#355F6F
Closest named color: YInMn Blue (#415A77). oklch(46.2% 0.054 224.7), rgb(53, 95, 111).
Aa
White text reads best on this color (6.95:1).
About this color
#355F6F is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.054 and its hue 225°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.027 away. White text reads best on it, at 6.95:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.01:1 |
| White text | 6.95:1 |
Values
| HEX | #355F6F |
| RGB | rgb(53, 95, 111) |
| HSL | hsl(197, 35%, 32%) |
| OKLCH | oklch(46.2% 0.054 224.7) |
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 #355F6F | 6.95:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #355F6F | 3.01:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #355F6F text on white | 6.95:1 | AA | Lc 84.0 | Fine for body text |
| #355F6F text on black | 3.01:1 | AA large text | Lc -18.0 | Dividers and decoration only |
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 700.
-
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
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300
#B0C5CD
oklch(81% 0.026 222.7)
-
Step 400
400
#85A7B4
oklch(70.7% 0.042 223.2)
-
Step 500
500
#6691A2
oklch(63.2% 0.053 224.5)
-
Step 600
600
#4D7B8D
oklch(55.7% 0.057 224.8)
-
Step 700
700 (this color)
#355F6F
oklch(46.2% 0.054 224.7)
-
Step 800
800
#335461
oklch(42.6% 0.044 225)
-
Step 900
900
#2D464F
oklch(37.8% 0.034 222.5)
-
Step 950
950
#1B292F
oklch(27.1% 0.022 226.4)
#355F6F 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) | #565D70 | 0.042 |
| Deuteranopia (no green cones) | #4E576F | 0.037 |
| Tritanopia (no blue cones) | #156464 | 0.037 |
| Achromatopsia (no color) | #595959 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355F6F
#355F6F
oklch(46.2% 0.054 224.7)
- #724F3F
#724F3F
oklch(46.1% 0.054 45.5)
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 #355F6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.027
- Petrol #005F6A ΔE 0.034
- Slate #516572 ΔE 0.041
- Dark Aqua #05696B ΔE 0.042
- Dusty Grape #545775 ΔE 0.048
- Denim #3B638C ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.051
Use #355F6F 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.