#41497F
Closest named color: Twilight (#4E518B). oklch(42.5% 0.09 275.5), rgb(65, 73, 127).
Aa
White text reads best on this color (8.45:1).
About this color
#41497F is a dark, moderately saturated blue. In OKLCH its lightness is 42%, its chroma 0.090 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.036 away. White text reads best on it, at 8.45:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.48:1 |
| White text | 8.45:1 |
Values
| HEX | #41497F |
| RGB | rgb(65, 73, 127) |
| HSL | hsl(232, 32%, 38%) |
| OKLCH | oklch(42.5% 0.09 275.5) |
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 #41497F | 8.45:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #41497F | 2.48:1 | Fails | Lc 15.0 | Not readable |
| #41497F text on white | 8.45:1 | AAA | Lc 89.0 | Fine for body text |
| #41497F text on black | 2.48:1 | Fails | Lc -13.2 | Not readable |
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 800.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D3D8ED
oklch(88.5% 0.029 275.1)
-
Step 300
300
#B7BFE3
oklch(81% 0.052 275.3)
-
Step 400
400
#919DD5
oklch(70.7% 0.083 274.7)
-
Step 500
500
#7783CA
oklch(63% 0.108 275.6)
-
Step 600
600
#616CB7
oklch(55.7% 0.117 275.6)
-
Step 700
700
#505A9D
oklch(49.1% 0.107 275.3)
-
Step 800
800 (this color)
#41497F
oklch(42.5% 0.09 275.5)
-
Step 900
900
#373E66
oklch(37.7% 0.069 275.1)
-
Step 950
950
#20243C
oklch(26.9% 0.045 275.7)
#41497F 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) | #345081 | 0.024 |
| Deuteranopia (no green cones) | #2F4B7E | 0.024 |
| Tritanopia (no blue cones) | #2A545E | 0.078 |
| Achromatopsia (no color) | #4D4D4D | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #41497F
#41497F
oklch(42.5% 0.09 275.5)
- #5D4D00
#5D4D00
oklch(42.4% 0.087 95.2)
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 #41497F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.036
- Dusk #4E5481 ΔE 0.039
- Dark Slate Blue #483D8B ΔE 0.041
- Dusk Blue #26538D ΔE 0.041
- Light Navy #155084 ΔE 0.046
- Blueberry #464196 ΔE 0.047
- Cobalt #1E488F ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.050
Use #41497F 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.