#424661
Closest named color: Dark Grey Blue (#29465B). oklch(40.2% 0.046 277.6), rgb(66, 70, 97).
Aa
White text reads best on this color (9.20:1).
About this color
#424661 is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.046 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.037 away. White text reads best on it, at 9.20:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #424661 |
| RGB | rgb(66, 70, 97) |
| HSL | hsl(232, 19%, 32%) |
| OKLCH | oklch(40.2% 0.046 277.6) |
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 #424661 | 9.20:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #424661 | 2.28:1 | Fails | Lc 12.7 | Not readable |
| #424661 text on white | 9.20:1 | AAA | Lc 91.2 | Preferred for body text |
| #424661 text on black | 2.28:1 | Fails | Lc -11.1 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D8E3
oklch(88.4% 0.015 277.8)
-
Step 300
300
#BCBFD2
oklch(80.8% 0.027 278.6)
-
Step 400
400
#9A9FBC
oklch(70.8% 0.043 277.5)
-
Step 500
500
#8187AB
oklch(63.2% 0.055 277.3)
-
Step 600
600
#6B7096
oklch(55.6% 0.059 278.5)
-
Step 700
700
#595E80
oklch(49.1% 0.055 277.7)
-
Step 800
800 (this color)
#424661
oklch(40.2% 0.046 277.6)
-
Step 900
900
#3D4055
oklch(37.8% 0.036 278.2)
-
Step 950
950
#242632
oklch(27.2% 0.022 277.4)
#424661 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) | #3E4962 | 0.010 |
| Deuteranopia (no green cones) | #3C4660 | 0.009 |
| Tritanopia (no blue cones) | #3A4B4F | 0.041 |
| Achromatopsia (no color) | #484848 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424661
#424661
oklch(40.2% 0.046 277.6)
- #4F492B
#4F492B
oklch(40.3% 0.046 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 #424661, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.037
- Charcoal #264653 ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.055
- YInMn Blue #415A77 ΔE 0.063
- Dusty Grape #545775 ΔE 0.064
- Dusk #4E5481 ΔE 0.065
- Onyx #343A40 ΔE 0.067
Use #424661 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.