#355F70
Closest named color: YInMn Blue (#415A77). oklch(46.2% 0.054 226.2), rgb(53, 95, 112).
Aa
White text reads best on this color (6.94:1).
About this color
#355F70 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.054 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.026 away. White text reads best on it, at 6.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.02:1 |
| White text | 6.94:1 |
Values
| HEX | #355F70 |
| RGB | rgb(53, 95, 112) |
| HSL | hsl(197, 36%, 32%) |
| OKLCH | oklch(46.2% 0.054 226.2) |
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 #355F70 | 6.94:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #355F70 | 3.02:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #355F70 text on white | 6.94:1 | AA | Lc 83.9 | Fine for body text |
| #355F70 text on black | 3.02:1 | 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
#D0DBE1
oklch(88.5% 0.015 231.2)
-
Step 300
300
#B0C5CE
oklch(81% 0.026 225.4)
-
Step 400
400
#85A7B5
oklch(70.8% 0.042 224.9)
-
Step 500
500
#6691A3
oklch(63.2% 0.054 225.9)
-
Step 600
600
#4C7B8E
oklch(55.7% 0.059 225.7)
-
Step 700
700 (this color)
#355F70
oklch(46.2% 0.054 226.2)
-
Step 800
800
#335462
oklch(42.6% 0.045 226.8)
-
Step 900
900
#2D4650
oklch(37.8% 0.035 225)
-
Step 950
950
#1B292F
oklch(27.1% 0.022 226.4)
#355F70 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) | #565D71 | 0.042 |
| Deuteranopia (no green cones) | #4D5770 | 0.036 |
| Tritanopia (no blue cones) | #146464 | 0.038 |
| Achromatopsia (no color) | #5A5A5A | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #355F70
#355F70
oklch(46.2% 0.054 226.2)
- #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 #355F70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.026
- Petrol #005F6A ΔE 0.035
- Slate #516572 ΔE 0.041
- Dark Aqua #05696B ΔE 0.043
- Denim #3B638C ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.047
- Dusty Grape #545775 ΔE 0.047
- Dark Green Blue #1F6357 ΔE 0.053
Use #355F70 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.