#4F33EA
Closest named color: Purpley Blue (#5F34E7). oklch(49.1% 0.253 278.5), rgb(79, 51, 234).
Aa
White text reads best on this color (7.01:1).
About this color
#4F33EA is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.253 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Purpley Blue (#5F34E7), ΔE 0.028 away. White text reads best on it, at 7.01:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.253) |
| Temperature | cool |
| Nearest name | Purpley Blue (#5F34E7) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #4F33EA |
| RGB | rgb(79, 51, 234) |
| HSL | hsl(249, 81%, 56%) |
| OKLCH | oklch(49.1% 0.253 278.5) |
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 #4F33EA | 7.01:1 | AAA | Lc -88.1 | Fine for body text |
| Black text on #4F33EA | 2.99:1 | Fails | Lc 21.0 | Dividers and decoration only |
| #4F33EA text on white | 7.01:1 | AAA | Lc 83.0 | Fine for body text |
| #4F33EA text on black | 2.99:1 | Fails | Lc -18.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F5FF
oklch(97.2% 0.013 277.1)
-
Step 100
100
#E5E8FF
oklch(93.6% 0.031 279.9)
-
Step 200
200
#D0D6FF
oklch(88.5% 0.057 278.6)
-
Step 300
300
#B2BBFF
oklch(81% 0.097 278.2)
-
Step 400
400
#8C94FF
oklch(70.7% 0.155 278.4)
-
Step 500
500
#7374FF
oklch(63.1% 0.202 278.6)
-
Step 600
600
#5E4EFF
oklch(55.6% 0.25 278.5)
-
Step 700
700 (this color)
#4F33EA
oklch(49.1% 0.253 278.5)
-
Step 800
800
#402DBD
oklch(42.7% 0.21 278.6)
-
Step 900
900
#342C95
oklch(37.6% 0.164 278.4)
-
Step 950
950
#1E1C57
oklch(27.1% 0.103 278.5)
#4F33EA 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) | #0060EF | 0.092 |
| Deuteranopia (no green cones) | #0051E7 | 0.073 |
| Tritanopia (no blue cones) | #006B8F | 0.201 |
| Achromatopsia (no color) | #595959 | 0.255 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F33EA
#4F33EA
oklch(49.1% 0.253 278.5)
- #706100
#706100
oklch(49.2% 0.102 98.7)
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 #4F33EA, closest first.
No curated palette has a color within ΔE 0.04 of #4F33EA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purpley Blue #5F34E7 ΔE 0.028
- Blue Purple #5A06EF ΔE 0.037
- Purply Blue #661AEE ΔE 0.044
- Light Royal Blue #3A2EFE ΔE 0.044
- Burple #6832E3 ΔE 0.045
- Blurple #5539CC ΔE 0.049
- Purple Blue #5D21D0 ΔE 0.055
- Majorelle Blue #3F37C9 ΔE 0.056
Use #4F33EA 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.