#33385C
Closest named color: Prussian Blue (#1D3557). oklch(35.4% 0.063 276.7), rgb(51, 56, 92).
Aa
White text reads best on this color (11.28:1).
About this color
#33385C is a dark, muted blue. In OKLCH its lightness is 35%, its chroma 0.063 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.034 away. White text reads best on it, at 11.28:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.86:1 |
| White text | 11.28:1 |
Values
| HEX | #33385C |
| RGB | rgb(51, 56, 92) |
| HSL | hsl(233, 29%, 28%) |
| OKLCH | oklch(35.4% 0.063 276.7) |
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 #33385C | 11.28:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #33385C | 1.86:1 | Fails | Lc 7.9 | Not readable |
| #33385C text on white | 11.28:1 | AAA | Lc 96.0 | Preferred for body text |
| #33385C text on black | 1.86:1 | Fails | Lc 0.0 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B8BFE0
oklch(81% 0.047 275.9)
-
Step 400
400
#949DD0
oklch(70.8% 0.075 276.5)
-
Step 500
500
#7A84C4
oklch(63.1% 0.097 276.5)
-
Step 600
600
#646DB0
oklch(55.7% 0.104 276.6)
-
Step 700
700
#535B97
oklch(49.2% 0.096 276.5)
-
Step 800
800
#444A7B
oklch(42.7% 0.081 277.1)
-
Step 900
900 (this color)
#33385C
oklch(35.4% 0.063 276.7)
-
Step 950
950
#21253A
oklch(27.1% 0.04 275.2)
#33385C 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) | #2C3C5D | 0.015 |
| Deuteranopia (no green cones) | #29395B | 0.015 |
| Tritanopia (no blue cones) | #263F45 | 0.056 |
| Achromatopsia (no color) | #3B3B3B | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33385C
#33385C
oklch(35.4% 0.063 276.7)
- #453B0E
#453B0E
oklch(35.3% 0.063 96.3)
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 #33385C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.046
- Gunmetal #293241 ΔE 0.052
- Onyx #343A40 ΔE 0.052
- Charcoal #264653 ΔE 0.053
- Marine Blue #01386A ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.055
Use #33385C 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.