#41659D
Closest named color: Dusky Blue (#475F94). oklch(50.6% 0.099 258.9), rgb(65, 101, 157).
Aa
White text reads best on this color (5.87:1).
About this color
#41659D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.099 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.020 away. White text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.57:1 |
| White text | 5.87:1 |
Values
| HEX | #41659D |
| RGB | rgb(65, 101, 157) |
| HSL | hsl(217, 41%, 44%) |
| OKLCH | oklch(50.6% 0.099 258.9) |
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 #41659D | 5.87:1 | AA | Lc -84.5 | Fine for body text |
| Black text on #41659D | 3.57:1 | AA large text | Lc 24.8 | Dividers and decoration only |
| #41659D text on white | 5.87:1 | AA | Lc 79.2 | Fine for body text |
| #41659D text on black | 3.57:1 | AA large text | Lc -22.6 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF3
oklch(93.5% 0.014 258.3)
-
Step 200
200
#CFDAEB
oklch(88.5% 0.026 259)
-
Step 300
300
#AEC2E0
oklch(80.9% 0.048 258.4)
-
Step 400
400
#84A2D1
oklch(70.7% 0.077 259.2)
-
Step 500
500
#658AC5
oklch(63.1% 0.099 259.5)
-
Step 600
600
#4C73B1
oklch(55.5% 0.107 259.3)
-
Step 700
700 (this color)
#41659D
oklch(50.6% 0.099 258.9)
-
Step 800
800
#334F7B
oklch(42.7% 0.081 259.1)
-
Step 900
900
#2C4263
oklch(37.7% 0.063 258.3)
-
Step 950
950
#1A273A
oklch(27% 0.04 257.8)
#41659D 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) | #4E699F | 0.021 |
| Deuteranopia (no green cones) | #42619C | 0.011 |
| Tritanopia (no blue cones) | #007279 | 0.088 |
| Achromatopsia (no color) | #646464 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #41659D
#41659D
oklch(50.6% 0.099 258.9)
- #835D11
#835D11
oklch(50.6% 0.099 78.8)
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 #41659D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.020
- French Blue #436BAD ΔE 0.028
- Denim #3B638C ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.033
- Muted Blue #3B719F ΔE 0.034
- Mid Blue #276AB3 ΔE 0.039
- Flat Blue #3C73A8 ΔE 0.040
- Peacock Blue #016795 ΔE 0.043
Use #41659D 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.