#5B50B8
Closest named color: Iris (#6258C4). oklch(49.8% 0.158 283.8), rgb(91, 80, 184).
Aa
White text reads best on this color (6.39:1).
About this color
#5B50B8 is a medium-dark, vivid purple. In OKLCH its lightness is 50%, its chroma 0.158 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.029 away. White text reads best on it, at 6.39:1.
| Hue family | Purples |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.28:1 |
| White text | 6.39:1 |
Values
| HEX | #5B50B8 |
| RGB | rgb(91, 80, 184) |
| HSL | hsl(246, 42%, 52%) |
| OKLCH | oklch(49.8% 0.158 283.8) |
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 #5B50B8 | 6.39:1 | AA | Lc -86.6 | Fine for body text |
| Black text on #5B50B8 | 3.28:1 | AA large text | Lc 22.6 | Dividers and decoration only |
| #5B50B8 text on white | 6.39:1 | AA | Lc 81.5 | Fine for body text |
| #5B50B8 text on black | 3.28:1 | AA large text | Lc -20.4 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D5D6F5
oklch(88.5% 0.042 284)
-
Step 300
300
#BABBF1
oklch(81% 0.076 283.7)
-
Step 400
400
#9795EA
oklch(70.6% 0.123 283.9)
-
Step 500
500
#8079E4
oklch(63.2% 0.157 283.9)
-
Step 600
600
#6A5FD2
oklch(55.6% 0.171 283.7)
-
Step 700
700 (this color)
#5B50B8
oklch(49.8% 0.158 283.8)
-
Step 800
800
#494093
oklch(42.7% 0.132 284.2)
-
Step 900
900
#3C3775
oklch(37.6% 0.103 283.9)
-
Step 950
950
#232145
oklch(27% 0.065 283.6)
#5B50B8 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) | #0762BC | 0.080 |
| Deuteranopia (no green cones) | #005CB6 | 0.080 |
| Tritanopia (no blue cones) | #38687C | 0.135 |
| Achromatopsia (no color) | #5F5F5F | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B50B8
#5B50B8
oklch(49.8% 0.158 283.8)
- #6D6500
#6D6500
oklch(49.8% 0.105 104.1)
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 #5B50B8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.029
- Bluey Purple #6241C7 ΔE 0.041
- Slate Blue #6A5ACD ΔE 0.047
- Light Indigo #6D5ACF ΔE 0.052
- Blue With A Hint Of Purple #533CC6 ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.055
- Warm Blue #4B57DB ΔE 0.059
- Blurple #5539CC ΔE 0.060
Use #5B50B8 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.