#354E69
Closest named color: Dark Grey Blue (#29465B). oklch(41.6% 0.055 251.1), rgb(53, 78, 105).
Aa
White text reads best on this color (8.58:1).
About this color
#354E69 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.055 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.036 away. White text reads best on it, at 8.58:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.44:1 |
| White text | 8.58:1 |
Values
| HEX | #354E69 |
| RGB | rgb(53, 78, 105) |
| HSL | hsl(211, 33%, 31%) |
| OKLCH | oklch(41.6% 0.055 251.1) |
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 #354E69 | 8.58:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #354E69 | 2.44:1 | Fails | Lc 14.5 | Not readable |
| #354E69 text on white | 8.58:1 | AAA | Lc 89.4 | Fine for body text |
| #354E69 text on black | 2.44:1 | Fails | Lc -12.8 | 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 800.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B2C3D5
oklch(81% 0.032 249.7)
-
Step 400
400
#89A3C0
oklch(70.6% 0.052 251.4)
-
Step 500
500
#6C8DB0
oklch(63.2% 0.065 250.4)
-
Step 600
600
#53769C
oklch(55.5% 0.072 251.2)
-
Step 700
700
#446385
oklch(49% 0.066 251.5)
-
Step 800
800 (this color)
#354E69
oklch(41.6% 0.055 251.1)
-
Step 900
900
#304358
oklch(37.6% 0.044 251.5)
-
Step 950
950
#1D2733
oklch(26.9% 0.027 253.3)
#354E69 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) | #434F6A | 0.020 |
| Deuteranopia (no green cones) | #3D4A68 | 0.015 |
| Tritanopia (no blue cones) | #1F5457 | 0.047 |
| Achromatopsia (no color) | #4C4C4C | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #354E69
#354E69
oklch(41.6% 0.055 251.1)
- #5F4729
#5F4729
oklch(41.6% 0.055 71.5)
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 #354E69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.036
- YInMn Blue #415A77 ΔE 0.044
- Charcoal #264653 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.050
- Light Navy #155084 ΔE 0.050
- Deep Teal #00555A ΔE 0.054
- Light Navy Blue #2E5A88 ΔE 0.055
Use #354E69 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.