#333153
Closest named color: Prussian Blue (#1D3557). oklch(33.2% 0.059 285.4), rgb(51, 49, 83).
Aa
White text reads best on this color (12.31:1).
About this color
#333153 is a dark, muted purple. In OKLCH its lightness is 33%, its chroma 0.059 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.032 away. White text reads best on it, at 12.31:1.
| Hue family | Purples |
| Lightness | dark (33%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.70:1 |
| White text | 12.31:1 |
Values
| HEX | #333153 |
| RGB | rgb(51, 49, 83) |
| HSL | hsl(244, 26%, 26%) |
| OKLCH | oklch(33.2% 0.059 285.4) |
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 #333153 | 12.31:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #333153 | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #333153 text on white | 12.31:1 | AAA | Lc 98.0 | Preferred for body text |
| #333153 text on black | 1.70:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D7D7E9
oklch(88.5% 0.025 285.9)
-
Step 300
300
#BDBDDD
oklch(80.9% 0.045 285.4)
-
Step 400
400
#9C9BCC
oklch(70.8% 0.071 285.4)
-
Step 500
500
#8481BE
oklch(63% 0.091 285.7)
-
Step 600
600
#6E6AAB
oklch(55.6% 0.1 285.5)
-
Step 700
700
#5C5892
oklch(49% 0.092 285.6)
-
Step 800
800
#4B4877
oklch(42.6% 0.077 285.6)
-
Step 900
900 (this color)
#333153
oklch(33.2% 0.059 285.4)
-
Step 950
950
#252438
oklch(27.1% 0.037 286)
#333153 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) | #263654 | 0.024 |
| Deuteranopia (no green cones) | #253452 | 0.023 |
| Tritanopia (no blue cones) | #2B373E | 0.049 |
| Achromatopsia (no color) | #353535 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #333153
#333153
oklch(33.2% 0.059 285.4)
- #3A370E
#3A370E
oklch(33% 0.059 105.1)
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 #333153, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.032
- Space Cadet #2B2D42 ΔE 0.035
- Gunmetal #293241 ΔE 0.038
- Dark Blue Grey #1F3B4D ΔE 0.044
- Onyx #343A40 ΔE 0.051
- Midnight Green #073B4C ΔE 0.059
- Marine #042E60 ΔE 0.061
- Marine Blue #01386A ΔE 0.062
Use #333153 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.