#284966
Closest named color: Dark Grey Blue (#29465B). oklch(39.4% 0.063 246.7), rgb(40, 73, 102).
Aa
White text reads best on this color (9.39:1).
About this color
#284966 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.063 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.019 away. White text reads best on it, at 9.39:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.23:1 |
| White text | 9.39:1 |
Values
| HEX | #284966 |
| RGB | rgb(40, 73, 102) |
| HSL | hsl(208, 44%, 28%) |
| OKLCH | oklch(39.4% 0.063 246.7) |
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 #284966 | 9.39:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #284966 | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #284966 text on white | 9.39:1 | AAA | Lc 91.6 | Preferred for body text |
| #284966 text on black | 2.23:1 | Fails | Lc -10.8 | 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 900.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF3
oklch(93.6% 0.014 248)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#A9C4DE
oklch(80.9% 0.047 247.4)
-
Step 400
400
#7AA5CD
oklch(70.6% 0.075 247.1)
-
Step 500
500
#568FC1
oklch(63.2% 0.097 246.5)
-
Step 600
600
#3A78AD
oklch(55.6% 0.105 246.9)
-
Step 700
700
#2B6595
oklch(49.1% 0.098 246.6)
-
Step 800
800
#255279
oklch(42.6% 0.082 247.3)
-
Step 900
900 (this color)
#284966
oklch(39.4% 0.063 246.7)
-
Step 950
950
#152839
oklch(26.9% 0.04 246.9)
#284966 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) | #3D4A67 | 0.027 |
| Deuteranopia (no green cones) | #344465 | 0.020 |
| Tritanopia (no blue cones) | #005053 | 0.052 |
| Achromatopsia (no color) | #464646 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #284966
#284966
oklch(39.4% 0.063 246.7)
- #5D3F1E
#5D3F1E
oklch(39.4% 0.063 66.7)
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 #284966, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.019
- Charcoal #264653 ΔE 0.033
- Twilight Blue #0A437A ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.050
- Light Navy #155084 ΔE 0.051
- Deep Sea Blue #015482 ΔE 0.052
- Deep Teal #00555A ΔE 0.053
- Dark Teal #014D4E ΔE 0.056
Use #284966 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.