#304965
Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.057 252), rgb(48, 73, 101).
Aa
White text reads best on this color (9.26:1).
About this color
#304965 is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.057 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.021 away. White text reads best on it, at 9.26:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #304965 |
| RGB | rgb(48, 73, 101) |
| HSL | hsl(212, 36%, 29%) |
| OKLCH | oklch(39.8% 0.057 252) |
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 #304965 | 9.26:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #304965 | 2.26:1 | Fails | Lc 12.7 | Not readable |
| #304965 text on white | 9.26:1 | AAA | Lc 91.3 | Preferred for body text |
| #304965 text on black | 2.26:1 | 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 900.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CEDBE9
oklch(88.6% 0.024 250.1)
-
Step 300
300
#ADC3DC
oklch(80.9% 0.043 251.7)
-
Step 400
400
#82A4CA
oklch(70.7% 0.067 251.6)
-
Step 500
500
#628DBD
oklch(63.2% 0.087 251.9)
-
Step 600
600
#4876A9
oklch(55.5% 0.095 252.1)
-
Step 700
700
#396391
oklch(49% 0.088 252)
-
Step 800
800
#305176
oklch(42.7% 0.073 252.4)
-
Step 900
900 (this color)
#304965
oklch(39.8% 0.057 252)
-
Step 950
950
#192838
oklch(27.1% 0.036 250.8)
#304965 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) | #3E4A66 | 0.020 |
| Deuteranopia (no green cones) | #374564 | 0.014 |
| Tritanopia (no blue cones) | #174F53 | 0.048 |
| Achromatopsia (no color) | #474747 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #304965
#304965
oklch(39.8% 0.057 252)
- #5A4223
#5A4223
oklch(39.8% 0.056 72)
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 #304965, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.021
- Charcoal #264653 ΔE 0.034
- Dark Slate Gray #2F4F4F ΔE 0.048
- Light Navy #155084 ΔE 0.054
- Twilight Blue #0A437A ΔE 0.054
- Deep Sea Blue #015482 ΔE 0.056
- Deep Teal #00555A ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.058
Use #304965 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.