#334970
Closest named color: Dark Grey Blue (#29465B). oklch(40.6% 0.072 261.3), rgb(51, 73, 112).
Aa
White text reads best on this color (9.02:1).
About this color
#334970 is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.072 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.039 away. White text reads best on it, at 9.02:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #334970 |
| RGB | rgb(51, 73, 112) |
| HSL | hsl(218, 37%, 32%) |
| OKLCH | oklch(40.6% 0.072 261.3) |
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 #334970 | 9.02:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #334970 | 2.32:1 | Fails | Lc 13.3 | Not readable |
| #334970 text on white | 9.02:1 | AAA | Lc 90.6 | Preferred for body text |
| #334970 text on black | 2.32:1 | Fails | Lc -11.7 | 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
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D1DAE9
oklch(88.6% 0.023 260.7)
-
Step 300
300
#B2C1DC
oklch(80.8% 0.042 262.3)
-
Step 400
400
#89A1CB
oklch(70.6% 0.068 261.5)
-
Step 500
500
#6C8ABE
oklch(63.1% 0.086 261.1)
-
Step 600
600
#5473AA
oklch(55.6% 0.093 261.4)
-
Step 700
700
#446092
oklch(49% 0.087 261.4)
-
Step 800
800 (this color)
#334970
oklch(40.6% 0.072 261.3)
-
Step 900
900
#31425F
oklch(37.8% 0.055 260.8)
-
Step 950
950
#1D2738
oklch(27.2% 0.035 260.8)
#334970 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) | #3A4C72 | 0.014 |
| Deuteranopia (no green cones) | #33466F | 0.009 |
| Tritanopia (no blue cones) | #155257 | 0.065 |
| Achromatopsia (no color) | #494949 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334970
#334970
oklch(40.6% 0.072 261.3)
- #5D4514
#5D4514
oklch(40.7% 0.072 81.6)
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 #334970, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.039
- Light Navy #155084 ΔE 0.041
- Twilight Blue #0A437A ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.047
- Dusk Blue #26538D ΔE 0.051
- Charcoal #264653 ΔE 0.053
- Cobalt #1E488F ΔE 0.056
- YInMn Blue #415A77 ΔE 0.057
Use #334970 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.