#435E77
Closest named color: YInMn Blue (#415A77). oklch(47.1% 0.052 247.1), rgb(67, 94, 119).
Aa
White text reads best on this color (6.76:1).
About this color
#435E77 is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.052 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.013 away. White text reads best on it, at 6.76:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.10:1 |
| White text | 6.76:1 |
Values
| HEX | #435E77 |
| RGB | rgb(67, 94, 119) |
| HSL | hsl(209, 28%, 36%) |
| OKLCH | oklch(47.1% 0.052 247.1) |
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 #435E77 | 6.76:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #435E77 | 3.10:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #435E77 text on white | 6.76:1 | AA | Lc 83.3 | Fine for body text |
| #435E77 text on black | 3.10:1 | AA large text | Lc -18.7 | 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B4C3D0
oklch(81% 0.025 244.2)
-
Step 400
400
#8DA3B9
oklch(70.6% 0.041 248.4)
-
Step 500
500
#718DA7
oklch(63.1% 0.051 246.7)
-
Step 600
600
#597793
oklch(55.7% 0.056 247.1)
-
Step 700
700 (this color)
#435E77
oklch(47.1% 0.052 247.1)
-
Step 800
800
#3C5166
oklch(42.6% 0.044 248.9)
-
Step 900
900
#334353
oklch(37.6% 0.034 248.8)
-
Step 950
950
#1E2830
oklch(27.1% 0.02 242.7)
#435E77 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) | #545E78 | 0.023 |
| Deuteranopia (no green cones) | #4D5977 | 0.019 |
| Tritanopia (no blue cones) | #2F6466 | 0.045 |
| Achromatopsia (no color) | #5B5B5B | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #435E77
#435E77
oklch(47.1% 0.052 247.1)
- #6F563B
#6F563B
oklch(47.2% 0.052 68.2)
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 #435E77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.013
- Dusty Grape #545775 ΔE 0.029
- Slate #516572 ΔE 0.032
- Denim #3B638C ΔE 0.034
- Dusk #4E5481 ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.040
- Dusky Blue #475F94 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.048
Use #435E77 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.