#435B6E
Closest named color: YInMn Blue (#415A77). oklch(45.9% 0.043 242.7), rgb(67, 91, 110).
Aa
White text reads best on this color (7.09:1).
About this color
#435B6E is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.043 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.016 away. White text reads best on it, at 7.09:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.96:1 |
| White text | 7.09:1 |
Values
| HEX | #435B6E |
| RGB | rgb(67, 91, 110) |
| HSL | hsl(207, 24%, 35%) |
| OKLCH | oklch(45.9% 0.043 242.7) |
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 #435B6E | 7.09:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #435B6E | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #435B6E text on white | 7.09:1 | AAA | Lc 84.6 | Fine for body text |
| #435B6E text on black | 2.96:1 | Fails | Lc -17.4 | 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
#D3DAE0
oklch(88.5% 0.011 243.7)
-
Step 300
300
#B6C3CD
oklch(81% 0.02 240.8)
-
Step 400
400
#8FA4B4
oklch(70.8% 0.033 240.9)
-
Step 500
500
#748DA1
oklch(63.1% 0.042 242.5)
-
Step 600
600
#5C778C
oklch(55.6% 0.045 242)
-
Step 700
700 (this color)
#435B6E
oklch(45.9% 0.043 242.7)
-
Step 800
800
#3E5261
oklch(42.8% 0.035 241)
-
Step 900
900
#35444F
oklch(37.8% 0.027 240.2)
-
Step 950
950
#1F282E
oklch(27.1% 0.017 237.4)
#435B6E 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) | #535B6F | 0.022 |
| Deuteranopia (no green cones) | #4D566E | 0.019 |
| Tritanopia (no blue cones) | #346061 | 0.036 |
| Achromatopsia (no color) | #585858 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #435B6E
#435B6E
oklch(45.9% 0.043 242.7)
- #69533F
#69533F
oklch(45.9% 0.042 63.7)
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 #435B6E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.016
- Dusty Grape #545775 ΔE 0.030
- Slate #516572 ΔE 0.038
- Dusk #4E5481 ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.048
- Denim #3B638C ΔE 0.048
- Petrol #005F6A ΔE 0.050
- Dark Aqua #05696B ΔE 0.060
Use #435B6E 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.