#424567
Closest named color: Dark Grey Blue (#29465B). oklch(40.3% 0.057 279.6), rgb(66, 69, 103).
Aa
White text reads best on this color (9.21:1).
About this color
#424567 is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.057 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.042 away. White text reads best on it, at 9.21:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.27:1 |
| White text | 9.21:1 |
Values
| HEX | #424567 |
| RGB | rgb(66, 69, 103) |
| HSL | hsl(235, 22%, 33%) |
| OKLCH | oklch(40.3% 0.057 279.6) |
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 #424567 | 9.21:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #424567 | 2.27:1 | Fails | Lc 12.7 | Not readable |
| #424567 text on white | 9.21:1 | AAA | Lc 91.2 | Preferred for body text |
| #424567 text on black | 2.27:1 | 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
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E6
oklch(88.5% 0.019 279.5)
-
Step 300
300
#BCBFD6
oklch(81% 0.032 279.7)
-
Step 400
400
#999EC2
oklch(70.8% 0.053 278.8)
-
Step 500
500
#8185B3
oklch(63.1% 0.069 280.4)
-
Step 600
600
#6A6F9E
oklch(55.6% 0.073 279.1)
-
Step 700
700
#595C88
oklch(49.1% 0.07 280.5)
-
Step 800
800 (this color)
#424567
oklch(40.3% 0.057 279.6)
-
Step 900
900
#3D3F59
oklch(37.7% 0.044 280.6)
-
Step 950
950
#232534
oklch(26.9% 0.028 278.4)
#424567 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) | #3B4968 | 0.015 |
| Deuteranopia (no green cones) | #394666 | 0.014 |
| Tritanopia (no blue cones) | #384B51 | 0.050 |
| Achromatopsia (no color) | #484848 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424567
#424567
oklch(40.3% 0.057 279.6)
- #504923
#504923
oklch(40.3% 0.057 99.1)
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 #424567, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.042
- Charcoal #264653 ΔE 0.054
- Dusk #4E5481 ΔE 0.060
- YInMn Blue #415A77 ΔE 0.063
- Charcoal Grey #3C4142 ΔE 0.064
- Dusty Grape #545775 ΔE 0.064
- Light Navy #155084 ΔE 0.065
- Dark Slate Gray #2F4F4F ΔE 0.065
Use #424567 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.