#436381
Closest named color: Denim (#3B638C). oklch(48.8% 0.061 247.6), rgb(67, 99, 129).
Aa
White text reads best on this color (6.28:1).
About this color
#436381 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.061 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.019 away. White text reads best on it, at 6.28:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #436381 |
| RGB | rgb(67, 99, 129) |
| HSL | hsl(209, 32%, 38%) |
| OKLCH | oklch(48.8% 0.061 247.6) |
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 #436381 | 6.28:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #436381 | 3.34:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #436381 text on white | 6.28:1 | AA | Lc 81.2 | Fine for body text |
| #436381 text on black | 3.34:1 | AA large text | Lc -20.6 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EAEF
oklch(93.5% 0.009 247.9)
-
Step 200
200
#D1DAE4
oklch(88.4% 0.017 250.9)
-
Step 300
300
#B2C3D3
oklch(80.9% 0.029 246.5)
-
Step 400
400
#8AA4BD
oklch(70.8% 0.047 247.5)
-
Step 500
500
#6C8DAD
oklch(63.1% 0.061 248)
-
Step 600
600
#547798
oklch(55.6% 0.065 247.6)
-
Step 700
700 (this color)
#436381
oklch(48.8% 0.061 247.6)
-
Step 800
800
#38526A
oklch(42.8% 0.051 247.1)
-
Step 900
900
#314456
oklch(37.8% 0.039 247.5)
-
Step 950
950
#1D2832
oklch(27.1% 0.024 246.3)
#436381 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) | #576482 | 0.027 |
| Deuteranopia (no green cones) | #4F5D80 | 0.022 |
| Tritanopia (no blue cones) | #286A6D | 0.052 |
| Achromatopsia (no color) | #606060 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #436381
#436381
oklch(48.8% 0.061 247.6)
- #775939
#775939
oklch(48.7% 0.061 67.4)
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 #436381, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.019
- YInMn Blue #415A77 ΔE 0.029
- Slate #516572 ΔE 0.031
- Dusky Blue #475F94 ΔE 0.037
- Dusty Grape #545775 ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.042
- Dusk #4E5481 ΔE 0.045
Use #436381 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.