#41556B
Closest named color: YInMn Blue (#415A77). oklch(44.2% 0.044 251.2), rgb(65, 85, 107).
Aa
White text reads best on this color (7.67:1).
About this color
#41556B is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.044 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.022 away. White text reads best on it, at 7.67:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.044) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.73:1 |
| White text | 7.67:1 |
Values
| HEX | #41556B |
| RGB | rgb(65, 85, 107) |
| HSL | hsl(211, 24%, 34%) |
| OKLCH | oklch(44.2% 0.044 251.2) |
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 #41556B | 7.67:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #41556B | 2.73:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #41556B text on white | 7.67:1 | AAA | Lc 86.6 | Fine for body text |
| #41556B text on black | 2.73:1 | Fails | Lc -15.5 | 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 800.
-
Step 50
50
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAEF
oklch(93.5% 0.008 253.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B5C2D1
oklch(80.9% 0.026 251.9)
-
Step 400
400
#8EA3BA
oklch(70.7% 0.041 250.8)
-
Step 500
500
#728CA9
oklch(63.1% 0.053 251.4)
-
Step 600
600
#5A7694
oklch(55.6% 0.057 250.6)
-
Step 700
700
#4A637E
oklch(49.1% 0.053 250.8)
-
Step 800
800 (this color)
#41556B
oklch(44.2% 0.044 251.2)
-
Step 900
900
#344354
oklch(37.7% 0.035 251.9)
-
Step 950
950
#1F2731
oklch(27% 0.022 254.2)
#41556B 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) | #4D566C | 0.018 |
| Deuteranopia (no green cones) | #48516B | 0.015 |
| Tritanopia (no blue cones) | #335A5C | 0.038 |
| Achromatopsia (no color) | #535353 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #41556B
#41556B
oklch(44.2% 0.044 251.2)
- #634F38
#634F38
oklch(44.2% 0.044 70.2)
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 #41556B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.022
- Dusty Grape #545775 ΔE 0.034
- Dusk #4E5481 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.049
- Petrol #005F6A ΔE 0.053
- Dark Slate Gray #2F4F4F ΔE 0.055
- Slate #516572 ΔE 0.055
- Denim #3B638C ΔE 0.059
Use #41556B 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.