#436391
Closest named color: Denim (#3B638C). oklch(49.6% 0.083 257.5), rgb(67, 99, 145).
Aa
White text reads best on this color (6.11:1).
About this color
#436391 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.083 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.013 away. White text reads best on it, at 6.11:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #436391 |
| RGB | rgb(67, 99, 145) |
| HSL | hsl(215, 37%, 42%) |
| OKLCH | oklch(49.6% 0.083 257.5) |
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 #436391 | 6.11:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #436391 | 3.43:1 | AA large text | Lc 23.6 | Dividers and decoration only |
| #436391 text on white | 6.11:1 | AA | Lc 80.4 | Fine for body text |
| #436391 text on black | 3.43:1 | AA large text | Lc -21.4 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE8
oklch(88.5% 0.022 256.7)
-
Step 300
300
#B1C2DB
oklch(80.9% 0.04 257.9)
-
Step 400
400
#88A2C9
oklch(70.7% 0.064 258.3)
-
Step 500
500
#6A8BBB
oklch(63.1% 0.082 257.7)
-
Step 600
600
#5174A7
oklch(55.5% 0.089 257.7)
-
Step 700
700 (this color)
#436391
oklch(49.6% 0.083 257.5)
-
Step 800
800
#365074
oklch(42.7% 0.068 256.7)
-
Step 900
900
#2F425E
oklch(37.6% 0.054 257.9)
-
Step 950
950
#1C2737
oklch(27% 0.034 257.7)
#436391 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) | #516693 | 0.021 |
| Deuteranopia (no green cones) | #475E90 | 0.014 |
| Tritanopia (no blue cones) | #1A6D73 | 0.074 |
| Achromatopsia (no color) | #626262 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #436391
#436391
oklch(49.6% 0.083 257.5)
- #7C5B25
#7C5B25
oklch(49.5% 0.083 76.9)
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 #436391, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.013
- Dusky Blue #475F94 ΔE 0.014
- Denim Blue #3B5B92 ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.039
- Peacock Blue #016795 ΔE 0.041
- Muted Blue #3B719F ΔE 0.041
- YInMn Blue #415A77 ΔE 0.045
- Dusk #4E5481 ΔE 0.045
Use #436391 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.