#354366
Closest named color: Dark Grey Blue (#29465B). oklch(38.7% 0.063 266.9), rgb(53, 67, 102).
Aa
White text reads best on this color (9.78:1).
About this color
#354366 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.063 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.028 away. White text reads best on it, at 9.78:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.14:1 |
| White text | 9.78:1 |
Values
| HEX | #354366 |
| RGB | rgb(53, 67, 102) |
| HSL | hsl(223, 32%, 30%) |
| OKLCH | oklch(38.7% 0.063 266.9) |
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 #354366 | 9.78:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #354366 | 2.14:1 | Fails | Lc 11.3 | Not readable |
| #354366 text on white | 9.78:1 | AAA | Lc 92.6 | Preferred for body text |
| #354366 text on black | 2.14:1 | Fails | Lc -9.8 | 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
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D1D9EB
oklch(88.5% 0.026 266.6)
-
Step 300
300
#B3C0E0
oklch(80.8% 0.047 267.8)
-
Step 400
400
#8BA0D0
oklch(70.7% 0.075 266.2)
-
Step 500
500
#6F87C4
oklch(63% 0.097 267.2)
-
Step 600
600
#5770B1
oklch(55.5% 0.106 267)
-
Step 700
700
#485E98
oklch(49.1% 0.097 267.1)
-
Step 800
800
#3B4D7B
oklch(42.7% 0.08 266.8)
-
Step 900
900 (this color)
#354366
oklch(38.7% 0.063 266.9)
-
Step 950
950
#1E263A
oklch(27.1% 0.039 267.1)
#354366 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) | #364667 | 0.009 |
| Deuteranopia (no green cones) | #314265 | 0.007 |
| Tritanopia (no blue cones) | #234A50 | 0.055 |
| Achromatopsia (no color) | #444444 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354366
#354366
oklch(38.7% 0.063 266.9)
- #534218
#534218
oklch(38.8% 0.063 86.9)
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 #354366, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.028
- Charcoal #264653 ΔE 0.043
- Twilight Blue #0A437A ΔE 0.050
- Dark Blue Grey #1F3B4D ΔE 0.058
- Light Navy #155084 ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.061
- Charcoal Grey #3C4142 ΔE 0.061
- Dark Slate Gray #2F4F4F ΔE 0.064
Use #354366 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.