#5B4FA8
Closest named color: Iris (#6258C4). oklch(48.5% 0.138 286.2), rgb(91, 79, 168).
Aa
White text reads best on this color (6.71:1).
About this color
#5B4FA8 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 49%, its chroma 0.138 and its hue 286°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.049 away. White text reads best on it, at 6.71:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.12:1 |
| White text | 6.71:1 |
Values
| HEX | #5B4FA8 |
| RGB | rgb(91, 79, 168) |
| HSL | hsl(248, 36%, 48%) |
| OKLCH | oklch(48.5% 0.138 286.2) |
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 #5B4FA8 | 6.71:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #5B4FA8 | 3.12:1 | AA large text | Lc 21.2 | Dividers and decoration only |
| #5B4FA8 text on white | 6.71:1 | AA | Lc 82.9 | Fine for body text |
| #5B4FA8 text on black | 3.12:1 | AA large text | Lc -19.0 | 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
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F7
oklch(93.5% 0.02 286)
-
Step 200
200
#D6D6F1
oklch(88.4% 0.037 285.6)
-
Step 300
300
#BCBBEA
oklch(80.9% 0.066 285.8)
-
Step 400
400
#9B96E0
oklch(70.6% 0.107 286.4)
-
Step 500
500
#847BD7
oklch(63.1% 0.136 286.3)
-
Step 600
600
#6E62C5
oklch(55.6% 0.149 286)
-
Step 700
700 (this color)
#5B4FA8
oklch(48.5% 0.138 286.2)
-
Step 800
800
#4B438A
oklch(42.8% 0.114 285.7)
-
Step 900
900
#3F396E
oklch(37.8% 0.088 286.5)
-
Step 950
950
#242240
oklch(27% 0.055 285.1)
#5B4FA8 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) | #245EAB | 0.070 |
| Deuteranopia (no green cones) | #2359A6 | 0.069 |
| Tritanopia (no blue cones) | #436274 | 0.115 |
| Achromatopsia (no color) | #5C5C5C | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4FA8
#5B4FA8
oklch(48.5% 0.138 286.2)
- #676200
#676200
oklch(48.5% 0.104 106.2)
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 #5B4FA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.049
- Twilight #4E518B ΔE 0.053
- Blueberry #464196 ΔE 0.058
- Bluey Purple #6241C7 ΔE 0.060
- Dusky Blue #475F94 ΔE 0.063
- Denim Blue #3B5B92 ΔE 0.066
- Rebecca Purple #663399 ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.067
Use #5B4FA8 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.