#6B56B6
Closest named color: Iris (#6258C4). oklch(52.2% 0.146 290.5), rgb(107, 86, 182).
Aa
White text reads best on this color (5.78:1).
About this color
#6B56B6 is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.146 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.026 away. White text reads best on it, at 5.78:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.63:1 |
| White text | 5.78:1 |
Values
| HEX | #6B56B6 |
| RGB | rgb(107, 86, 182) |
| HSL | hsl(253, 40%, 53%) |
| OKLCH | oklch(52.2% 0.146 290.5) |
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 #6B56B6 | 5.78:1 | AA | Lc -83.9 | Fine for body text |
| Black text on #6B56B6 | 3.63:1 | AA large text | Lc 25.4 | Dividers and decoration only |
| #6B56B6 text on white | 5.78:1 | AA | Lc 78.7 | Fine for body text |
| #6B56B6 text on black | 3.63:1 | AA large text | Lc -23.1 | 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
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F7
oklch(93.6% 0.02 289.1)
-
Step 200
200
#D8D5F2
oklch(88.4% 0.04 290.3)
-
Step 300
300
#C0B9EC
oklch(80.9% 0.072 291)
-
Step 400
400
#A094E2
oklch(70.7% 0.113 290.3)
-
Step 500
500
#8A77DA
oklch(63.1% 0.146 290.4)
-
Step 600
600
#755EC7
oklch(55.6% 0.157 290.4)
-
Step 700
700 (this color)
#6B56B6
oklch(52.2% 0.146 290.5)
-
Step 800
800
#50408B
oklch(42.7% 0.12 290.2)
-
Step 900
900
#42376F
oklch(37.7% 0.093 290.2)
-
Step 950
950
#272041
oklch(26.9% 0.06 291.6)
#6B56B6 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) | #2B67B9 | 0.083 |
| Deuteranopia (no green cones) | #2E63B4 | 0.080 |
| Tritanopia (no blue cones) | #566A7E | 0.119 |
| Achromatopsia (no color) | #666666 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B56B6
#6B56B6
oklch(52.2% 0.146 290.5)
- #6D6F00
#6D6F00
oklch(52.2% 0.115 111)
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 #6B56B6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.026
- Slate Blue #6A5ACD ΔE 0.036
- Light Indigo #6D5ACF ΔE 0.039
- Dark Periwinkle #665FD1 ΔE 0.045
- Bluey Purple #6241C7 ΔE 0.059
- Deep Lavender #8D5EB7 ΔE 0.063
- Warm Blue #4B57DB ΔE 0.074
- French Blue #436BAD ΔE 0.076
Use #6B56B6 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.