#334364
Closest named color: Dark Grey Blue (#29465B). oklch(38.5% 0.06 264), rgb(51, 67, 100).
Aa
White text reads best on this color (9.87:1).
About this color
#334364 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.060 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.024 away. White text reads best on it, at 9.87:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.12:1 |
| White text | 9.87:1 |
Values
| HEX | #334364 |
| RGB | rgb(51, 67, 100) |
| HSL | hsl(220, 32%, 30%) |
| OKLCH | oklch(38.5% 0.06 264) |
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 #334364 | 9.87:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #334364 | 2.12:1 | Fails | Lc 11.1 | Not readable |
| #334364 text on white | 9.87:1 | AAA | Lc 92.8 | Preferred for body text |
| #334364 text on black | 2.12:1 | Fails | Lc -9.6 | 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
#F3F5FA
oklch(97% 0.007 268.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D1D9EA
oklch(88.4% 0.025 265.6)
-
Step 300
300
#B2C1DF
oklch(80.9% 0.046 264.3)
-
Step 400
400
#8AA1CF
oklch(70.8% 0.073 263.9)
-
Step 500
500
#6D89C2
oklch(63.2% 0.092 263.9)
-
Step 600
600
#5572AE
oklch(55.6% 0.1 263.8)
-
Step 700
700
#455F96
oklch(49.1% 0.094 264.1)
-
Step 800
800
#394E79
oklch(42.7% 0.077 263.7)
-
Step 900
900 (this color)
#334364
oklch(38.5% 0.06 264)
-
Step 950
950
#1D2639
oklch(27% 0.038 264.5)
#334364 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 | 0.011 |
| Deuteranopia (no green cones) | #324163 | 0.006 |
| Tritanopia (no blue cones) | #204A4F | 0.054 |
| Achromatopsia (no color) | #434343 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334364
#334364
oklch(38.5% 0.06 264)
- #53411A
#53411A
oklch(38.6% 0.061 84.3)
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 #334364, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.024
- Charcoal #264653 ΔE 0.038
- Twilight Blue #0A437A ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.053
- Prussian Blue #1D3557 ΔE 0.058
- Charcoal Grey #3C4142 ΔE 0.058
- Dark Slate Gray #2F4F4F ΔE 0.061
- Light Navy #155084 ΔE 0.062
Use #334364 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.