#43618B
Closest named color: Denim (#3B638C). oklch(48.8% 0.077 256.9), rgb(67, 97, 139).
Aa
White text reads best on this color (6.32:1).
About this color
#43618B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.077 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.010 away. White text reads best on it, at 6.32:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.32:1 |
| White text | 6.32:1 |
Values
| HEX | #43618B |
| RGB | rgb(67, 97, 139) |
| HSL | hsl(215, 35%, 40%) |
| OKLCH | oklch(48.8% 0.077 256.9) |
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 #43618B | 6.32:1 | AA | Lc -86.5 | Fine for body text |
| Black text on #43618B | 3.32:1 | AA large text | Lc 22.7 | Dividers and decoration only |
| #43618B text on white | 6.32:1 | AA | Lc 81.4 | Fine for body text |
| #43618B text on black | 3.32:1 | AA large text | Lc -20.5 | 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
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300
#B2C2D9
oklch(80.9% 0.037 257.4)
-
Step 400
400
#89A2C6
oklch(70.6% 0.06 257.5)
-
Step 500
500
#6C8BB7
oklch(63% 0.076 257.2)
-
Step 600
600
#5375A3
oklch(55.6% 0.082 256.2)
-
Step 700
700 (this color)
#43618B
oklch(48.8% 0.077 256.9)
-
Step 800
800
#385072
oklch(42.7% 0.064 257.1)
-
Step 900
900
#30425C
oklch(37.6% 0.051 257.5)
-
Step 950
950
#1D2736
oklch(27% 0.031 258.3)
#43618B 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) | #51638D | 0.020 |
| Deuteranopia (no green cones) | #485D8A | 0.012 |
| Tritanopia (no blue cones) | #216A70 | 0.067 |
| Achromatopsia (no color) | #606060 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43618B
#43618B
oklch(48.8% 0.077 256.9)
- #785A29
#785A29
oklch(48.8% 0.077 77.5)
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 #43618B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.010
- Dusky Blue #475F94 ΔE 0.018
- Denim Blue #3B5B92 ΔE 0.026
- Light Navy Blue #2E5A88 ΔE 0.033
- YInMn Blue #415A77 ΔE 0.035
- Dusk #4E5481 ΔE 0.038
- Dusty Grape #545775 ΔE 0.043
- Peacock Blue #016795 ΔE 0.043
Use #43618B 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.