#41529B
Closest named color: Twilight (#4E518B). oklch(46.3% 0.12 271.2), rgb(65, 82, 155).
Aa
White text reads best on this color (7.22:1).
About this color
#41529B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.120 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.031 away. White text reads best on it, at 7.22:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.90:1 |
| White text | 7.22:1 |
Values
| HEX | #41529B |
| RGB | rgb(65, 82, 155) |
| HSL | hsl(229, 41%, 43%) |
| OKLCH | oklch(46.3% 0.12 271.2) |
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 #41529B | 7.22:1 | AAA | Lc -89.8 | Fine for body text |
| Black text on #41529B | 2.90:1 | Fails | Lc 19.1 | Dividers and decoration only |
| #41529B text on white | 7.22:1 | AAA | Lc 84.9 | Fine for body text |
| #41529B text on black | 2.90:1 | Fails | Lc -17.1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D8EF
oklch(88.4% 0.033 272.2)
-
Step 300
300
#B3BFE7
oklch(80.9% 0.058 272)
-
Step 400
400
#8B9DDB
oklch(70.6% 0.093 271.4)
-
Step 500
500
#6F84D1
oklch(63% 0.119 271.1)
-
Step 600
600
#586DBE
oklch(55.7% 0.128 270.8)
-
Step 700
700 (this color)
#41529B
oklch(46.3% 0.12 271.2)
-
Step 800
800
#3B4A85
oklch(42.7% 0.099 270.9)
-
Step 900
900
#333E6A
oklch(37.6% 0.077 271.7)
-
Step 950
950
#1E253E
oklch(27.1% 0.048 271.1)
#41529B 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) | #305B9E | 0.028 |
| Deuteranopia (no green cones) | #245399 | 0.031 |
| Tritanopia (no blue cones) | #04626F | 0.106 |
| Achromatopsia (no color) | #575757 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #41529B
#41529B
oklch(46.3% 0.12 271.2)
- #6C5600
#6C5600
oklch(46.2% 0.095 91.5)
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 #41529B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.031
- Denim Blue #3B5B92 ΔE 0.032
- Dusk Blue #26538D ΔE 0.039
- Dusky Blue #475F94 ΔE 0.042
- Blueberry #464196 ΔE 0.044
- Light Navy Blue #2E5A88 ΔE 0.047
- Dusk #4E5481 ΔE 0.047
- Cobalt #1E488F ΔE 0.054
Use #41529B 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.