#405E75
Closest named color: YInMn Blue (#415A77). oklch(46.8% 0.052 242.2), rgb(64, 94, 117).
Aa
White text reads best on this color (6.82:1).
About this color
#405E75 is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.052 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.014 away. White text reads best on it, at 6.82:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 3.07:1 |
| White text | 6.82:1 |
Values
| HEX | #405E75 |
| RGB | rgb(64, 94, 117) |
| HSL | hsl(206, 29%, 35%) |
| OKLCH | oklch(46.8% 0.052 242.2) |
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 #405E75 | 6.82:1 | AA | Lc -88.5 | Fine for body text |
| Black text on #405E75 | 3.07:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #405E75 text on white | 6.82:1 | AA | Lc 83.5 | Fine for body text |
| #405E75 text on black | 3.07:1 | AA large text | Lc -18.4 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE2
oklch(88.5% 0.014 248)
-
Step 300
300
#B3C3D0
oklch(80.9% 0.025 242.4)
-
Step 400
400
#8BA4B8
oklch(70.6% 0.041 242.4)
-
Step 500
500
#6F8EA6
oklch(63.2% 0.05 241.8)
-
Step 600
600
#567891
oklch(55.7% 0.055 240.8)
-
Step 700
700 (this color)
#405E75
oklch(46.8% 0.052 242.2)
-
Step 800
800
#3A5265
oklch(42.7% 0.043 242.8)
-
Step 900
900
#324452
oklch(37.7% 0.033 242.1)
-
Step 950
950
#1D2830
oklch(27% 0.021 240.1)
#405E75 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) | #545E76 | 0.027 |
| Deuteranopia (no green cones) | #4D5875 | 0.024 |
| Tritanopia (no blue cones) | #2B6466 | 0.042 |
| Achromatopsia (no color) | #5B5B5B | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #405E75
#405E75
oklch(46.8% 0.052 242.2)
- #6F543C
#6F543C
oklch(46.8% 0.051 62.7)
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 #405E75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.014
- Dusty Grape #545775 ΔE 0.033
- Slate #516572 ΔE 0.034
- Denim #3B638C ΔE 0.037
- Light Navy Blue #2E5A88 ΔE 0.041
- Dusk #4E5481 ΔE 0.044
- Petrol #005F6A ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.051
Use #405E75 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.