#436388
Closest named color: Denim (#3B638C). oklch(49.1% 0.071 252.8), rgb(67, 99, 136).
Aa
White text reads best on this color (6.21:1).
About this color
#436388 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.071 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.011 away. White text reads best on it, at 6.21:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.37:1 |
| White text | 6.21:1 |
Values
| HEX | #436388 |
| RGB | rgb(67, 99, 136) |
| HSL | hsl(212, 34%, 40%) |
| OKLCH | oklch(49.1% 0.071 252.8) |
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 #436388 | 6.21:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #436388 | 3.37:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #436388 text on white | 6.21:1 | AA | Lc 80.9 | Fine for body text |
| #436388 text on black | 3.37:1 | AA large text | Lc -21.0 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D1DAE6
oklch(88.5% 0.019 255.5)
-
Step 300
300
#B1C2D7
oklch(80.8% 0.035 253.7)
-
Step 400
400
#89A3C2
oklch(70.7% 0.054 253)
-
Step 500
500
#6B8CB3
oklch(63% 0.07 253)
-
Step 600
600
#53769F
oklch(55.6% 0.076 253)
-
Step 700
700 (this color)
#436388
oklch(49.1% 0.071 252.8)
-
Step 800
800
#37516E
oklch(42.7% 0.058 251.9)
-
Step 900
900
#304359
oklch(37.7% 0.045 252.6)
-
Step 950
950
#1C2734
oklch(26.9% 0.029 253)
#436388 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) | #54658A | 0.024 |
| Deuteranopia (no green cones) | #4C5E87 | 0.017 |
| Tritanopia (no blue cones) | #236B70 | 0.061 |
| Achromatopsia (no color) | #616161 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #436388
#436388
oklch(49.1% 0.071 252.8)
- #795A31
#795A31
oklch(49.1% 0.07 72.6)
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 #436388, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.011
- Dusky Blue #475F94 ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.034
- YInMn Blue #415A77 ΔE 0.034
- Light Navy Blue #2E5A88 ΔE 0.038
- Slate #516572 ΔE 0.041
- Dusty Grape #545775 ΔE 0.043
- Dusk #4E5481 ΔE 0.043
Use #436388 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.