#36405F
Closest named color: Dark Grey Blue (#29465B). oklch(37.7% 0.055 269.9), rgb(54, 64, 95).
Aa
White text reads best on this color (10.21:1).
About this color
#36405F is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.055 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.027 away. White text reads best on it, at 10.21:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.05:1 |
| White text | 10.21:1 |
Values
| HEX | #36405F |
| RGB | rgb(54, 64, 95) |
| HSL | hsl(225, 28%, 29%) |
| OKLCH | oklch(37.7% 0.055 269.9) |
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 #36405F | 10.21:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #36405F | 2.05:1 | Fails | Lc 10.2 | Not readable |
| #36405F text on white | 10.21:1 | AAA | Lc 93.7 | Preferred for body text |
| #36405F text on black | 2.05:1 | Fails | Lc -8.8 | Not readable |
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 900.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B6C0DC
oklch(80.9% 0.041 269.9)
-
Step 400
400
#909FCB
oklch(70.7% 0.067 270)
-
Step 500
500
#7587BD
oklch(63.1% 0.084 269.7)
-
Step 600
600
#5E70A9
oklch(55.5% 0.092 269.9)
-
Step 700
700
#4E5E91
oklch(49.2% 0.084 269.9)
-
Step 800
800
#404D76
oklch(42.8% 0.07 269.9)
-
Step 900
900 (this color)
#36405F
oklch(37.7% 0.055 269.9)
-
Step 950
950
#202638
oklch(27.1% 0.035 269.8)
#36405F 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) | #354360 | 0.009 |
| Deuteranopia (no green cones) | #323F5E | 0.007 |
| Tritanopia (no blue cones) | #29464B | 0.049 |
| Achromatopsia (no color) | #414141 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36405F
#36405F
oklch(37.7% 0.055 269.9)
- #4D401D
#4D401D
oklch(37.7% 0.054 89.3)
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 #36405F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.027
- Charcoal #264653 ΔE 0.038
- Dark Blue Grey #1F3B4D ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.053
- Onyx #343A40 ΔE 0.053
- Twilight Blue #0A437A ΔE 0.058
- Dark Slate Gray #2F4F4F ΔE 0.063
Use #36405F 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.