#5B4CAC
Closest named color: Iris (#6258C4). oklch(48.3% 0.148 286.7), rgb(91, 76, 172).
Aa
White text reads best on this color (6.83:1).
About this color
#5B4CAC is a medium-dark, vivid purple. In OKLCH its lightness is 48%, its chroma 0.148 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.048 away. White text reads best on it, at 6.83:1.
| Hue family | Purples |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.07:1 |
| White text | 6.83:1 |
Values
| HEX | #5B4CAC |
| RGB | rgb(91, 76, 172) |
| HSL | hsl(249, 39%, 49%) |
| OKLCH | oklch(48.3% 0.148 286.7) |
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 #5B4CAC | 6.83:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #5B4CAC | 3.07:1 | AA large text | Lc 20.7 | Dividers and decoration only |
| #5B4CAC text on white | 6.83:1 | AA | Lc 83.3 | Fine for body text |
| #5B4CAC text on black | 3.07:1 | AA large text | Lc -18.6 | 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
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F3
oklch(88.5% 0.04 285.6)
-
Step 300
300
#BCBAED
oklch(80.8% 0.072 286.5)
-
Step 400
400
#9B95E4
oklch(70.6% 0.114 286.6)
-
Step 500
500
#8479DC
oklch(63% 0.145 286.5)
-
Step 600
600
#6F60CA
oklch(55.6% 0.158 286.5)
-
Step 700
700 (this color)
#5B4CAC
oklch(48.3% 0.148 286.7)
-
Step 800
800
#4C418D
oklch(42.7% 0.121 286.7)
-
Step 900
900
#3F3871
oklch(37.8% 0.095 286.6)
-
Step 950
950
#252142
oklch(27% 0.06 287.2)
#5B4CAC 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) | #155DAF | 0.079 |
| Deuteranopia (no green cones) | #1358AA | 0.079 |
| Tritanopia (no blue cones) | #406174 | 0.124 |
| Achromatopsia (no color) | #5B5B5B | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4CAC
#5B4CAC
oklch(48.3% 0.148 286.7)
- #666100
#666100
oklch(48.2% 0.103 106.2)
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 #5B4CAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.048
- Bluey Purple #6241C7 ΔE 0.050
- Blueberry #464196 ΔE 0.057
- Blue With A Hint Of Purple #533CC6 ΔE 0.057
- Twilight #4E518B ΔE 0.060
- Rebecca Purple #663399 ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.065
- Blurple #5539CC ΔE 0.066
Use #5B4CAC 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.