#405F7F
Closest named color: YInMn Blue (#415A77). oklch(47.5% 0.064 250), rgb(64, 95, 127).
Aa
White text reads best on this color (6.64:1).
About this color
#405F7F is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.064 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.017 away. White text reads best on it, at 6.64:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.16:1 |
| White text | 6.64:1 |
Values
| HEX | #405F7F |
| RGB | rgb(64, 95, 127) |
| HSL | hsl(210, 33%, 37%) |
| OKLCH | oklch(47.5% 0.064 250) |
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 #405F7F | 6.64:1 | AA | Lc -87.8 | Fine for body text |
| Black text on #405F7F | 3.16:1 | AA large text | Lc 21.3 | Dividers and decoration only |
| #405F7F text on white | 6.64:1 | AA | Lc 82.7 | Fine for body text |
| #405F7F text on black | 3.16:1 | AA large text | Lc -19.2 | 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
#E5EAF0
oklch(93.5% 0.01 252.8)
-
Step 200
200
#D1DAE4
oklch(88.4% 0.017 250.9)
-
Step 300
300
#B2C3D4
oklch(81% 0.03 248.2)
-
Step 400
400
#8AA4BF
oklch(70.8% 0.049 249.5)
-
Step 500
500
#6C8DAF
oklch(63.1% 0.064 249.6)
-
Step 600
600
#54769A
oklch(55.5% 0.069 250.5)
-
Step 700
700 (this color)
#405F7F
oklch(47.5% 0.064 250)
-
Step 800
800
#38516B
oklch(42.6% 0.053 250.1)
-
Step 900
900
#314357
oklch(37.6% 0.041 251.6)
-
Step 950
950
#1D2833
oklch(27.2% 0.026 248.8)
#405F7F 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) | #526080 | 0.024 |
| Deuteranopia (no green cones) | #4A5A7E | 0.018 |
| Tritanopia (no blue cones) | #24666A | 0.054 |
| Achromatopsia (no color) | #5C5C5C | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405F7F
#405F7F
oklch(47.5% 0.064 250)
- #735633
#735633
oklch(47.5% 0.063 70.5)
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 #405F7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.017
- Denim #3B638C ΔE 0.021
- Light Navy Blue #2E5A88 ΔE 0.031
- Dusty Grape #545775 ΔE 0.034
- Dusky Blue #475F94 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.037
- Dusk #4E5481 ΔE 0.037
- Slate #516572 ΔE 0.039
Use #405F7F 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.