (#464196). oklch(43.8% 0.13 276.9), rgb(66, 71, 152).
Aa
White text reads best on this color (8.11:1).
About this color
#424798 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.130 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.016 away. White text reads best on it, at 8.11:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.58:1 |
| White text | 8.11:1 |
Values
| HEX | #424798 |
| RGB | rgb(66, 71, 152) |
| HSL | hsl(237, 39%, 43%) |
| OKLCH | oklch(43.8% 0.13 276.9) |
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 #424798 | 8.11:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #424798 | 2.58:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #424798 text on white | 8.11:1 | AAA | Lc 87.9 | Fine for body text |
| #424798 text on black | 2.58:1 | Fails | Lc -14.3 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D1D7F6
oklch(88.4% 0.043 276.8)
-
Step 300
300
#B4BDF2
oklch(81% 0.076 277.1)
-
Step 400
400
#8D99EC
oklch(70.7% 0.122 276.5)
-
Step 500
500
#737DE6
oklch(63.1% 0.156 276.8)
-
Step 600
600
#5D64D4
oklch(55.7% 0.169 276.7)
-
Step 700
700
#4D52B7
oklch(49.1% 0.157 276.8)
-
Step 800
800 (this color)
#424798
oklch(43.8% 0.13 276.9)
-
Step 900
900
#353A76
oklch(37.7% 0.101 276.8)
-
Step 950
950
#1F2245
oklch(26.9% 0.064 277.4)
#424798 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) | #1A539B | 0.047 |
| Deuteranopia (no green cones) | #094C96 | 0.052 |
| Tritanopia (no blue cones) | #155968 | 0.114 |
| Achromatopsia (no color) | #505050 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424798
#424798
oklch(43.8% 0.13 276.9)
- #605100
#605100
oklch(43.7% 0.09 96.7)
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 #424798, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.016
- Dark Slate Blue #483D8B ΔE 0.032
- Twilight #4E518B ΔE 0.043
- Cobalt #1E488F ΔE 0.045
- Dusk Blue #26538D ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.058
- Dusk #4E5481 ΔE 0.061
- Light Navy #155084 ΔE 0.063
Use #424798 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.