#5F5BB6
Closest named color: Iris (#6258C4). oklch(52.1% 0.14 282.4), rgb(95, 91, 182).
Aa
White text reads best on this color (5.74:1).
About this color
#5F5BB6 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 52%, its chroma 0.140 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.024 away. White text reads best on it, at 5.74:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.65:1 |
| White text | 5.74:1 |
Values
| HEX | #5F5BB6 |
| RGB | rgb(95, 91, 182) |
| HSL | hsl(243, 38%, 54%) |
| OKLCH | oklch(52.1% 0.14 282.4) |
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 #5F5BB6 | 5.74:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #5F5BB6 | 3.65:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #5F5BB6 text on white | 5.74:1 | AA | Lc 78.5 | Fine for body text |
| #5F5BB6 text on black | 3.65:1 | AA large text | Lc -23.3 | 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
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D5D7F2
oklch(88.6% 0.037 282.2)
-
Step 300
300
#B9BCEC
oklch(80.9% 0.068 282)
-
Step 400
400
#9698E2
oklch(70.7% 0.108 282.1)
-
Step 500
500
#7E7DDA
oklch(63.2% 0.138 282.2)
-
Step 600
600
#6864C7
oklch(55.6% 0.149 282.2)
-
Step 700
700 (this color)
#5F5BB6
oklch(52.1% 0.14 282.4)
-
Step 800
800
#47448C
oklch(42.8% 0.116 282.2)
-
Step 900
900
#3B3A70
oklch(37.8% 0.09 282)
-
Step 950
950
#232241
oklch(27% 0.057 283.4)
#5F5BB6 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) | #3269B9 | 0.059 |
| Deuteranopia (no green cones) | #2C63B4 | 0.060 |
| Tritanopia (no blue cones) | #406F80 | 0.121 |
| Achromatopsia (no color) | #666666 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5F5BB6
#5F5BB6
oklch(52.1% 0.14 282.4)
- #766B00
#766B00
oklch(52.2% 0.109 102.4)
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 #5F5BB6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.024
- Slate Blue #6A5ACD ΔE 0.040
- Dark Periwinkle #665FD1 ΔE 0.044
- Light Indigo #6D5ACF ΔE 0.045
- French Blue #436BAD ΔE 0.056
- Warm Blue #4B57DB ΔE 0.065
- Bluey Purple #6241C7 ΔE 0.066
- Dusky Blue #475F94 ΔE 0.067
Use #5F5BB6 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.