#354663
Closest named color: Dark Grey Blue (#29465B). oklch(39.3% 0.054 260.8), rgb(53, 70, 99).
Aa
White text reads best on this color (9.51:1).
About this color
#354663 is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.054 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.022 away. White text reads best on it, at 9.51:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.20:1 |
| White text | 9.51:1 |
Values
| HEX | #354663 |
| RGB | rgb(53, 70, 99) |
| HSL | hsl(218, 30%, 30%) |
| OKLCH | oklch(39.3% 0.054 260.8) |
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 #354663 | 9.51:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #354663 | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #354663 text on white | 9.51:1 | AAA | Lc 92.0 | Preferred for body text |
| #354663 text on black | 2.20:1 | Fails | Lc -10.4 | 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
#D1DAE8
oklch(88.6% 0.022 259.2)
-
Step 300
300
#B2C1DC
oklch(80.8% 0.042 262.3)
-
Step 400
400
#8AA2CA
oklch(70.8% 0.065 260.5)
-
Step 500
500
#6D8ABC
oklch(63.1% 0.083 261)
-
Step 600
600
#5573A8
oklch(55.5% 0.09 261.3)
-
Step 700
700
#456190
oklch(49.2% 0.083 260.4)
-
Step 800
800
#394F75
oklch(42.7% 0.069 260.9)
-
Step 900
900 (this color)
#354663
oklch(39.3% 0.054 260.8)
-
Step 950
950
#1D2737
oklch(27.1% 0.033 259.6)
#354663 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) | #3B4864 | 0.011 |
| Deuteranopia (no green cones) | #364462 | 0.006 |
| Tritanopia (no blue cones) | #244C50 | 0.048 |
| Achromatopsia (no color) | #464646 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354663
#354663
oklch(39.3% 0.054 260.8)
- #554322
#554322
oklch(39.4% 0.055 81.2)
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 #354663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.022
- Charcoal #264653 ΔE 0.035
- Dark Slate Gray #2F4F4F ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.055
- Twilight Blue #0A437A ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.058
- Light Navy #155084 ΔE 0.060
- Onyx #343A40 ΔE 0.063
Use #354663 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.