#435A5D
Closest named color: YInMn Blue (#415A77). oklch(45% 0.028 206.1), rgb(67, 90, 93).
Aa
White text reads best on this color (7.34:1).
About this color
#435A5D is a dark close to neutral grey. In OKLCH its lightness is 45%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.043 away. White text reads best on it, at 7.34:1.
| Hue family | Neutrals |
| Lightness | dark (45%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.85:1 |
| White text | 7.34:1 |
Values
| HEX | #435A5D |
| RGB | rgb(67, 90, 93) |
| HSL | hsl(187, 16%, 31%) |
| OKLCH | oklch(45% 0.028 206.1) |
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 #435A5D | 7.34:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #435A5D | 2.85:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #435A5D text on white | 7.34:1 | AAA | Lc 85.5 | Fine for body text |
| #435A5D text on black | 2.85:1 | Fails | Lc -16.5 | 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 800.
-
Step 50
50
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D3DBDC
oklch(88.6% 0.009 205.9)
-
Step 300
300
#B5C4C6
oklch(80.9% 0.017 206.4)
-
Step 400
400
#8EA6A9
oklch(70.8% 0.027 205.8)
-
Step 500
500
#729094
oklch(63.2% 0.034 206.3)
-
Step 600
600
#5A7A7E
oklch(55.6% 0.037 205.7)
-
Step 700
700
#4A676A
oklch(49.2% 0.034 204.1)
-
Step 800
800 (this color)
#435A5D
oklch(45% 0.028 206.1)
-
Step 900
900
#344547
oklch(37.7% 0.022 205.2)
-
Step 950
950
#1F282A
oklch(26.9% 0.013 212.7)
#435A5D 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) | #56585D | 0.027 |
| Deuteranopia (no green cones) | #52545D | 0.027 |
| Tritanopia (no blue cones) | #3B5C5B | 0.013 |
| Achromatopsia (no color) | #565656 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #435A5D
#435A5D
oklch(45% 0.028 206.1)
- #64504D
#64504D
oklch(45.1% 0.027 28.1)
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 #435A5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.043
- Dark Green Blue #1F6357 ΔE 0.047
- Slate #516572 ΔE 0.048
- Dark Slate Gray #2F4F4F ΔE 0.048
- Petrol #005F6A ΔE 0.049
- Dusty Grape #545775 ΔE 0.052
- Dark Aqua #05696B ΔE 0.056
- Deep Teal #00555A ΔE 0.058
Use #435A5D 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.