#435F6C
Closest named color: YInMn Blue (#415A77). oklch(46.8% 0.039 228.4), rgb(67, 95, 108).
Aa
White text reads best on this color (6.79:1).
About this color
#435F6C is a medium-dark, muted teal or cyan. In OKLCH its lightness is 47%, its chroma 0.039 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.028 away. White text reads best on it, at 6.79:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.09:1 |
| White text | 6.79:1 |
Values
| HEX | #435F6C |
| RGB | rgb(67, 95, 108) |
| HSL | hsl(199, 23%, 34%) |
| OKLCH | oklch(46.8% 0.039 228.4) |
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 #435F6C | 6.79:1 | AA | Lc -88.4 | Fine for body text |
| Black text on #435F6C | 3.09:1 | AA large text | Lc 20.6 | Dividers and decoration only |
| #435F6C text on white | 6.79:1 | AA | Lc 83.4 | Fine for body text |
| #435F6C text on black | 3.09:1 | AA large text | Lc -18.5 | 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EBED
oklch(93.7% 0.006 223.5)
-
Step 200
200
#D2DBDF
oklch(88.6% 0.011 226)
-
Step 300
300
#B5C3CA
oklch(80.9% 0.018 229.1)
-
Step 400
400
#8EA5B0
oklch(70.8% 0.03 228.3)
-
Step 500
500
#718F9C
oklch(63.2% 0.039 226.2)
-
Step 600
600
#597987
oklch(55.7% 0.043 226.7)
-
Step 700
700 (this color)
#435F6C
oklch(46.8% 0.039 228.4)
-
Step 800
800
#3C535D
oklch(42.7% 0.033 226.6)
-
Step 900
900
#34444C
oklch(37.6% 0.025 229.8)
-
Step 950
950
#1E282D
oklch(27% 0.017 229.8)
#435F6C 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) | #585E6D | 0.029 |
| Deuteranopia (no green cones) | #52596C | 0.026 |
| Tritanopia (no blue cones) | #346363 | 0.028 |
| Achromatopsia (no color) | #5B5B5B | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #435F6C
#435F6C
oklch(46.8% 0.039 228.4)
- #6D5447
#6D5447
oklch(46.8% 0.039 48.8)
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 #435F6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.028
- Slate #516572 ΔE 0.028
- Dusty Grape #545775 ΔE 0.039
- Petrol #005F6A ΔE 0.048
- Dark Aqua #05696B ΔE 0.050
- Denim #3B638C ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.056
- Dusk #4E5481 ΔE 0.057
Use #435F6C 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.