#284464
Closest named color: Dark Grey Blue (#29465B). oklch(38% 0.065 252.8), rgb(40, 68, 100).
Aa
White text reads best on this color (9.99:1).
About this color
#284464 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.065 and its hue 253°. 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 9.99:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.10:1 |
| White text | 9.99:1 |
Values
| HEX | #284464 |
| RGB | rgb(40, 68, 100) |
| HSL | hsl(212, 43%, 27%) |
| OKLCH | oklch(38% 0.065 252.8) |
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 #284464 | 9.99:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #284464 | 2.10:1 | Fails | Lc 10.9 | Not readable |
| #284464 text on white | 9.99:1 | AAA | Lc 93.1 | Preferred for body text |
| #284464 text on black | 2.10:1 | Fails | Lc -9.4 | 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
#CDDBEB
oklch(88.6% 0.027 251.7)
-
Step 300
300
#ABC3E0
oklch(80.9% 0.049 253.3)
-
Step 400
400
#7EA4D0
oklch(70.7% 0.077 252.5)
-
Step 500
500
#5C8DC4
oklch(63.2% 0.099 252.2)
-
Step 600
600
#4176B1
oklch(55.6% 0.108 252.6)
-
Step 700
700
#336398
oklch(49.2% 0.1 252.5)
-
Step 800
800
#2B517B
oklch(42.7% 0.083 252.4)
-
Step 900
900 (this color)
#284464
oklch(38% 0.065 252.8)
-
Step 950
950
#17273A
oklch(26.8% 0.042 253.5)
#284464 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) | #374665 | 0.021 |
| Deuteranopia (no green cones) | #2F4063 | 0.014 |
| Tritanopia (no blue cones) | #004B4F | 0.056 |
| Achromatopsia (no color) | #424242 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #284464
#284464
oklch(38% 0.065 252.8)
- #573C16
#573C16
oklch(37.9% 0.065 72.7)
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 #284464, 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 0.044
- Dark Blue Grey #1F3B4D ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.053
- Marine Blue #01386A ΔE 0.055
- Light Navy #155084 ΔE 0.058
- Midnight Green #073B4C ΔE 0.059
Use #284464 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.