#4528BF
Closest named color: Majorelle Blue (#3F37C9). oklch(42.7% 0.216 280.9), rgb(69, 40, 191).
Aa
White text reads best on this color (9.09:1).
About this color
#4528BF is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.216 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Majorelle Blue (#3F37C9), ΔE 0.031 away. White text reads best on it, at 9.09:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.216) |
| Temperature | cool |
| Nearest name | Majorelle Blue (#3F37C9) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #4528BF |
| RGB | rgb(69, 40, 191) |
| HSL | hsl(252, 65%, 45%) |
| OKLCH | oklch(42.7% 0.216 280.9) |
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 #4528BF | 9.09:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #4528BF | 2.30:1 | Fails | Lc 14.2 | Not readable |
| #4528BF text on white | 9.09:1 | AAA | Lc 89.8 | Fine for body text |
| #4528BF text on black | 2.30:1 | Fails | Lc -12.5 | 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
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D2D6FF
oklch(88.6% 0.057 280.8)
-
Step 300
300
#B5BAFF
oklch(81% 0.097 280.8)
-
Step 400
400
#9092FF
oklch(70.6% 0.157 280.8)
-
Step 500
500
#7872FF
oklch(63.1% 0.203 280.8)
-
Step 600
600
#644BFF
oklch(55.6% 0.251 280.7)
-
Step 700
700
#552BED
oklch(49.1% 0.262 280.7)
-
Step 800
800 (this color)
#4528BF
oklch(42.7% 0.216 280.9)
-
Step 900
900
#382996
oklch(37.6% 0.168 280.8)
-
Step 950
950
#201A58
oklch(26.9% 0.107 280.8)
#4528BF 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) | #004DC3 | 0.083 |
| Deuteranopia (no green cones) | #0043BC | 0.071 |
| Tritanopia (no blue cones) | #005674 | 0.175 |
| Achromatopsia (no color) | #484848 | 0.218 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4528BF
#4528BF
oklch(42.7% 0.216 280.9)
- #5A5000
#5A5000
oklch(42.8% 0.089 101.1)
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 #4528BF, closest first.
No curated palette has a color within ΔE 0.04 of #4528BF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Majorelle Blue #3F37C9 ΔE 0.031
- Violet Blue #510AC9 ΔE 0.033
- Indigo Blue #3A18B1 ΔE 0.040
- Blue With A Hint Of Purple #533CC6 ΔE 0.047
- Blurple #5539CC ΔE 0.048
- Purple Blue #5D21D0 ΔE 0.049
- Imperial Purple #480CA8 ΔE 0.053
- Chrysanthemum #560BAD ΔE 0.055
Use #4528BF 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.