#35515F
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.9% 0.041 230.7), rgb(53, 81, 95).
Aa
White text reads best on this color (8.42:1).
About this color
#35515F is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.041 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.028 away. White text reads best on it, at 8.42:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.49:1 |
| White text | 8.42:1 |
Values
| HEX | #35515F |
| RGB | rgb(53, 81, 95) |
| HSL | hsl(200, 28%, 29%) |
| OKLCH | oklch(41.9% 0.041 230.7) |
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 #35515F | 8.42:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #35515F | 2.49:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #35515F text on white | 8.42:1 | AAA | Lc 89.0 | Fine for body text |
| #35515F text on black | 2.49:1 | Fails | Lc -13.2 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D1DBE0
oklch(88.5% 0.013 228.9)
-
Step 300
300
#B2C4CD
oklch(80.9% 0.023 229.2)
-
Step 400
400
#89A5B4
oklch(70.6% 0.038 231.4)
-
Step 500
500
#6B8FA2
oklch(63% 0.049 231.5)
-
Step 600
600
#52798D
oklch(55.5% 0.054 231.3)
-
Step 700
700
#436678
oklch(49.1% 0.049 231.5)
-
Step 800
800 (this color)
#35515F
oklch(41.9% 0.041 230.7)
-
Step 900
900
#304550
oklch(37.7% 0.032 231.5)
-
Step 950
950
#1C282F
oklch(26.9% 0.021 234.2)
#35515F 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) | #4A5060 | 0.029 |
| Deuteranopia (no green cones) | #444B5F | 0.026 |
| Tritanopia (no blue cones) | #245555 | 0.031 |
| Achromatopsia (no color) | #4D4D4D | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #35515F
#35515F
oklch(41.9% 0.041 230.7)
- #5F4638
#5F4638
oklch(41.7% 0.041 50.5)
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 #35515F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.028
- Dark Grey Blue #29465B ΔE 0.040
- Deep Teal #00555A ΔE 0.040
- Charcoal #264653 ΔE 0.043
- YInMn Blue #415A77 ΔE 0.048
- Petrol #005F6A ΔE 0.049
- Dark Teal #014D4E ΔE 0.054
- Dark Blue Green #005249 ΔE 0.058
Use #35515F 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.