#405E7F
Closest named color: YInMn Blue (#415A77). oklch(47.3% 0.064 251.6), rgb(64, 94, 127).
Aa
White text reads best on this color (6.71:1).
About this color
#405E7F is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.064 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.015 away. White text reads best on it, at 6.71:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.12:1 |
| White text | 6.71:1 |
Values
| HEX | #405E7F |
| RGB | rgb(64, 94, 127) |
| HSL | hsl(211, 33%, 37%) |
| OKLCH | oklch(47.3% 0.064 251.6) |
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 #405E7F | 6.71:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #405E7F | 3.12:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #405E7F text on white | 6.71:1 | AA | Lc 83.1 | Fine for body text |
| #405E7F text on black | 3.12:1 | AA large text | Lc -18.9 | 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
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D1DAE5
oklch(88.5% 0.018 253.4)
-
Step 300
300
#B2C2D5
oklch(80.8% 0.032 252.7)
-
Step 400
400
#8AA3BF
oklch(70.6% 0.05 251.4)
-
Step 500
500
#6D8CAF
oklch(63% 0.064 251.9)
-
Step 600
600
#55769B
oklch(55.6% 0.069 251.9)
-
Step 700
700 (this color)
#405E7F
oklch(47.3% 0.064 251.6)
-
Step 800
800
#39516C
oklch(42.7% 0.054 252)
-
Step 900
900
#314357
oklch(37.6% 0.041 251.6)
-
Step 950
950
#1D2733
oklch(26.9% 0.027 253.3)
#405E7F 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) | #515F80 | 0.023 |
| Deuteranopia (no green cones) | #49597E | 0.017 |
| Tritanopia (no blue cones) | #246569 | 0.056 |
| Achromatopsia (no color) | #5C5C5C | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405E7F
#405E7F
oklch(47.3% 0.064 251.6)
- #725531
#725531
oklch(47.1% 0.064 71.2)
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 #405E7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.015
- Denim #3B638C ΔE 0.023
- Light Navy Blue #2E5A88 ΔE 0.029
- Dusty Grape #545775 ΔE 0.032
- Dusk #4E5481 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.035
- Dusky Blue #475F94 ΔE 0.036
- Slate #516572 ΔE 0.041
Use #405E7F 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.