#333079
Closest named color: Dark Slate Blue (#483D8B). oklch(35.7% 0.121 280.2), rgb(51, 48, 121).
Aa
White text reads best on this color (11.41:1).
About this color
#333079 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.121 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.059 away. White text reads best on it, at 11.41:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.83:1 |
| White text | 11.41:1 |
Values
| HEX | #333079 |
| RGB | rgb(51, 48, 121) |
| HSL | hsl(242, 43%, 33%) |
| OKLCH | oklch(35.7% 0.121 280.2) |
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 #333079 | 11.41:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #333079 | 1.83:1 | Fails | Lc 7.9 | Not readable |
| #333079 text on white | 11.41:1 | AAA | Lc 96.0 | Preferred for body text |
| #333079 text on black | 1.83:1 | 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
#F4F5FE
oklch(97.2% 0.012 281.1)
-
Step 100
100
#E6E8FC
oklch(93.5% 0.027 281.3)
-
Step 200
200
#D2D6FB
oklch(88.5% 0.051 280.4)
-
Step 300
300
#B5BBFB
oklch(81% 0.09 280)
-
Step 400
400
#9094F8
oklch(70.6% 0.145 280.3)
-
Step 500
500
#7876F5
oklch(63.1% 0.185 280.4)
-
Step 600
600
#635BE4
oklch(55.7% 0.201 280.3)
-
Step 700
700
#5249C6
oklch(49% 0.187 280.2)
-
Step 800
800
#433DA0
oklch(42.7% 0.155 280.3)
-
Step 900
900 (this color)
#333079
oklch(35.7% 0.121 280.2)
-
Step 950
950
#20204A
oklch(26.9% 0.076 280)
#333079 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) | #003D7B | 0.053 |
| Deuteranopia (no green cones) | #003777 | 0.050 |
| Tritanopia (no blue cones) | #10414F | 0.104 |
| Achromatopsia (no color) | #3A3A3A | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #333079
#333079
oklch(35.7% 0.121 280.2)
- #463D00
#463D00
oklch(35.8% 0.074 99.9)
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 #333079, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.059
- Marine Blue #01386A ΔE 0.059
- Twilight Blue #0A437A ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.071
- Marine #042E60 ΔE 0.071
- Cobalt #1E488F ΔE 0.071
- Blueberry #464196 ΔE 0.073
- Midnight Blue #191970 ΔE 0.075
Use #333079 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.