#5F42B8
Closest named color: Bluey Purple (#6241C7). oklch(47.9% 0.177 289.3), rgb(95, 66, 184).
Aa
White text reads best on this color (7.09:1).
About this color
#5F42B8 is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.177 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Bluey Purple (#6241C7), ΔE 0.024 away. White text reads best on it, at 7.09:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Bluey Purple (#6241C7) |
| Black text | 2.95:1 |
| White text | 7.09:1 |
Values
| HEX | #5F42B8 |
| RGB | rgb(95, 66, 184) |
| HSL | hsl(255, 47%, 49%) |
| OKLCH | oklch(47.9% 0.177 289.3) |
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 #5F42B8 | 7.09:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #5F42B8 | 2.95:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #5F42B8 text on white | 7.09:1 | AAA | Lc 84.1 | Fine for body text |
| #5F42B8 text on black | 2.95:1 | Fails | Lc -17.8 | 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
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E9E8FA
oklch(93.7% 0.024 288.5)
-
Step 200
200
#D8D5F7
oklch(88.6% 0.047 289.5)
-
Step 300
300
#BEB8F5
oklch(80.9% 0.086 288.8)
-
Step 400
400
#9F91F0
oklch(70.8% 0.137 289.2)
-
Step 500
500
#8972EB
oklch(63.1% 0.175 289.1)
-
Step 600
600
#7557D9
oklch(55.7% 0.19 289.4)
-
Step 700
700 (this color)
#5F42B8
oklch(47.9% 0.177 289.3)
-
Step 800
800
#503A98
oklch(42.6% 0.147 289.5)
-
Step 900
900
#423379
oklch(37.7% 0.115 289.6)
-
Step 950
950
#261F47
oklch(27% 0.072 288.7)
#5F42B8 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) | #005BBC | 0.098 |
| Deuteranopia (no green cones) | #0055B6 | 0.096 |
| Tritanopia (no blue cones) | #425E77 | 0.143 |
| Achromatopsia (no color) | #585858 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F42B8
#5F42B8
oklch(47.9% 0.177 289.3)
- #626100
#626100
oklch(47.8% 0.104 109.1)
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 #5F42B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Purple #6241C7 ΔE 0.024
- Blue With A Hint Of Purple #533CC6 ΔE 0.034
- Blurple #5539CC ΔE 0.041
- Iris #6258C4 ΔE 0.053
- Rebecca Purple #663399 ΔE 0.059
- Purple Blue #5D21D0 ΔE 0.063
- Majorelle Blue #3F37C9 ΔE 0.065
- Slate Blue #6A5ACD ΔE 0.066
Use #5F42B8 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.