#333061
Closest named color: Prussian Blue (#1D3557). oklch(33.9% 0.084 283.7), rgb(51, 48, 97).
Aa
White text reads best on this color (12.09:1).
About this color
#333061 is a dark, moderately saturated purple. In OKLCH its lightness is 34%, its chroma 0.084 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.040 away. White text reads best on it, at 12.09:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.73:1 |
| White text | 12.09:1 |
Values
| HEX | #333061 |
| RGB | rgb(51, 48, 97) |
| HSL | hsl(244, 34%, 28%) |
| OKLCH | oklch(33.9% 0.084 283.7) |
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 #333061 | 12.09:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #333061 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #333061 text on white | 12.09:1 | AAA | Lc 97.5 | Preferred for body text |
| #333061 text on black | 1.73:1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F6
oklch(93.7% 0.018 282.5)
-
Step 200
200
#D6D7F0
oklch(88.6% 0.034 283.9)
-
Step 300
300
#BBBCE9
oklch(81% 0.063 283.9)
-
Step 400
400
#9898DE
oklch(70.7% 0.102 283.5)
-
Step 500
500
#807DD4
oklch(63% 0.129 283.6)
-
Step 600
600
#6B65C1
oklch(55.6% 0.139 283.9)
-
Step 700
700
#5953A7
oklch(49.1% 0.131 283.7)
-
Step 800
800
#494487
oklch(42.6% 0.108 284.2)
-
Step 900
900 (this color)
#333061
oklch(33.9% 0.084 283.7)
-
Step 950
950
#23223F
oklch(26.9% 0.053 283.8)
#333061 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) | #1C3863 | 0.036 |
| Deuteranopia (no green cones) | #1A3460 | 0.035 |
| Tritanopia (no blue cones) | #243A43 | 0.073 |
| Achromatopsia (no color) | #363636 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #333061
#333061
oklch(33.9% 0.084 283.7)
- #3E3900
#3E3900
oklch(33.9% 0.072 104.1)
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 #333061, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.040
- Marine Blue #01386A ΔE 0.053
- Marine #042E60 ΔE 0.056
- Space Cadet #2B2D42 ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.061
- Gunmetal #293241 ΔE 0.062
- Twilight Blue #0A437A ΔE 0.071
- Dark Grey Blue #29465B ΔE 0.072
Use #333061 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.