#3331C1
Closest named color: Majorelle Blue (#3F37C9). oklch(42.8% 0.214 273.2), rgb(51, 49, 193).
Aa
White text reads best on this color (8.93:1).
About this color
#3331C1 is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.214 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Majorelle Blue (#3F37C9), ΔE 0.026 away. White text reads best on it, at 8.93:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.214) |
| Temperature | cool |
| Nearest name | Majorelle Blue (#3F37C9) |
| Black text | 2.35:1 |
| White text | 8.93:1 |
Values
| HEX | #3331C1 |
| RGB | rgb(51, 49, 193) |
| HSL | hsl(241, 60%, 47%) |
| OKLCH | oklch(42.8% 0.214 273.2) |
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 #3331C1 | 8.93:1 | AAA | Lc -94.0 | Preferred for body text |
| Black text on #3331C1 | 2.35:1 | Fails | Lc 14.5 | Not readable |
| #3331C1 text on white | 8.93:1 | AAA | Lc 89.5 | Fine for body text |
| #3331C1 text on black | 2.35:1 | Fails | Lc -12.8 | 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 800.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FF
oklch(93.6% 0.03 273.6)
-
Step 200
200
#CDD7FF
oklch(88.4% 0.056 274.2)
-
Step 300
300
#ACBDFF
oklch(80.9% 0.095 273)
-
Step 400
400
#8297FF
oklch(70.6% 0.154 273.2)
-
Step 500
500
#6679FF
oklch(63.1% 0.198 273.3)
-
Step 600
600
#4E55FF
oklch(55.6% 0.246 273.3)
-
Step 700
700
#3F37EF
oklch(49.1% 0.259 273.2)
-
Step 800
800 (this color)
#3331C1
oklch(42.8% 0.214 273.2)
-
Step 900
900
#2A2F98
oklch(37.7% 0.167 273)
-
Step 950
950
#181D59
oklch(27% 0.106 273.2)
#3331C1 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) | #0050C5 | 0.066 |
| Deuteranopia (no green cones) | #0042BE | 0.043 |
| Tritanopia (no blue cones) | #005B77 | 0.167 |
| Achromatopsia (no color) | #494949 | 0.216 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3331C1
#3331C1
oklch(42.8% 0.214 273.2)
- #604D00
#604D00
oklch(42.7% 0.087 92.5)
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 #3331C1, closest first.
No curated palette has a color within ΔE 0.04 of #3331C1.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Majorelle Blue #3F37C9 ΔE 0.026
- Blue Blue #2242C7 ΔE 0.035
- Sapphire #2138AB ΔE 0.041
- Indigo Blue #3A18B1 ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.057
- Violet Blue #510AC9 ΔE 0.058
- Blurple #5539CC ΔE 0.060
- Ultramarine Blue #1805DB ΔE 0.068
Use #3331C1 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.