#353D53
Closest named color: Dark Grey Blue (#29465B). oklch(36.2% 0.04 268.9), rgb(53, 61, 83).
Aa
White text reads best on this color (10.80:1).
About this color
#353D53 is a dark, muted blue. In OKLCH its lightness is 36%, its chroma 0.040 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.030 away. White text reads best on it, at 10.80:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 1.94:1 |
| White text | 10.80:1 |
Values
| HEX | #353D53 |
| RGB | rgb(53, 61, 83) |
| HSL | hsl(224, 22%, 27%) |
| OKLCH | oklch(36.2% 0.04 268.9) |
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 #353D53 | 10.80:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #353D53 | 1.94:1 | Fails | Lc 8.9 | Not readable |
| #353D53 text on white | 10.80:1 | AAA | Lc 95.0 | Preferred for body text |
| #353D53 text on black | 1.94:1 | Fails | Lc -7.6 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAF0
oklch(93.6% 0.009 264.5)
-
Step 200
200
#D4D9E4
oklch(88.5% 0.016 266.3)
-
Step 300
300
#B8C0D5
oklch(80.8% 0.031 269.1)
-
Step 400
400
#94A0BF
oklch(70.7% 0.047 268.5)
-
Step 500
500
#7A88AF
oklch(63% 0.061 269.3)
-
Step 600
600
#63729B
oklch(55.6% 0.067 268.7)
-
Step 700
700
#525F84
oklch(49% 0.062 269.1)
-
Step 800
800
#434E6B
oklch(42.7% 0.05 268.2)
-
Step 900
900 (this color)
#353D53
oklch(36.2% 0.04 268.9)
-
Step 950
950
#212633
oklch(27% 0.025 268.3)
#353D53 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) | #363F54 | 0.007 |
| Deuteranopia (no green cones) | #333C52 | 0.005 |
| Tritanopia (no blue cones) | #2C4145 | 0.034 |
| Achromatopsia (no color) | #3D3D3D | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #353D53
#353D53
oklch(36.2% 0.04 268.9)
- #463D25
#463D25
oklch(36.3% 0.04 89.7)
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 #353D53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.030
- Onyx #343A40 ΔE 0.033
- Charcoal #264653 ΔE 0.033
- Dark Blue Grey #1F3B4D ΔE 0.033
- Charcoal Grey #3C4142 ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.046
- Gunmetal #293241 ΔE 0.048
- Midnight Green #073B4C ΔE 0.052
Use #353D53 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.