#42466D
Closest named color: Dark Grey Blue (#29465B). oklch(40.8% 0.065 278.6), rgb(66, 70, 109).
Aa
White text reads best on this color (9.01:1).
About this color
#42466D is a dark, muted blue. In OKLCH its lightness is 41%, its chroma 0.065 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.048 away. White text reads best on it, at 9.01:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.32:1 |
| White text | 9.01:1 |
Values
| HEX | #42466D |
| RGB | rgb(66, 70, 109) |
| HSL | hsl(234, 25%, 34%) |
| OKLCH | oklch(40.8% 0.065 278.6) |
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 #42466D | 9.01:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #42466D | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #42466D text on white | 9.01:1 | AAA | Lc 90.7 | Preferred for body text |
| #42466D text on black | 2.32:1 | Fails | Lc -11.6 | 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 800.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E7
oklch(88.5% 0.021 279.9)
-
Step 300
300
#BBBFDA
oklch(81% 0.038 278.8)
-
Step 400
400
#989DC7
oklch(70.7% 0.062 279.4)
-
Step 500
500
#7F85B9
oklch(63.2% 0.078 278.8)
-
Step 600
600
#686EA5
oklch(55.6% 0.086 278.5)
-
Step 700
700
#575C8D
oklch(49.2% 0.078 278.6)
-
Step 800
800 (this color)
#42466D
oklch(40.8% 0.065 278.6)
-
Step 900
900
#3B3F5D
oklch(37.7% 0.052 277.8)
-
Step 950
950
#232536
oklch(27% 0.032 278.9)
#42466D 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) | #394B6F | 0.018 |
| Deuteranopia (no green cones) | #37476C | 0.016 |
| Tritanopia (no blue cones) | #364E54 | 0.059 |
| Achromatopsia (no color) | #494949 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42466D
#42466D
oklch(40.8% 0.065 278.6)
- #534A1C
#534A1C
oklch(40.8% 0.066 98.3)
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 #42466D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.048
- Dusk #4E5481 ΔE 0.053
- Light Navy #155084 ΔE 0.059
- Twilight #4E518B ΔE 0.059
- YInMn Blue #415A77 ΔE 0.059
- Dusty Grape #545775 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.061
- Charcoal #264653 ΔE 0.062
Use #42466D 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.