#36406B
Closest named color: Dark Grey Blue (#29465B). oklch(38.4% 0.074 272.5), rgb(54, 64, 107).
Aa
White text reads best on this color (9.98:1).
About this color
#36406B is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.074 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.041 away. White text reads best on it, at 9.98:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.10:1 |
| White text | 9.98:1 |
Values
| HEX | #36406B |
| RGB | rgb(54, 64, 107) |
| HSL | hsl(229, 33%, 32%) |
| OKLCH | oklch(38.4% 0.074 272.5) |
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 #36406B | 9.98:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #36406B | 2.10:1 | Fails | Lc 10.8 | Not readable |
| #36406B text on white | 9.98:1 | AAA | Lc 93.1 | Preferred for body text |
| #36406B text on black | 2.10:1 | Fails | Lc -9.4 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D2D8EE
oklch(88.4% 0.031 273.6)
-
Step 300
300
#B4BFE6
oklch(80.9% 0.056 272.7)
-
Step 400
400
#8D9DD9
oklch(70.6% 0.09 272.4)
-
Step 500
500
#7284CE
oklch(63.1% 0.114 272.4)
-
Step 600
600
#5B6CBB
oklch(55.5% 0.124 272.6)
-
Step 700
700
#4B5AA2
oklch(49.1% 0.116 272.6)
-
Step 800
800
#3E4A83
oklch(42.7% 0.095 272.8)
-
Step 900
900 (this color)
#36406B
oklch(38.4% 0.074 272.5)
-
Step 950
950
#1F253D
oklch(27.1% 0.046 272.4)
#36406B 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) | #30456D | 0.016 |
| Deuteranopia (no green cones) | #2B406A | 0.015 |
| Tritanopia (no blue cones) | #224950 | 0.067 |
| Achromatopsia (no color) | #424242 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #36406B
#36406B
oklch(38.4% 0.074 272.5)
- #514207
#514207
oklch(38.4% 0.075 93.2)
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 #36406B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.041
- Twilight Blue #0A437A ΔE 0.046
- Charcoal #264653 ΔE 0.055
- Prussian Blue #1D3557 ΔE 0.060
- Light Navy #155084 ΔE 0.060
- Marine Blue #01386A ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.063
- Dark Blue Grey #1F3B4D ΔE 0.063
Use #36406B 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.