#354664
Closest named color: Dark Grey Blue (#29465B). oklch(39.3% 0.056 261.4), rgb(53, 70, 100).
Aa
White text reads best on this color (9.49:1).
About this color
#354664 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.056 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.023 away. White text reads best on it, at 9.49:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.21:1 |
| White text | 9.49:1 |
Values
| HEX | #354664 |
| RGB | rgb(53, 70, 100) |
| HSL | hsl(218, 31%, 30%) |
| OKLCH | oklch(39.3% 0.056 261.4) |
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 #354664 | 9.49:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #354664 | 2.21:1 | Fails | Lc 12.0 | Not readable |
| #354664 text on white | 9.49:1 | AAA | Lc 91.9 | Preferred for body text |
| #354664 text on black | 2.21:1 | Fails | Lc -10.5 | 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
#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
#8AA1CB
oklch(70.7% 0.067 262.3)
-
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
#456092
oklch(49.1% 0.087 262)
-
Step 800
800
#394F76
oklch(42.8% 0.071 261.4)
-
Step 900
900 (this color)
#354664
oklch(39.3% 0.056 261.4)
-
Step 950
950
#1D2738
oklch(27.2% 0.035 260.8)
#354664 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) | #3B4865 | 0.011 |
| Deuteranopia (no green cones) | #364463 | 0.006 |
| Tritanopia (no blue cones) | #234C50 | 0.050 |
| Achromatopsia (no color) | #464646 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354664
#354664
oklch(39.3% 0.056 261.4)
- #554321
#554321
oklch(39.4% 0.056 81.9)
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 #354664, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.023
- Charcoal #264653 ΔE 0.037
- Dark Slate Gray #2F4F4F ΔE 0.054
- Twilight Blue #0A437A ΔE 0.055
- Charcoal Grey #3C4142 ΔE 0.056
- Light Navy #155084 ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.059
- Deep Sea Blue #015482 ΔE 0.063
Use #354664 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.