#435A64
Closest named color: YInMn Blue (#415A77). oklch(45.3% 0.032 226.5), rgb(67, 90, 100).
Aa
White text reads best on this color (7.27:1).
About this color
#435A64 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 45%, its chroma 0.032 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.032 away. White text reads best on it, at 7.27:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.88:1 |
| White text | 7.27:1 |
Values
| HEX | #435A64 |
| RGB | rgb(67, 90, 100) |
| HSL | hsl(198, 20%, 33%) |
| OKLCH | oklch(45.3% 0.032 226.5) |
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 #435A64 | 7.27:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #435A64 | 2.88:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #435A64 text on white | 7.27:1 | AAA | Lc 85.3 | Fine for body text |
| #435A64 text on black | 2.88:1 | Fails | Lc -16.8 | 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 800.
-
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
#D2DBDE
oklch(88.5% 0.011 219.6)
-
Step 300
300
#B5C3CA
oklch(80.9% 0.018 229.1)
-
Step 400
400
#8EA5AF
oklch(70.8% 0.03 225.9)
-
Step 500
500
#718F9C
oklch(63.2% 0.039 226.2)
-
Step 600
600
#597986
oklch(55.6% 0.042 224.9)
-
Step 700
700
#496672
oklch(49.2% 0.039 225.5)
-
Step 800
800 (this color)
#435A64
oklch(45.3% 0.032 226.5)
-
Step 900
900
#34454C
oklch(37.9% 0.025 225)
-
Step 950
950
#1E282C
oklch(26.9% 0.016 224.2)
#435A64 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) | #555965 | 0.026 |
| Deuteranopia (no green cones) | #505564 | 0.023 |
| Tritanopia (no blue cones) | #385D5D | 0.022 |
| Achromatopsia (no color) | #575757 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #435A64
#435A64
oklch(45.3% 0.032 226.5)
- #665147
#665147
oklch(45.4% 0.032 46.8)
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 #435A64, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.032
- Dusty Grape #545775 ΔE 0.042
- Slate #516572 ΔE 0.043
- Petrol #005F6A ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.054
- Dark Aqua #05696B ΔE 0.057
- Dusk #4E5481 ΔE 0.059
Use #435A64 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.