#364256
Closest named color: Dark Grey Blue (#29465B). oklch(37.7% 0.038 260.5), rgb(54, 66, 86).
Aa
White text reads best on this color (10.14:1).
About this color
#364256 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.038 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.019 away. White text reads best on it, at 10.14:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.07:1 |
| White text | 10.14:1 |
Values
| HEX | #364256 |
| RGB | rgb(54, 66, 86) |
| HSL | hsl(218, 23%, 27%) |
| OKLCH | oklch(37.7% 0.038 260.5) |
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 #364256 | 10.14:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #364256 | 2.07:1 | Fails | Lc 10.4 | Not readable |
| #364256 text on white | 10.14:1 | AAA | Lc 93.5 | Preferred for body text |
| #364256 text on black | 2.07:1 | Fails | Lc -9.0 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D3D9E4
oklch(88.4% 0.016 262.7)
-
Step 300
300
#B6C1D3
oklch(80.8% 0.028 260.3)
-
Step 400
400
#91A2BE
oklch(70.9% 0.045 260.4)
-
Step 500
500
#758AAD
oklch(63% 0.058 260.5)
-
Step 600
600
#5E7499
oklch(55.6% 0.064 260.6)
-
Step 700
700
#4D6182
oklch(49% 0.059 260.2)
-
Step 800
800
#404F6A
oklch(42.6% 0.049 261.9)
-
Step 900
900 (this color)
#364256
oklch(37.7% 0.038 260.5)
-
Step 950
950
#202732
oklch(27.1% 0.023 259.3)
#364256 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) | #3B4357 | 0.009 |
| Deuteranopia (no green cones) | #384056 | 0.007 |
| Tritanopia (no blue cones) | #2C4649 | 0.033 |
| Achromatopsia (no color) | #414141 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #364256
#364256
oklch(37.7% 0.038 260.5)
- #4C402A
#4C402A
oklch(37.8% 0.038 82.2)
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 #364256, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.019
- Charcoal #264653 ΔE 0.025
- Charcoal Grey #3C4142 ΔE 0.034
- Onyx #343A40 ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.048
- Prussian Blue #1D3557 ΔE 0.058
- Dark Teal #014D4E ΔE 0.059
Use #364256 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.