#334671
Closest named color: Dark Grey Blue (#29465B). oklch(39.9% 0.077 265.1), rgb(51, 70, 113).
Aa
White text reads best on this color (9.31:1).
About this color
#334671 is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.077 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.041 away. White text reads best on it, at 9.31:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.25:1 |
| White text | 9.31:1 |
Values
| HEX | #334671 |
| RGB | rgb(51, 70, 113) |
| HSL | hsl(222, 38%, 32%) |
| OKLCH | oklch(39.9% 0.077 265.1) |
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 #334671 | 9.31:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #334671 | 2.25:1 | Fails | Lc 12.6 | Not readable |
| #334671 text on white | 9.31:1 | AAA | Lc 91.4 | Preferred for body text |
| #334671 text on black | 2.25:1 | Fails | Lc -11.0 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CFD9EF
oklch(88.4% 0.032 266.1)
-
Step 300
300
#AFC1E7
oklch(81% 0.057 265.2)
-
Step 400
400
#84A0DB
oklch(70.7% 0.092 264.6)
-
Step 500
500
#6687D1
oklch(63.1% 0.118 265)
-
Step 600
600
#4E70BE
oklch(55.7% 0.128 264.8)
-
Step 700
700
#3F5DA4
oklch(49.1% 0.119 265.1)
-
Step 800
800
#344C85
oklch(42.7% 0.099 265.2)
-
Step 900
900 (this color)
#334671
oklch(39.9% 0.077 265.1)
-
Step 950
950
#1B263E
oklch(27.1% 0.048 264.7)
#334671 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) | #354A73 | 0.013 |
| Deuteranopia (no green cones) | #2E4470 | 0.010 |
| Tritanopia (no blue cones) | #154F56 | 0.068 |
| Achromatopsia (no color) | #474747 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334671
#334671
oklch(39.9% 0.077 265.1)
- #5A4409
#5A4409
oklch(40% 0.077 86)
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 #334671, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.041
- Twilight Blue #0A437A ΔE 0.041
- Light Navy #155084 ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.051
- Cobalt #1E488F ΔE 0.053
- Dusk Blue #26538D ΔE 0.054
- Charcoal #264653 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.062
Use #334671 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.