#33345E
Closest named color: Prussian Blue (#1D3557). oklch(34.6% 0.073 280.9), rgb(51, 52, 94).
Aa
White text reads best on this color (11.70:1).
About this color
#33345E is a dark, moderately saturated purple. In OKLCH its lightness is 35%, its chroma 0.073 and its hue 281°. 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 11.70:1.
| Hue family | Purples |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.79:1 |
| White text | 11.70:1 |
Values
| HEX | #33345E |
| RGB | rgb(51, 52, 94) |
| HSL | hsl(239, 30%, 28%) |
| OKLCH | oklch(34.6% 0.073 280.9) |
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 #33345E | 11.70:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #33345E | 1.79:1 | Fails | Lc 0.0 | Not readable |
| #33345E text on white | 11.70:1 | AAA | Lc 96.8 | Preferred for body text |
| #33345E text on black | 1.79:1 | 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
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D5D7ED
oklch(88.4% 0.03 281.6)
-
Step 300
300
#BABDE4
oklch(80.9% 0.055 281.6)
-
Step 400
400
#969BD6
oklch(70.8% 0.086 280.2)
-
Step 500
500
#7E81CB
oklch(63.2% 0.111 281)
-
Step 600
600
#6769B8
oklch(55.6% 0.121 280.6)
-
Step 700
700
#56579E
oklch(49% 0.112 280.8)
-
Step 800
800
#464880
oklch(42.7% 0.092 280.2)
-
Step 900
900 (this color)
#33345E
oklch(34.6% 0.073 280.9)
-
Step 950
950
#22243C
oklch(27.1% 0.045 279.3)
#33345E 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) | #253A60 | 0.025 |
| Deuteranopia (no green cones) | #22375D | 0.025 |
| Tritanopia (no blue cones) | #253C44 | 0.063 |
| Achromatopsia (no color) | #383838 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #33345E
#33345E
oklch(34.6% 0.073 280.9)
- #423A00
#423A00
oklch(34.6% 0.072 100.7)
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 #33345E, 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 0.050
- Marine Blue #01386A ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.053
- Gunmetal #293241 ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.058
- Marine #042E60 ΔE 0.059
- Onyx #343A40 ΔE 0.062
Use #33345E 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.