#335163
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.9% 0.047 235.8), rgb(51, 81, 99).
Aa
White text reads best on this color (8.40:1).
About this color
#335163 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.047 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.034 away. White text reads best on it, at 8.40:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #335163 |
| RGB | rgb(51, 81, 99) |
| HSL | hsl(203, 32%, 29%) |
| OKLCH | oklch(41.9% 0.047 235.8) |
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 #335163 | 8.40:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #335163 | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #335163 text on white | 8.40:1 | AAA | Lc 88.9 | Fine for body text |
| #335163 text on black | 2.49:1 | Fails | Lc -13.3 | 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
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE2
oklch(88.5% 0.015 235.4)
-
Step 300
300
#B1C4D0
oklch(81% 0.027 235.4)
-
Step 400
400
#87A5B8
oklch(70.6% 0.043 236)
-
Step 500
500
#698FA7
oklch(63.1% 0.056 236.5)
-
Step 600
600
#4F7992
oklch(55.5% 0.061 235.5)
-
Step 700
700
#40667D
oklch(49.1% 0.057 236.2)
-
Step 800
800 (this color)
#335163
oklch(41.9% 0.047 235.8)
-
Step 900
900
#2E4552
oklch(37.7% 0.036 233.8)
-
Step 950
950
#1B2830
oklch(26.9% 0.023 235.8)
#335163 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) | #495064 | 0.030 |
| Deuteranopia (no green cones) | #424B63 | 0.026 |
| Tritanopia (no blue cones) | #1E5657 | 0.036 |
| Achromatopsia (no color) | #4D4D4D | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #335163
#335163
oklch(41.9% 0.047 235.8)
- #614634
#614634
oklch(41.9% 0.047 54.7)
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 #335163, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.039
- Deep Teal #00555A ΔE 0.042
- YInMn Blue #415A77 ΔE 0.045
- Charcoal #264653 ΔE 0.045
- Petrol #005F6A ΔE 0.048
- Dark Teal #014D4E ΔE 0.056
- Deep Sea Blue #015482 ΔE 0.057
Use #335163 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.