#406A89
Closest named color: Denim (#3B638C). oklch(50.7% 0.068 241.8), rgb(64, 106, 137).
Aa
White text reads best on this color (5.76:1).
About this color
#406A89 is a medium-dark, muted blue. In OKLCH its lightness is 51%, its chroma 0.068 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.024 away. White text reads best on it, at 5.76:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.64:1 |
| White text | 5.76:1 |
Values
| HEX | #406A89 |
| RGB | rgb(64, 106, 137) |
| HSL | hsl(205, 36%, 39%) |
| OKLCH | oklch(50.7% 0.068 241.8) |
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 #406A89 | 5.76:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #406A89 | 3.64:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #406A89 text on white | 5.76:1 | AA | Lc 78.7 | Fine for body text |
| #406A89 text on black | 3.64:1 | AA large text | Lc -23.0 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300
#AFC4D5
oklch(81% 0.033 242.4)
-
Step 400
400
#84A5BF
oklch(70.6% 0.053 242.2)
-
Step 500
500
#648FAF
oklch(63.1% 0.068 241.3)
-
Step 600
600
#4B799B
oklch(55.7% 0.073 241.8)
-
Step 700
700 (this color)
#406A89
oklch(50.7% 0.068 241.8)
-
Step 800
800
#32536B
oklch(42.7% 0.056 241.3)
-
Step 900
900
#2C4557
oklch(37.8% 0.044 240.7)
-
Step 950
950
#1A2833
oklch(26.9% 0.028 242.7)
#406A89 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) | #5D6A8A | 0.036 |
| Deuteranopia (no green cones) | #536288 | 0.031 |
| Tritanopia (no blue cones) | #177274 | 0.057 |
| Achromatopsia (no color) | #666666 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #406A89
#406A89
oklch(50.7% 0.068 241.8)
- #815C3B
#815C3B
oklch(50.6% 0.068 62.1)
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 #406A89, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.024
- Metallic Blue #4F738E ΔE 0.034
- Muted Blue #3B719F ΔE 0.036
- Slate #516572 ΔE 0.038
- Sea Blue #047495 ΔE 0.041
- Dusky Blue #475F94 ΔE 0.041
- Dull Blue #49759C ΔE 0.042
- Ocean Blue #03719C ΔE 0.042
Use #406A89 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.