#435C6C
Closest named color: YInMn Blue (#415A77). oklch(46.1% 0.04 236.8), rgb(67, 92, 108).
Aa
White text reads best on this color (7.03:1).
About this color
#435C6C is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.040 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.021 away. White text reads best on it, at 7.03:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #435C6C |
| RGB | rgb(67, 92, 108) |
| HSL | hsl(203, 23%, 34%) |
| OKLCH | oklch(46.1% 0.04 236.8) |
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 #435C6C | 7.03:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #435C6C | 2.98:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #435C6C text on white | 7.03:1 | AAA | Lc 84.3 | Fine for body text |
| #435C6C text on black | 2.98:1 | Fails | Lc -17.6 | 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
#E6EAED
oklch(93.5% 0.006 239.8)
-
Step 200
200
#D3DADF
oklch(88.4% 0.01 238.5)
-
Step 300
300
#B6C3CC
oklch(81% 0.019 237.8)
-
Step 400
400
#8FA4B2
oklch(70.7% 0.031 237.1)
-
Step 500
500
#738E9F
oklch(63.2% 0.04 235.9)
-
Step 600
600
#5C788A
oklch(55.8% 0.043 236.7)
-
Step 700
700 (this color)
#435C6C
oklch(46.1% 0.04 236.8)
-
Step 800
800
#3E525F
oklch(42.7% 0.033 237)
-
Step 900
900
#35444E
oklch(37.8% 0.026 237.6)
-
Step 950
950
#1F282D
oklch(27% 0.016 232.4)
#435C6C 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) | #555B6D | 0.025 |
| Deuteranopia (no green cones) | #4F576C | 0.021 |
| Tritanopia (no blue cones) | #356061 | 0.031 |
| Achromatopsia (no color) | #595959 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #435C6C
#435C6C
oklch(46.1% 0.04 236.8)
- #6A5343
#6A5343
oklch(46.1% 0.04 56.4)
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 #435C6C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.021
- Dusty Grape #545775 ΔE 0.034
- Slate #516572 ΔE 0.035
- Petrol #005F6A ΔE 0.049
- Dusk #4E5481 ΔE 0.050
- Denim #3B638C ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.052
- Dark Aqua #05696B ΔE 0.056
Use #435C6C 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.